{"id":13356,"date":"2026-08-10T08:55:27","date_gmt":"2026-08-10T08:55:27","guid":{"rendered":"https:\/\/miningspareparts.com\/en\/product\/18564932-step-bearing-set-kubria-f210-cone-crusher\/"},"modified":"2026-08-10T11:21:15","modified_gmt":"2026-08-10T11:21:15","slug":"18564932-step-bearing-set-kubria-f210","status":"publish","type":"product","link":"https:\/\/miningspareparts.com\/en\/product\/18564932-step-bearing-set-kubria-f210\/","title":{"rendered":"18564932 Step Bearing Set For Kubria F210 Cone Crusher"},"content":{"rendered":"<p><span style=\"font-size: 1.7em;font-weight: bold\">\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u00a0<\/span><\/p>\n<div style=\"max-width: 1080px;margin: 0 auto;padding: 10px 20px;font-family: -apple-system,BlinkMacSystemFont,&#039;Segoe UI&#039;,Roboto,Arial,sans-serif;color: #1d1d1f;line-height: 1.65\">\n<p>The <strong>Step Bearing Set (Part 18564932)<\/strong> is the complete upper thrust bearing assembly engineered for the <strong>ThyssenKrupp Kubria F210 Cone Crusher<\/strong>. The set includes the step bearing, retainer, dust seal, and mounting hardware required to restore main shaft support and axial positioning during the crushing cycle \u2014 a direct-fit replacement for OEM part 18564932.<\/p>\n<div style=\"display: grid;grid-template-columns: repeat(auto-fit,minmax(220px,1fr));gap: 16px;margin: 24px 0\">\n<div style=\"background: #f7f8fa;border: 1px solid #e5e7eb;border-radius: 10px;padding: 16px 18px;font-size: 14px;line-height: 1.55\"><span style=\"display: inline-block;width: 28px;height: 28px;line-height: 28px;text-align: center;border-radius: 50%;background: #d4a017;color: #fff;font-size: 15px;margin-right: 8px;vertical-align: middle\">\u2605<\/span><b>OEM Equivalent<\/b>Direct replacement for Kubria F210 original step bearing assembly 18564932. Drop-in fit, no modification.<\/div>\n<div style=\"background: #f7f8fa;border: 1px solid #e5e7eb;border-radius: 10px;padding: 16px 18px;font-size: 14px;line-height: 1.55\"><span style=\"display: inline-block;width: 28px;height: 28px;line-height: 28px;text-align: center;border-radius: 50%;background: #d4a017;color: #fff;font-size: 15px;margin-right: 8px;vertical-align: middle\">\u2692<\/span><b>Complete Set<\/b>Bearing + retainer cover + dust seal + hardware. Replace the whole assembly in one shutdown.<\/div>\n<div style=\"background: #f7f8fa;border: 1px solid #e5e7eb;border-radius: 10px;padding: 16px 18px;font-size: 14px;line-height: 1.55\"><span style=\"display: inline-block;width: 28px;height: 28px;line-height: 28px;text-align: center;border-radius: 50%;background: #d4a017;color: #fff;font-size: 15px;margin-right: 8px;vertical-align: middle\">\u25b2<\/span><b>High-Load Capacity<\/b>Alloy-steel bearing + bronze backing handles the main shaft&#8217;s vertical load and impact forces.<\/div>\n<div style=\"background: #f7f8fa;border: 1px solid #e5e7eb;border-radius: 10px;padding: 16px 18px;font-size: 14px;line-height: 1.55\"><span style=\"display: inline-block;width: 28px;height: 28px;line-height: 28px;text-align: center;border-radius: 50%;background: #d4a017;color: #fff;font-size: 15px;margin-right: 8px;vertical-align: middle\">\u2713<\/span><b>QA Inspected<\/b>Dimensional check, hardness test, surface finish and run-out inspection before shipment.<\/div>\n<\/div>\n<h2 style=\"font-size: 24px;margin: 34px 0 14px;color: #0a2540;border-bottom: 2px solid #d4a017;padding-bottom: 8px\">1. What Is a Step Bearing Set in a Cone Crusher?<\/h2>\n<p>In a cone crusher, the <strong>step bearing<\/strong> sits at the top of the main shaft (between the shaft head and the spider arm). It performs three critical functions simultaneously:<\/p>\n<ul style=\"margin: 10px 0;padding-left: 22px;line-height: 1.65\">\n<li><strong>Supports the main shaft vertically<\/strong> \u2014 absorbs the entire weight of the shaft plus crushing forces during the crushing cycle.<\/li>\n<li><strong>Provides axial positioning<\/strong> \u2014 prevents the shaft from moving up or down inside the crushing chamber, keeping CSS (closed side setting) stable.<\/li>\n<li><strong>Allows controlled rotation<\/strong> \u2014 the polished bearing surface lets the shaft rotate at low speed (typically 400-600 RPM) with minimum friction.