71455 - 71751D产品参数
| 参数 | 数据 | 说明 |
|---|---|---|
| Series | 71000 | |
| Cone Part Number | 71455 | |
| Cup Part Number | 71751D | |
| Design Units | Imperial | |
| Bearing Weight | 23.4446 lb | |
| Bearing Weight | 10.6343 Kg | |
| Cage Type | Stamped Steel | |
| D - Cup Outer Diameter | 7.5000 in | |
| D - Cup Outer Diameter | 190.500 mm | |
| d - Cone Bore | 4.5310 in | |
| d - Cone Bore | 115.087 mm | |
| B - Cone Width | 1.9375 in | |
| B - Cone Width | 49.213 mm | |
| C - Double Cup Width | 3.1875 in | |
| C - Double Cup Width | 80.963 mm | |
| T - Bearing Width across Cones | 4.1874 in | |
| T - Bearing Width across Cones | 106.360 mm | |
| Z - Number of Rollers Per Row | 23 | |
| Ka - Locking Pin Diameter | N/A | |
| Kb - Locking Pin Depth | N/A | |
| R - Cone Backface "To Clear" Radius | 0.310 in | These maximum fillet radii will be cleared by the bearing corners. |
| R - Cone Backface "To Clear" Radius | 7.900 mm | These maximum fillet radii will be cleared by the bearing corners. |
| r - Cup Frontface "To Clear" Radius | 0.06 in | These maximum fillet radii will be cleared by the bearing corners. |
| r - Cup Frontface "To Clear" Radius | 1.5 mm | These maximum fillet radii will be cleared by the bearing corners. |
| db - Cone Backface Backing Diameter | 5.55 in | |
| db - Cone Backface Backing Diameter | 141.00 mm | |
| Da - Cup Frontface Backing Diameter | 7.17 in | |
| Da - Cup Frontface Backing Diameter | 182.12 mm | |
| Aa - Cage-Cone Backface Clearance | 0.21 in | |
| Aa - Cage-Cone Backface Clearance | 5.30 mm | |
| C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) | 21200 lbf | 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. |
| C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) | 94300 N | 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. |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) | 142000 lbf | Based on 1 x 106 revolutions L10 life, for the ISO life calculation method. |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) | 633000 N | Based on 1 x 106 revolutions L10 life, for the ISO life calculation method. |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions) | 36900 lbf | 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. |
| C90(2) - Dynamic Radial Rating (Two-Row, 90 million revolutions) | 164000 N | 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. |
| Ca90 - Dynamic Thrust Rating (90 million revolutions) | 15100 lbf | 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. |
| Ca90 - Dynamic Thrust Rating (90 million revolutions) | 67100 N | 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. |
| K - Factor | 1.4 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| e - ISO Factor | 0.9 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Y1 - ISO Factor | 0.75 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Y1 - ISO Factor | 1.12 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Y2 - ISO Factor | 1.12 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| G1 - Heat Generation Factor (Roller-Raceway) | 269 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| G2 - Heat Generation Factor (Rib-Roller End) | 45.7 | |
| Cg - Geometry Factor | 0.116 | Geometry constant for Lubrication Life Adjustment Factor a3l. |
