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Key Features
- Longer bearing life achieved from higher capacity (vs. competitors)
- Longer lubrication life achieved from lower operating temperatures due to reduced internal friction and running torque from cage guided rollers
- Better contaminant purging from slots on cage face helps extend bearing life
- Greater fatigue strength and increased wear resistance provide tougher protection against shock and acceleration loading from a brass cage
Unit of Measure
Key Dimensions
Design Unit |
N/A Metric |
Bore (d) |
N/A 670 mm |
O.D. (D) |
N/A 38.583 in980 mm |
Width (B) |
N/A 9.0550 in230 mm |
Dynamic Radial Load Rating - 1M Revs (C1) |
N/A 1770000 lbf7890000 N |
| e Factor 1 | N/A 0.22 |
Cage Type |
N/A YMB |
Cage Material |
N/A Brass |
Other Dimensions
| Max Shaft Fillet Radius2 | N/A 0.24 in6 mm |
Shaft Backing Shoulder Diameter |
N/A 744.000 mm29.300 in |
Housing Backing Shoulder Diameter |
N/A 911.000 mm35.9000 in |
- 1 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
- 2 Maximum housing fillet radius that bearing corners will clear.
- 3 See thermal speed ratings in the engineering section.
- 4 These factors apply for both inch and metric calculations. See engineering
- 5 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
- 6 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
- 7 Geometry constant for Lubrication Life Adjustment Factor a3l.
