Tapered roller bearings (e.g., 33010, 33011, 33012, 33013, 33014) are designed to handle combined radial and axial loads. Their conical geometry ensures optimal load distribution, making them ideal for heavy-duty applications[1][9].
| Model | Inner Diameter (mm) | Outer Diameter (mm) | Dynamic Load (kN) | Static Load (kN) | Speed Limit (rpm) |
|---|---|---|---|---|---|
| 33010 | 50 | 80 | 72.5 | 89.3 | 6,000 |
| 33011 | 55 | 90 | 85.2 | 105.6 | 5,500 |
| 33012 | 60 | 95 | 93.7 | 118.4 | 5,000 |
*Higher static load ratings ensure durability in high-stress environments[3].
These bearings reduce friction and wear in high-speed rotations, extending machinery lifespan[3].
A mining company replaced standard bearings with 33012 tapered roller bearings, reducing downtime by 40% due to improved radial load capacity[9].
Challenge: Frequent bearing failures in truck wheel hubs.
Solution: Upgraded to 33011 bearings with enhanced axial load resistance.
Result: 30% longer service life and reduced maintenance costs.
Challenge: Turbine gearbox instability.
Solution: Installed 33014 bearings to handle variable wind loads.
Result: Gearbox efficiency improved by 22%[3][9].
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[1] Roller Bearing Definitions & Technical Data
[3] Radial Roller Bearing Applications
[9] SKF Bearing Case Studies
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