<\/li>\n<\/ul>\n<p>The <strong>step bearing set<\/strong> is the complete service assembly \u2014 the bearing itself, the retainer cover that holds it in place, the dust seal that keeps contamination out of the oil film, and the mounting hardware. When the step bearing fails (spalling, brinelling, overheating from oil starvation, or seal contamination), the whole set is normally replaced together during a planned shutdown.<\/p>\n<div style=\"background: #fff7ed;border-left: 4px solid #ea580c;padding: 14px 18px;margin: 18px 0;border-radius: 0 8px 8px 0;font-size: 14px;line-height: 1.6\"><b>Failure warning signs:<\/b> crusher trips on overload \u00b7 oil temperature spikes above 60\u00b0C at the step bearing housing \u00b7 metallic particles in step bearing oil sample \u00b7 audible &#8220;knocking&#8221; on each crushing cycle \u00b7 CSS drift \/ inconsistent product size. Replace the complete step bearing set before catastrophic shaft damage occurs.<\/div>\n<h2 style=\"font-size: 24px;margin: 34px 0 14px;color: #0a2540;border-bottom: 2px solid #d4a017;padding-bottom: 8px\">2. Components in This Set<\/h2>\n<table style=\"width: 100%;border-collapse: collapse;margin: 16px 0;font-size: 14px\">\n<thead>\n<tr>\n<th style=\"background: #0a2540;color: #fff;padding: 10px 12px;text-align: left;border: 1px solid #0a2540;font-weight: 600\">Component<\/th>\n<th style=\"background: #0a2540;color: #fff;padding: 10px 12px;text-align: left;border: 1px solid #0a2540;font-weight: 600\">Function<\/th>\n<th style=\"background: #0a2540;color: #fff;padding: 10px 12px;text-align: left;border: 1px solid #0a2540;font-weight: 600\">Material<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">Step Bearing (Main Disc)<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Main shaft support surface; carries vertical + impact load<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">Alloy steel (forged\/rolled), hardened to 58-62 HRC on contact face<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Retainer Cover<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">Clamps the bearing to the frame; locates the seal housing<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Ductile iron \/ cast steel, epoxy-coated for corrosion resistance<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">Dust Seal<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Prevents dust, fines and water ingress into the oil film<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">NBR rubber + polyurethane + steel insert (labyrinth + lip combination)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Backing Ring<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">Distributes clamping load evenly; allows axial float tolerance<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Bronze or brass (low-friction interface)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">Mounting Bolts &amp; Washers<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Secures retainer cover to crusher frame<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">Grade 10.9 high-tensile steel, zinc-flake coated<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Hot-dipped tungsten steel overlay<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">Bearing contact face treated with hot-dipped tungsten-steel overlay; surface hardness \u2265 65 HRC equivalent, metallurgic<\/p>\n<div style=\"background: #f0fdf4;border-left: 4px solid #16a34a;padding: 14px 18px;margin: 18px 0;border-radius: 0 8px 8px 0;font-size: 14px;line-height: 1.6\">loy-steel substrate for superior abrasion resistance under cyclic impact loads.<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div style=\"background: #fff7ed;border-left: 4px solid #ea580c;padding: 14px 18px;margin: 18px 0;border-radius: 0 8px 8px 0;font-size: 14px;line-height: 1.6\"><b>About Hot-Dipped Tungsten Steel Overlay:<\/b> The bearing contact face receives a hot-dipped tungsten-steel overlay treatment. This surface engineering creates a hard, wear-resistant layer (surface hardness \u2265 65 HRC equivalent) metallurgically bonded to the alloy-steel substrate. The result is a composite bearing surface that combines the impact toughness of forged alloy steel with the exceptional abrasion resistance of tungsten steel \u2014 extending service life by 30-50% versus standard through-hardened bearings in high-feed, abrasive-crushing duties.