| 参数 | 数据 | 说明 |
|---|---|---|
| Series | 2500 | |
| Cone Part Number | 2585 | |
| Cup Part Number | 2523-B | |
| Design Units | Imperial | |
| Bearing Weight | 0.50 lb | |
| Bearing Weight | 0.200 Kg | |
| Cage Type | Stamped Steel | |
| D - Cup Outer Diameter | 2.7500 in | |
| D - Cup Outer Diameter | 69.850 mm | |
| D1 - Flange Outer Diameter | 2.9020 in | |
| D1 - Flange Outer Diameter | 73.711 mm | |
| d - Cone Bore | 1.3125 in | |
| d - Cone Bore | 33.338 mm | |
| B - Cone Width | 0.9983 in | |
| B - Cone Width | 25.357 mm | |
| C - Cup Width | 0.7500 in | |
| C - Cup Width | 19.050 mm | |
| C1 - Cup Flange Width | 0.1560 in | |
| C1 - Cup Flange Width | 3.962 mm | |
| T1 - Bearing Width | 0.9378 in | |
| T1 - Bearing Width | 23.820 mm | |
| T - Bearing Width to Flange | 0.3438 in | |
| T - Bearing Width to Flange | 8.733 mm | |
| Z - Number of Rollers Per Row | 16 | |
| R - Cone Backface "To Clear" Radius | 0.140 in | These maximum fillet radii will be cleared by the bearing corners. |
| R - Cone Backface "To Clear" Radius | 3.600 mm | These maximum fillet radii will be cleared by the bearing corners. |
| r - Cup Backface "To Clear" Radius | 0.060 in | These maximum fillet radii will be cleared by the bearing corners. |
| r - Cup Backface "To Clear" Radius | 1.50 mm | These maximum fillet radii will be cleared by the bearing corners. |
| da - Cone Frontface Backing Diameter | 1.54 in | |
| da - Cone Frontface Backing Diameter | 39.10 mm | |
| db - Cone Backface Backing Diameter | 1.77 in | |
| db - Cone Backface Backing Diameter | 45.00 mm | |
| Da - Cup Frontface Backing Diameter | 2.62 in | |
| Da - Cup Frontface Backing Diameter | 66.04 mm | |
| Ab - Cage-Cone Frontface Clearance | 0.03 in | |
| Ab - Cage-Cone Frontface Clearance | 0.80 mm | |
| Aa - Cage-Cone Backface Clearance | 0.04 in | |
| Aa - Cage-Cone Backface Clearance | 1.00 mm | |
| a - Effective Center Location | -0.34 in | Negative value indicates effective center inside cone backface. |
| a - Effective Center Location | -8.60 mm | Negative value indicates effective center inside cone backface. |
| C90 - Dynamic Radial Rating (90 million revolutions) | 4880 lbf | Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values. |
| C90 - Dynamic Radial Rating (90 million revolutions) | 21700 N | Based on 90 x 106 revolutions L10 life, for The Timken Company life calculation method. C90 and Ca90 are radial and thrust values. |
| C1 - Dynamic Radial Rating (1 million revolutions) | 18800 lbf | Based on 1 x 106 revolutions L10 life, for the ISO life calculation method. |
| C1 - Dynamic Radial Rating (1 million revolutions) | 83700 N | Based on 1 x 106 revolutions L10 life, for the ISO life calculation method. |
| C0 - Static Radial Rating | 21200 lbf | |
| C0 - Static Radial Rating | 94400 N | |
| Ca90 - Dynamic Thrust Rating (90 million revolutions) | 2280 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) | 10200 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 | 2.14 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| e - ISO Factor | 0.27 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Y - ISO Factor | 2.19 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| G1 - Heat Generation Factor (Roller-Raceway) | 23.6 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| G2 - Heat Generation Factor (Rib-Roller End) | 9.63 | |
| Cg - Geometry Factor | 0.0656 | Geometry constant for Lubrication Life Adjustment Factor a3l. |
















