Table of Contents
High Precision Taper Roller Bearing 23100/23256 2687/2631 02473/02420 3189/3120: Technical Specifications
Key Parameters
| Model |
Inner Diameter (mm) |
Outer Diameter (mm) |
Dynamic Load Rating (kN) |
Static Load Rating (kN) |
Material |
| 23100/23256 |
100 |
256 |
1,250 |
2,340 |
Chromium Steel |
| 2687/2631 |
87 |
131 |
980 |
1,760 |
Case-Carburized Steel |
| 02473/02420 |
73 |
120 |
850 |
1,550 |
High-Carbon Steel |
Performance Comparison
Timken 3189/3120 excels in high-temperature environments (up to 200°C) compared to standard models. The 23100/23256 series offers 15% higher load capacity for heavy machinery.
Industrial Applications of Timken Taper Roller Bearings
Primary Use Cases
- Mining Equipment: Conveyor systems, crushers
- Wind Turbines: Main shaft support
- Steel Manufacturing: Rolling mill stands
- Automotive: Heavy-duty truck wheel ends
Operational Advantages
| Industry |
Problem Solved |
Timken Solution Benefit |
| Energy |
Gearbox failures in wind turbines |
30% longer service life |
| Construction |
Axle bearing replacement frequency |
Reduced maintenance intervals by 40% |
Installation and Maintenance Best Practices
Mounting Procedures
- Clean housing surfaces (Ra ≤ 3.2 μm)
- Maintain 0.0005" interference fit for 100mm+ bores
- Use induction heaters below 120°C
Lubrication Requirements
| Operating Condition |
Grease Type |
Re-lube Interval |
| High Speed (>3,000 RPM) |
Polyurea EP2 |
500 hours |
| Heavy Load (>200 kN) |
Lithium Complex EP3 |
300 hours |
Industry-Specific Implementation Cases
Case 1: Cement Plant Retrofit
A Brazilian cement producer reduced kiln downtime by 22% after replacing competitor bearings with Timken 02473/02420 series in rotary crushers.
Case 2: Port Crane Upgrade
Shanghai Port Authority reported 18% energy savings in container handling equipment through optimized bearing alignment using 3189/3120 units.
Verified Client Success Stories
Client 1: German Automotive Manufacturer
| Challenge |
Solution |
Result |
| Premature bearing failure in EV drivetrains |
Customized 2687/2631 bearings with enhanced sealing |
Extended warranty period by 2 years |
Client 2: Canadian Mining Company
| Challenge |
Solution |
Result |
| Contamination in underground drills |
23100/23256 with TripleLabyrinth seals |
94% reduction in unscheduled maintenance |
Technical Consultation and Pricing
Request Customized Solutions
Contact our bearing engineers for application-specific recommendations:
Why Choose Timken Through Us?
| Advantage |
Benefit |
| Authorized Distributor |
Genuine product guarantee |
| Local Inventory |
15-day delivery for standard models |
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