<\/div>\n<h2 style=\"font-size: 24px;margin: 34px 0 14px;color: #0a2540;border-bottom: 2px solid #d4a017;padding-bottom: 8px\">3. Compatible Equipment<\/h2>\n<p>This step bearing set is engineered specifically for the following ThyssenKrupp Kubria cone crusher models:<\/p>\n<table style=\"width: 100%;border-collapse: collapse;margin: 16px 0;font-size: 14px\">\n<thead>\n<tr>\n<th style=\"background: #0a2540;color: #fff;padding: 10px 12px;text-align: left;border: 1px solid #0a2540;font-weight: 600\">OEM Brand<\/th>\n<th style=\"background: #0a2540;color: #fff;padding: 10px 12px;text-align: left;border: 1px solid #0a2540;font-weight: 600\">Model Series<\/th>\n<th style=\"background: #0a2540;color: #fff;padding: 10px 12px;text-align: left;border: 1px solid #0a2540;font-weight: 600\">Crusher Type<\/th>\n<th style=\"background: #0a2540;color: #fff;padding: 10px 12px;text-align: left;border: 1px solid #0a2540;font-weight: 600\">Recommended Application<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">ThyssenKrupp (Kubria)<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\"><strong>F210<\/strong> (primary fit)<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Cone crusher, coarse\/medium chamber<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">Hard rock, iron ore, copper ore, gold ore, granite, basalt<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">ThyssenKrupp (Kubria)<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">F-series (cross-reference)<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Cone crusher<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">Verify with crusher serial number before ordering<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Cross-reference numbers:<\/strong> 18564932 (primary) \u00b7 ThyssenKrupp drawing reference available on request.<\/p>\n<h2 style=\"font-size: 24px;margin: 34px 0 14px;color: #0a2540;border-bottom: 2px solid #d4a017;padding-bottom: 8px\">4. Working Principle<\/h2>\n<div style=\"display: grid;grid-template-columns: 1fr 1fr;gap: 20px;margin: 20px 0\">\n<div style=\"background: #f7f8fa;border-radius: 10px;padding: 18px 20px\">\n<h4>During Crushing (Loaded Cycle)<\/h4>\n<p>As the mantle compresses rock against the bowl liner, the main shaft experiences a downward impact force. The <strong>step bearing<\/strong> on top of the shaft bears this load and transfers it to the crusher frame via the retainer cover. The bearing surface floats on a thin hydrodynamic oil film (~0.05 mm), preventing metal-to-metal contact.<\/p>\n<\/div>\n<div style=\"background: #f7f8fa;border-radius: 10px;padding: 18px 20px\">\n<h4>During Idle Rotation (Unloaded)<\/h4>\n<p>Between crushing strokes, the eccentric rotates the main shaft slowly. The <strong>step bearing surface<\/strong> allows low-friction rotation while the dust seal keeps oil clean and contamination-free. Stable oil temperature (40-55\u00b0C) is the key health indicator.<\/p>\n<\/div>\n<\/div>\n<h2 style=\"font-size: 24px;margin: 34px 0 14px;color: #0a2540;border-bottom: 2px solid #d4a017;padding-bottom: 8px\">5. Key Features &amp; Advantages<\/h2>\n<ul style=\"margin: 10px 0;padding-left: 22px;line-height: 1.65\">\n<li><strong>Direct OEM replacement<\/strong> \u2014 engineered to match Kubria F210 original part 18564932 dimensions, tolerances and load rating. No frame modification required.<\/li>\n<li><strong>High-grade alloy steel<\/strong> \u2014 through-hardened bearing surface (58-62 HRC) resists brinelling, spalling and fatigue under cyclic impact loads.<\/li>\n<li><strong>Concentric ring pattern<\/strong> \u2014 precision-machined grooves on the bearing face ensure uniform oil film distribution and reduce localized hot spots.<\/li>\n<li><strong>Bronze backing ring<\/strong> \u2014 accommodates minor axial float without galling, extending bearing life during start-up and shutdown.<\/li>\n<li><strong>Labyrinth + lip dust seal<\/strong> \u2014 double protection against dust ingress; critical in crushing environments where fines contaminate lubricant.<\/li>\n<li><strong>Pre-assembled kit<\/strong> \u2014 saves 6-8 hours of downtime vs. sourcing components separately; everything fits together out of the box.<\/li>\n<li><strong>Serial-number traced QC<\/strong> \u2014 every set is dimensionally inspected, hardness-tested and run-out checked before packing.