This is the most basic and most widely used type of tapered roller bearing. It consists of two main separable parts: the cone (inner ring) assembly and the cup (outer ring). It is typically mounted in opposing pairs on a shaft.
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Unit of Measure
Key Dimensions
Cone Part Number |
N/A 95512X |
Bore (d) |
N/A 5.1181 in130 mm |
Inner Ring Width (B) |
N/A 2.5 in63.5 mm |
| Dynamic Radial Load Rating - 1M Revs (C1) 1 | N/A 141000 lbf629000 N |
| Dynamic Radial Load Rating - 90M Revs (C90) 2 | N/A 36700 lbf163000 N |
| K Factor 3 | N/A 1.58 |
Other Dimensions
Weight |
N/A 53.15 lb24.108 Kg |
| Effective Center Location4 | N/A -0.55 in-14 mm |
| Max Shaft Fillet Radius5 | N/A 0.24 in6.100 mm |
Shaft Backing Shoulder Diameter - Frontface (da) |
N/A 5.71 in145 mm |
Shaft Backing Shoulder Diameter - Backface (db) |
N/A 6.14 in156 mm |
Cage Location rel. to BF (Aa) |
N/A 0.22 in5.6 mm |
Cage Location rel. to FF (Ab) |
N/A 0.19 in4.8 mm |
- 1 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
- 2 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
- 3 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
- 4 Negative value indicates effective center inside cone backface.
- 5 These maximum fillet radii will be cleared by the bearing corners.
- 6 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values for a single-row, C90(2) is the two-row radial value.
- 7 Geometry constant for Lubrication Life Adjustment Factor a3l.
