China Thrust Ball Bearings 51104–51305, High-Load, Precision-Made
Basic Info
| Inner Diameter | 20 mm |
| Outer Diameter | 35 mm |
| Thickness | 10 mm |
Introduction
High-precision thrust bearing made of bearing steel, suitable for axial load applications. Available in models 51104–51305 with grease/oil lubrication. Precision grades P0–P2, vibration levels Z1V1–Z3V3. Certified to ISO9001:2008, in stock, OEM/ODM supported. Non-aligning, single-row, separated design.SKF-Grade Thrust Ball Bearings – High-Precision Axial Load Solutions
| Description | Key Selling Points |
|---|---|
| Models: 51104, 51204, 51304, 51105, 51205, 51305 | Wide range for scalable axial load needs (20–25 mm bore) |
| Dimensions: 20×35×10 mm (e.g., 51104) | Tight tolerances, ISO-standardized for drop-in SKF replacement |
| Precision Ratings: P0 to P2 | Ultra-precise P2/P4 options — ideal for high-speed machinery & CNC spindles |
| Lubrication: Grease or oil compatible | Pre-lubricated with premium lithium grease; extended service life |
| Vibration Class: Z1V1 to Z3V3 | Low-noise operation — critical for medical devices & precision instruments |
| Material: High-carbon bearing steel (GCr15 equivalent) | Heat-treated for hardness ≥60 HRC; fatigue resistance >1.2M cycles |
| Non-aligning, single-row, separated design | Easy installation & maintenance; perfect for rigid shaft support |
| Certified: ISO 9001:2008 | Full traceability & batch-tested quality control |
| OEM/ODM supported + China origin (HS Code 8482102000) | Cost-effective alternative to SKF without compromise on specs |
| In stock | Carton/pallet packaging | Same-day dispatch — no lead time delays |
Applications: Hydraulic pumps, automotive clutches, gearboxes, machine tool tables, and vertical motor thrust supports.
Why choose us over generic brands? Our bearings meet SKF dimensional & load specifications (dynamic Cr ≥ 12.7 kN for 51104), undergo 100% vibration & noise screening, and include material certs — not just packaging labels.
FAQ: Q: Are these direct SKF replacements? A: Yes — identical mounting dimensions and load ratings. Q: Can I get custom preload or special cages? A: Yes — OEM engineering support included. Q: Do you supply test reports? A: Absolutely — hardness, dimension, and vibration reports provided per batch.
Ready to verify performance in your application? Send your inquiry now — we’ll reply within 2 hours with spec sheets, samples, and volume pricing.
- Product Name
- China Thrust Ball Bearings 51104–51305, High-Load, Precision-Made
- Category
- Thrust Ball Bearing
- Brand
- SKF
- Certification
- ISO 9001 · TS 16949
- Lead Time
- 7 Working Days
Our engineers will respond within 12 hours with a tailored solution.
Request QuoteGeneral Specifications
| Bearing Type | Thrust Ball Bearing |
| Brand | SKF |
| Quality Standard | ISO 9001 / TS 16949 |
| Precision Grade | P0 / P5 / P6 (custom) |
| Material | Chrome Steel / Stainless |
| Cage Material | Steel / Brass / Polyamide |
| Lubrication | Grease / Oil (specify) |
| Operating Temp. | -40°C to +200°C |
| Min. Order Qty | 1 pc (samples available) |
| Prototype Lead Time | 7 Working Days |
Performance Parameters
| Load Capacity | Contact for C0/Cr values |
| Speed Rating | Contact for ndm limit |
| Vibration Level | Z1 / Z2 / Z3 (custom) |
| Noise Level | V1 / V2 / V3 (custom) |
| Fatigue Life | L10h per ISO 281 |
| Sealing Options | Open / Z / 2Z / RS / 2RS |
Our engineering team can modify bearing dimensions, materials, seals, and clearances to meet your specific operating requirements. Submit your drawing or spec sheet for a tailored proposal.
Wind Power
Main shaft bearings, gearbox bearings, and generator bearings for onshore and offshore wind turbines.
Mining & Quarrying
Heavy-duty bearings for crushers, conveyors, and rotary equipment in extreme dust and shock-load environments.
Steel & Metallurgy
High-temperature bearings for rolling mills, continuous casting, and furnace applications.
Automotive / EV
Wheel hub bearings, transmission bearings, and e-motor bearings for passenger and commercial vehicles.
Rail Transit
Axle box bearings, traction motor bearings, and gearbox bearings meeting EN/UIC railway standards.
Precision Machinery
High-precision spindle bearings, angular contact bearings, and super-precision bearings for CNC and robotics.
Application Design
EngineeringOur engineers analyze your operating conditions -- load, speed, temperature, environment -- and select or design the optimal bearing solution to maximize service life and reduce total cost of ownership.
Custom Modification
7-Day TurnaroundNeed non-standard dimensions, special materials, or modified clearances? We can modify standard SKF bearings or manufacture fully custom solutions with a 7-day prototype turnaround.
Failure Analysis
DiagnosticsWhen bearings fail prematurely, our team conducts root-cause analysis using advanced diagnostic tools to identify the failure mode and recommend corrective action.
Predictive Maintenance
Up to 40% Less DowntimeWe deploy vibration monitoring, thermal imaging, and oil analysis programs that detect bearing deterioration early -- reducing unplanned downtime by up to 40%.
On-site Installation
Global CoverageProper installation is critical to bearing performance. Our certified technicians provide on-site installation support, alignment verification, and operator training worldwide.
Lifecycle Support
Enterprise SLAFrom initial selection through end-of-life, our dedicated account managers provide scheduled maintenance plans, re-lubrication programs, and replacement forecasting for enterprise clients.
The engineering partner advantage
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China Thrust Ball Bearings 51104–51305, High-Load, Precision-Made
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