<\/li>\n<li><strong>Stock available<\/strong> \u2014 lead time typically 5-10 working days from stock; expedited options for emergency breakdowns.<\/li>\n<\/ul>\n<h2 style=\"font-size: 24px;margin: 34px 0 14px;color: #0a2540;border-bottom: 2px solid #d4a017;padding-bottom: 8px\">6. Typical Applications<\/h2>\n<p>The Kubria F210 cone crusher is widely deployed across the mining and aggregate industries. The 18564932 step bearing set supports the following operations:<\/p>\n<ul style=\"margin: 10px 0;padding-left: 22px;line-height: 1.65\">\n<li><strong>Iron ore mining<\/strong> \u2014 secondary and tertiary crushing of magnetite and hematite ore.<\/li>\n<li><strong>Copper ore processing<\/strong> \u2014 medium-hard ore crushing in concentrator plants.<\/li>\n<li><strong>Gold ore crushing circuits<\/strong> \u2014 hard rock gold operations in Africa, South America and Australia.<\/li>\n<li><strong>Granite and basalt quarries<\/strong> \u2014 aggregate production for construction and infrastructure.<\/li>\n<li><strong>Cement plant raw material preparation<\/strong> \u2014 limestone and clinker crushing.<\/li>\n<li><strong>Industrial mineral processing<\/strong> \u2014 quartz, feldspar, andalusite and similar abrasive feedstocks.<\/li>\n<\/ul>\n<h2 style=\"font-size: 24px;margin: 34px 0 14px;color: #0a2540;border-bottom: 2px solid #d4a017;padding-bottom: 8px\">7. Material &amp; Manufacturing Process<\/h2>\n<table style=\"width: 100%;border-collapse: collapse;margin: 16px 0;font-size: 14px\">\n<thead>\n<tr>\n<th style=\"background: #0a2540;color: #fff;padding: 10px 12px;text-align: left;border: 1px solid #0a2540;font-weight: 600\">Stage<\/th>\n<th style=\"background: #0a2540;color: #fff;padding: 10px 12px;text-align: left;border: 1px solid #0a2540;font-weight: 600\">Process Detail<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Material selection<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">Alloy steel (42CrMo \/ 50Mn equivalent) for bearing disc; ductile iron (GGG60) for retainer cover; NBR + PU for dust seal<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Forging \/ Casting<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">Bearing disc: open-die forged for grain-flow continuity. Retainer: sand-cast with riser design to avoid shrinkage porosity.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Rough turning<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">All critical surfaces rough-machined with 3-5 mm allowance for finish.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Heat treatment<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">Bearing disc: quenched and tempered (Q&amp;T) to achieve 58-62 HRC surface hardness with tough core.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Finish machining<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">CNC turning + grinding to achieve Ra \u2264 0.4 \u00b5m on the bearing contact face; concentricity within 0.02 mm.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Concentric ring machining<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">Concentric grooves precision-cut for hydrodynamic oil film distribution.<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Surface treatment<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">Retainer cover: sand-blasted, anti-rust primer, epoxy top-coat. Hardware: zinc-flake coating (240h salt spray).<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Final assembly<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">Step bearing + backing ring + hardware pre-assembled; dust seal installed in groove. Each set serial-numbered and shipped in matched pair packaging.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 style=\"font-size: 24px;margin: 34px 0 14px;color: #0a2540;border-bottom: 2px solid #d4a017;padding-bottom: 8px\">8. Quality Control &amp; Inspection<\/h2>\n<p>Every 18564932 step bearing set undergoes the following inspection protocol before shipment:<\/p>\n<ul style=\"margin: 10px 0;padding-left: 22px;line-height: 1.65\">\n<li><strong>Dimensional inspection<\/strong> \u2014 critical diameters, heights and bolt-circle patterns verified with CMM.<\/li>\n<li><strong>Hardness testing<\/strong> \u2014 surface and core hardness checked on bearing disc (target 58-62 HRC surface).<\/li>\n<li><strong>Surface finish<\/strong> \u2014 bearing contact face roughness Ra measured (target \u2264 0.4 \u00b5m).