60/22 Motorcycle Crankshaft Bearing
BMT Bearing brings 25+ years of expertise in precision bearings. Our 60/22 Motorcycle Crankshaft Bearing is engineered for high-RPM stability, heat resistance, and long service life. We provide OEM and aftermarket buyers stable supply, ISO/IATF quality control, and tested real-world performance.
At BMT Bearing, we design and manufacture the 60/22 Motorcycle Crankshaft Bearing based on decades of real production experience and field feedback from global motorcycle transmission applications. As part of BMT Group’s long-term bearing innovation system since 2004, we focus on durability, stability, and precision under extreme riding conditions.
This bearing is built for motorcycle crankshaft and transmission systems that operate under rapid acceleration, frequent gear shifts, and continuous high-load stress. Our engineering goal is simple: reduce failure risk, improve shifting smoothness, and extend service life for both OEM and aftermarket users.
Technical Parameters
BMT Company's Motorcycle crankshaft bearings series includes these 10 continuous models (MGB-001 to MGB-010), with main dimensions (inner d x outer D x width B in mm), dynamic load rating (C in kN), and static load rating (C0 in kN), per ISO 15 standards.
| Bearing Model | Inner Diameter (mm) | Outer Diameter (mm) | Width (mm) |
|---|---|---|---|
| 6201-2RS | 12 | 32 | 10 |
| 6202-2RS | 15 | 35 | 11 |
| 6203-2RS | 17 | 40 | 12 |
| 6204-2RS | 20 | 47 | 14 |
| 6205-2RS | 25 | 52 | 15 |
| 6302-2RS | 15 | 42 | 13 |
| 6303-2RS | 17 | 47 | 14 |
| 6304-2RS | 20 | 52 | 15 |
| 6004-2RS | 20 | 42 | 12 |
| 6005-2RS | 25 | 47 | 12 |
| 30202 | 15 | 35 | 11.75 |
| 30203 | 17 | 40 | 13.25 |
| 30204 | 20 | 47 | 15.25 |
| 30302 | 15 | 42 | 16.25 |
| 30303 | 17 | 47 | 18.25 |
| NTN 6202LLU | 15 | 35 | 11 |
| NTN 6203LLU | 17 | 40 | 12 |
| SKF 6204-2Z | 20 | 47 | 14 |
| SKF 6205-2Z | 25 | 52 | 15 |
| FAG 6302-2Z | 15 | 42 | 13 |
| FAG 6303-2Z | 17 | 47 | 14 |
| KOYO 6202RS | 12 | 32 | 10 |
| KOYO 6203RS | 17 | 40 | 12 |
| NSK 6204DU | 20 | 47 | 14 |
| NSK 6205DU | 25 | 52 | 15 |
| TIMKEN 30202 | 15 | 35 | 11.75 |
| TIMKEN 30203 | 17 | 40 | 13.25 |
| INA 6202-2RS | 12 | 32 | 10 |
| INA 6203-2RS | 17 | 40 | 12 |
| 6206-2RS | 30 | 62 | 16 |
| 6305-2RS | 25 | 62 | 17 |
| 30205 | 25 | 52 | 16.25 |
| 30304 | 20 | 52 | 18.25 |
| 6207-2RS | 35 | 72 | 17 |
| 63/22 | 22 | 56 | 16 |
| 63/24 | 24 | 58 | 17 |
| 63/26 | 26 | 62 | 17 |
| 63/28 | 28 | 68 | 18 |
| 63/30 | 30 | 72 | 19 |
| 60/18 | 18 | 38 | 9 |
| 60/20 | 20 | 42 | 10 |
| 60/22 | 22 | 44 | 10 |
| 60/24 | 24 | 47 | 11 |
These parameters enable robust performance in high-torque applications, with fatigue life surpassing 5x10^6 cycles.
Key Technical Strengths
We manufacture each bearing using high-grade case-hardened steel with controlled heat treatment (60–64 HRC surface hardness). This ensures strong resistance against wear, shock load, and contamination.
High RPM Stability
Stable operation under high RPM conditions
Optimized Cage
Reduces vibration and noise
Enhanced Lubrication
Heat dissipation channels
Tight Clearance Control
Consistent transmission performance
Low-Friction Surface
Improved efficiency
In real test environments, our bearings demonstrate reduced operating temperature and smoother gear engagement compared to standard aftermarket alternatives.
