87737 - 87112D产品参数
| 参数 | 数据 | 说明 |
|---|---|---|
| Series | 87000 | |
| Cone Part Number | 87737 | |
| Cup Part Number | 87112D | |
| Design Units | Imperial | |
| Bearing Weight | 43.8130 lb | |
| Bearing Weight | 19.8732 Kg | |
| Cage Type | Stamped Steel | |
| D - Cup Outer Diameter | 11.1250 in | |
| D - Cup Outer Diameter | 282.575 mm | |
| d - Cone Bore | 7.3750 in | |
| d - Cone Bore | 187.325 mm | |
| B - Cone Width | 1.8750 in | |
| B - Cone Width | 47.625 mm | |
| C - Double Cup Width | 3.1250 in | |
| C - Double Cup Width | 79.375 mm | |
| T - Bearing Width across Cones | 4.2500 in | |
| T - Bearing Width across Cones | 107.950 mm | |
| Z - Number of Rollers Per Row | 29 | |
| Ka - Locking Pin Diameter | N/A | |
| Kb - Locking Pin Depth | N/A | |
| 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 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 | 8.15 in | |
| db - Cone Backface Backing Diameter | 207.00 mm | |
| Da - Cup Frontface Backing Diameter | 10.51 in | |
| Da - Cup Frontface Backing Diameter | 266.95 mm | |
| Aa - Cage-Cone Backface Clearance | 0.35 in | |
| Aa - Cage-Cone Backface Clearance | 8.90 mm | |
| C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) | 29700 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) | 132000 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) | 199000 lbf | Based on 1 x 106 revolutions L10 life, for the ISO life calculation method. |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) | 886000 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) | 51700 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) | 230000 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) | 21100 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) | 93900 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 | 1.41 | 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) | 575 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| G2 - Heat Generation Factor (Rib-Roller End) | 131 | |
| Cg - Geometry Factor | 0.116 | Geometry constant for Lubrication Life Adjustment Factor a3l. |
