CAD (0)
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Unit of Measure
Key Dimensions
Cone Part Number |
N/A NA495A |
Cup Part Number |
N/A 493D |
Design Unit |
N/A Inch |
Bore (d) |
N/A 3 in76.2 mm |
O.D. (D) |
N/A 5.375 in136.525 mm |
| Dynamic Radial Load Rating - 90M Revs (C90) 1 | N/A 9000 lbf40000 N |
| Dynamic Radial Load Rating 2-Row - 90M Revs (C90-2row)2 | N/A 15700 lbf69700 N |
| K Factor 3 | N/A 1.31 |
| e Factor 4 | N/A 0.44 |
Other Dimensions
T - Bearing Width across Cones |
N/A 2.75 in69.85 mm |
| Max Shaft Fillet Radius5 | N/A 0.14 in3.5 mm |
| Max Housing Fillet Radius6 | N/A 0.03 in0.8 mm |
Outer Ring Width (C) |
N/A 2.125 in53.975 mm |
Shaft Backing Shoulder Diameter - Backface (db) |
N/A 3.62 in92 mm |
Housing Backing Shoulder Diameter - Frontface (Da) |
N/A 5.16 in130.05 mm |
Weight |
N/A 9.12 lb4.14 Kg |
- 1 Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values.
- 2 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.
- 3 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
- 4 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
- 5 These maximum fillet radii will be cleared by the bearing corners.
- 6 These maximum fillet radii will be cleared by the bearing corners.
- 7 Based on 1 x 106 revolutions L10 life, for the ISO life calculation method.
- 8 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.
- 9 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
- 10 These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use.