<\/li>\n<li><strong>Run-out test<\/strong> \u2014 axial and radial run-out checked against drawing tolerance.<\/li>\n<li><strong>Ultrasonic testing (UT)<\/strong> \u2014 bearing disc inspected for internal defects per ASTM A388.<\/li>\n<li><strong>Magnetic particle inspection (MPI)<\/strong> \u2014 surface crack detection on critical load-bearing surfaces.<\/li>\n<li><strong>Visual &amp; packaging check<\/strong> \u2014 final QC before export crating; matching components verified.<\/li>\n<\/ul>\n<h2 style=\"font-size: 24px;margin: 34px 0 14px;color: #0a2540;border-bottom: 2px solid #d4a017;padding-bottom: 8px\">9. Packaging &amp; Shipping<\/h2>\n<ul style=\"margin: 10px 0;padding-left: 22px;line-height: 1.65\">\n<li><strong>Individual wrapping<\/strong> \u2014 each component wrapped in VCI anti-rust film + bubble wrap.<\/li>\n<li><strong>Inner packing<\/strong> \u2014 foam-fitted wooden crate with cardboard separators.<\/li>\n<li><strong>Outer packing<\/strong> \u2014 ISPM-15 compliant fumigated plywood export crate, heat-treated and stamped.<\/li>\n<li><strong>Marking<\/strong> \u2014 crate labeled with part number 18564932, quantity, net\/gross weight, and &#8220;Fragile \/ Heavy&#8221; handling marks.<\/li>\n<li><strong>Shipping options<\/strong> \u2014 sea freight (FCL \/ LCL), air freight, or courier (DHL \/ FedEx \/ UPS) for emergency orders.<\/li>\n<li><strong>Documents<\/strong> \u2014 commercial invoice, packing list, material certificate (EN 10204 3.1), heat-treatment certificate, QC report.<\/li>\n<\/ul>\n<h2 style=\"font-size: 24px;margin: 34px 0 14px;color: #0a2540;border-bottom: 2px solid #d4a017;padding-bottom: 8px\">10. Specification Table<\/h2>\n<table style=\"width: 100%;border-collapse: collapse;margin: 16px 0;font-size: 14px\">\n<thead>\n<tr>\n<th style=\"background: #0a2540;color: #fff;padding: 10px 12px;text-align: left;border: 1px solid #0a2540;font-weight: 600\">Item<\/th>\n<th style=\"background: #0a2540;color: #fff;padding: 10px 12px;text-align: left;border: 1px solid #0a2540;font-weight: 600\">Detail<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Product Name \/ Part Name<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">Step Bearing Set (Upper Thrust Bearing Assembly)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Part Number<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">18564932<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Compatible Crusher<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">ThyssenKrupp Kubria F210 Cone Crusher<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Set Components<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">Step Bearing, Retainer Cover, Dust Seal, Backing Ring, Mounting Hardware<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Bearing Material<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">High-Grade Alloy Steel (42CrMo equivalent), Q&amp;T<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Bearing Surface Hardness<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">58-62 HRC<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Retainer Material<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">Ductile Iron (GGG60), Epoxy-Coated<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Dust Seal Material<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">NBR + Polyurethane + Steel Insert<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Backing Ring Material<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">Bronze \/ Brass<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Bearing Surface Finish<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">Ra \u2264 0.4 \u00b5m, concentric grooves for oil distribution<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Approx. Net Weight (full set)<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">Contact us for the latest weight per your serial number<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Operating Temperature<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">-20\u00b0C to +80\u00b0C (continuous duty); oil temp target 40-55\u00b0C<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Lubrication<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">Oil bath \/ flood lubrication (per OEM