639 - 632-B产品参数
| 参数 | 数据 | 说明 |
|---|---|---|
| Series | 635 | |
| Cone Part Number | 639 | |
| Cup Part Number | 632-B | |
| Design Units | Imperial | |
| Bearing Weight | 6.4000 lb | |
| Bearing Weight | 2.9000 Kg | |
| Cage Type | Stamped Steel | |
| D - Cup Outer Diameter | 5.3750 in | |
| D - Cup Outer Diameter | 136.525 mm | |
| D1 - Flange Outer Diameter | 5.6520 in | |
| D1 - Flange Outer Diameter | 143.561 mm | |
| d - Cone Bore | 2.5000 in | |
| d - Cone Bore | 63.500 mm | |
| B - Cone Width | 1.6250 in | |
| B - Cone Width | 41.275 mm | |
| C - Cup Width | 1.2500 in | |
| C - Cup Width | 31.750 mm | |
| C1 - Cup Flange Width | 0.2810 in | |
| C1 - Cup Flange Width | 7.137 mm | |
| T1 - Bearing Width | 1.6250 in | |
| T1 - Bearing Width | 41.275 mm | |
| T - Bearing Width to Flange | 0.6560 in | |
| T - Bearing Width to Flange | 16.662 mm | |
| Z - Number of Rollers Per Row | 18 | |
| 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 | 0.130 in | These maximum fillet radii will be cleared by the bearing corners. |
| r - Cup Backface "To Clear" Radius | 3.30 mm | These maximum fillet radii will be cleared by the bearing corners. |
| da - Cone Frontface Backing Diameter | 2.91 in | |
| da - Cone Frontface Backing Diameter | 73.90 mm | |
| db - Cone Backface Backing Diameter | 3.19 in | |
| db - Cone Backface Backing Diameter | 81.00 mm | |
| Da - Cup Frontface Backing Diameter | 4.96 in | |
| Da - Cup Frontface Backing Diameter | 125.98 mm | |
| Ab - Cage-Cone Frontface Clearance | 0.08 in | |
| Ab - Cage-Cone Frontface Clearance | 2.00 mm | |
| Aa - Cage-Cone Backface Clearance | 0.17 in | |
| Aa - Cage-Cone Backface Clearance | 4.30 mm | |
| a - Effective Center Location | -0.44 in | Negative value indicates effective center inside cone backface. |
| a - Effective Center Location | -11.20 mm | Negative value indicates effective center inside cone backface. |
| C90 - Dynamic Radial Rating (90 million revolutions) | 16100 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) | 71600 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) | 62100 lbf | Based on 1 x 106 revolutions L10 life, for the ISO life calculation method. |
| C1 - Dynamic Radial Rating (1 million revolutions) | 276000 N | Based on 1 x 106 revolutions L10 life, for the ISO life calculation method. |
| C0 - Static Radial Rating | 67000 lbf | |
| C0 - Static Radial Rating | 298000 N | |
| Ca90 - Dynamic Thrust Rating (90 million revolutions) | 9980 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) | 44400 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 | 1.61 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| e - ISO Factor | 0.36 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Y - ISO Factor | 1.66 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| G1 - Heat Generation Factor (Roller-Raceway) | 106 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| G2 - Heat Generation Factor (Rib-Roller End) | 21 | |
| Cg - Geometry Factor | 0.0814 | Geometry constant for Lubrication Life Adjustment Factor a3l. |