Real-World Test Results: BMT 60/22 vs. Standard Aftermarket Bearings
We conducted a controlled endurance test on a 250cc single-cylinder motorcycle engine (simulating 10,000 km of mixed riding conditions). Below are the comparative results:
| Test Parameter | BMT 60/22 Bearing | Standard Aftermarket Bearing |
|---|---|---|
| Temperature after 2hr full load | 78°C | 96°C |
| Vibration (RMS, m/s²) | 1.2 | 2.8 |
| Radial clearance after test (original 0.015mm) | 0.018mm | 0.035mm |
| Surface wear (depth) | 0.002mm | 0.007mm |
| Test conclusion | BMT bearing maintained Grade 3 (ZV3) noise level throughout; standard bearing reached Grade 5 noise at 6,000 km mark. | |
Engineering Experience and Real Application Feedback
With over 20+ years of export and OEM cooperation experience, we have supplied motorcycle transmission components to multiple international markets. Based on long-term usage feedback, the 60/22 Motorcycle Crankshaft Bearing is commonly selected for:
- Street motorcycles requiring stable daily performance
- Off-road bikes operating in dust and impact-heavy environments
- Touring motorcycles needing long-distance reliability
Users consistently report fewer gear shifting issues and reduced maintenance frequency when switching to our bearing solution.
Quality Control & Certification
BMT operates under strict industrial standards, supported by:
- ISO 9001 quality management system
- IATF 16949 automotive-grade production control
- Full traceability via laser-etched serial numbers
Every bearing undergoes:
- Noise and torque testing under simulated shifting cycles
- Dimensional inspection with high-precision instruments
- Accelerated fatigue testing for long-life verification
- Contamination and thermal resistance evaluation
This ensures every unit delivered meets stable and repeatable performance requirements.
Production Capability
- 100+ automatic grinding and assembly lines
- Annual capacity of up to 100 million bearing units
- Fully automated inspection and packaging systems
From raw material selection to final shipment, we maintain standardized production control to ensure consistency across every batch.
Installation & Maintenance Guidance
To ensure maximum performance of the 60/22 Motorcycle Crankshaft Bearing:
- Clean transmission housing before installation
- Apply proper assembly lubrication
- Maintain installation tolerance within 0.01 mm alignment
- Use recommended transmission oil and follow scheduled replacement cycles
Proper installation significantly improves bearing lifespan and reduces early wear risk.
Why Choose BMT Bearing
We focus on long-term reliability, not short-term output. Our goal is to support distributors, OEM manufacturers, and repair markets with stable supply, consistent quality, and technically proven bearing solutions.
The 60/22 Motorcycle Crankshaft Bearing reflects our core engineering principle: precision manufacturing combined with real-world durability.
Product Video
Frequently Asked Questions — BMT 60/22 Motorcycle Crankshaft Bearing
❓ Q: What is the exact interchange for 60/22 bearing?
A: BMT 60/22 is fully interchangeable with: SKF 60/22, FAG 60/22, NSK 60/22, NTN 60/22 dimensions: 22mm ID × 44mm OD × 10mm width.
❓ Q: What is the MOQ for 60/22 motorcycle bearing?
A: Sample order: 2-10 pieces (ready within 48 hours). Bulk MOQ: 1,000 pieces. For distributors, contact us for stock program options with lower MOQ.
❓ Q: What is the delivery time?
A: Samples: 2-3 business days (express shipping). Bulk orders (1,000-10,000 pcs): 15-25 days after order confirmation. 100,000+ pcs: 30-40 days.
❓ Q: Does this bearing work for electric motorcycles?
A: Yes. The 60/22 bearing supports up to 15,000 RPM, suitable for 3-10kW electric motorcycle motors. Our ceramic hybrid version (60/22-HC) is also available for higher RPM applications.
❓ Q: What lubrication is pre-filled?
A: Standard: Klüber Lubrication ISOFLEX NBU 15 (temperature range -40°C to +130°C). Alternative greases available upon request (e.g., Mobil, Shell, Fuchs).
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No.183,Longfeng,West of Zhangting industrial Zone,Yuyao,Ningbo,China
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