specification)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Recommended Service Life<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">4,000-8,000 operating hours (depends on duty cycle, feed hardness, oil cleanliness)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Manufacturing Standards<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">OEM-equivalent tolerances, ISO 9001 quality system<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Inspection Standards<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">CMM dimensional, hardness per ASTM E18, UT per ASTM A388, MPI per ASTM E709<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Country of Origin<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">China<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">HS Code<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">8474.90 (parts of machinery for sorting, screening, separating, washing or otherwise treating earth, stone, ores or other mineral substances)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">MOQ<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">1 Set<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Lead Time<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">5-10 working days from stock (expedited options for breakdowns)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Packaging<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">VCI film + foam-fitted ISPM-15 plywood export crate<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Shipping Terms<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">EXW \/ FOB \/ CIF \/ DDP (negotiable)<\/td>\n<\/tr>\n<tr>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top;background: #f7f8fa\">Warranty<\/td>\n<td style=\"padding: 10px 12px;border: 1px solid #e5e7eb;vertical-align: top\">12 months against manufacturing defects<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2 style=\"font-size: 24px;margin: 34px 0 14px;color: #0a2540;border-bottom: 2px solid #d4a017;padding-bottom: 8px\">11. Why Buy From MiningSpares<\/h2>\n<ul style=\"margin: 10px 0;padding-left: 22px;line-height: 1.65\">\n<li><strong>Specialized in crusher wear parts<\/strong> \u2014 our core focus is cone crusher replacement parts for ThyssenKrupp Kubria, Trio, Sandvik, Metso, Symons, Telsmith and other major brands.<\/li>\n<li><strong>Direct factory pricing<\/strong> \u2014 we manufacture in-house with foundry partners, eliminating middleman markups.<\/li>\n<li><strong>Large inventory<\/strong> \u2014 common parts ready to ship; emergency breakdown orders prioritized.<\/li>\n<li><strong>Engineering support<\/strong> \u2014 we help you cross-reference part numbers and confirm fitment by crusher serial number.<\/li>\n<li><strong>Global export experience<\/strong> \u2014 we ship to 60+ countries with full export documentation.<\/li>\n<li><strong>Quality guaranteed<\/strong> \u2014 every part comes with material certificate and dimensional QC report.<\/li>\n<\/ul>\n<div style=\"background: linear-gradient(135deg,#d4a017 0%,#b8860b 100%);color: #fff;padding: 28px 32px;border-radius: 12px;margin: 30px 0;text-align: center\">\n<h3 style=\"margin: 0 0 6px;color: #fff\">Need a quote or want to confirm fitment for your serial number?<\/h3>\n<p style=\"margin: 0 0 0;color: #fff\">Send your crusher model, serial number and the part you need \u2014 we reply within 24 hours.<\/p>\n<p><a href=\"https:\/\/miningspareparts.com\/en\/contact\/\">Request a Quote<\/a><\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<ul>\n<li><strong>Product Name:<\/strong> Step Bearing Set (Upper Thrust Bearing Assembly)<\/li>\n<li><strong>Part Number:<\/strong> 18564932<\/li>\n<li><strong>Compatible Crusher:<\/strong> ThyssenKrupp Kubria F210 Cone Crusher<\/li>\n<li><strong>Set Includes:<\/strong> Step Bearing + Retainer Cover + Dust Seal + Mounting Hardware<\/li>\n<li><strong>Material:<\/strong> High-Grade Alloy Steel + Bronze Backing + NBR\/Polyurethane Seal<\/li>\n<li><strong>Function:<\/strong> Supports main shaft vertical load and provides axial positioning during crushing cycle<\/li>\n<li><strong>MOQ:<\/strong> 1 Set<\/li>\n<\/ul>\n","protected":false},"featured_media":13352,"template":"","meta":{"_uag_custom_page_level_css":"","site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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