387A - 384XD产品参数
| 参数 | 数据 | 说明 |
|---|---|---|
| Series | 385 | |
| Cone Part Number | 387A | |
| Cup Part Number | 384XD | |
| Design Units | Imperial | |
| Bearing Weight | 5.5346 lb | |
| Bearing Weight | 2.5105 Kg | |
| Cage Type | Stamped Steel | |
| D - Cup Outer Diameter | 3.9370 in | |
| D - Cup Outer Diameter | 100.000 mm | |
| d - Cone Bore | 2.2500 in | |
| d - Cone Bore | 57.150 mm | |
| B - Cone Width | 0.8640 in | |
| B - Cone Width | 21.946 mm | |
| C - Double Cup Width | 3.7640 in | |
| C - Double Cup Width | 95.606 mm | |
| T - Bearing Width across Cones | 4.1389 in | |
| T - Bearing Width across Cones | 105.128 mm | |
| Z - Number of Rollers Per Row | 19 | |
| 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 | 0.03 in | These maximum fillet radii will be cleared by the bearing corners. |
| r - Cup Frontface "To Clear" Radius | 0.8 mm | These maximum fillet radii will be cleared by the bearing corners. |
| db - Cone Backface Backing Diameter | 2.76 in | |
| db - Cone Backface Backing Diameter | 70.10 mm | |
| Da - Cup Frontface Backing Diameter | 3.74 in | |
| Da - Cup Frontface Backing Diameter | 95.00 mm | |
| Aa - Cage-Cone Backface Clearance | 0.04 in | |
| Aa - Cage-Cone Backface Clearance | 1.00 mm | |
| C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) | 6280 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) | 28000 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) | 42200 lbf | Based on 1 x 106 revolutions L10 life, for the ISO life calculation method. |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) | 188000 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) | 10900 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) | 48700 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) | 3810 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) | 16900 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 | 1.65 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| e - ISO Factor | 0.75 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Y1 - ISO Factor | 0.90 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Y1 - ISO Factor | 1.34 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Y2 - ISO Factor | 1.34 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| G1 - Heat Generation Factor (Roller-Raceway) | 42 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| G2 - Heat Generation Factor (Rib-Roller End) | 15.7 | |
| Cg - Geometry Factor | 0.0859 | Geometry constant for Lubrication Life Adjustment Factor a3l. |
