67985 - 67920CD产品参数
| 参数 | 数据 | 说明 |
|---|---|---|
| Series | 67900 | |
| Cone Part Number | 67985 | |
| Cup Part Number | 67920CD | |
| Design Units | Imperial | |
| Bearing Weight | 38.1694 lb | |
| Bearing Weight | 17.3133 Kg | |
| Cage Type | Stamped Steel | |
| D - Cup Outer Diameter | 11.1250 in | |
| D - Cup Outer Diameter | 282.575 mm | |
| d - Cone Bore | 8.1250 in | |
| d - Cone Bore | 206.375 mm | |
| B - Cone Width | 1.8125 in | |
| B - Cone Width | 46.038 mm | |
| C - Double Cup Width | 3.2500 in | |
| C - Double Cup Width | 82.550 mm | |
| T - Bearing Width across Cones | 4.0000 in | |
| T - Bearing Width across Cones | 101.600 mm | |
| Z - Number of Rollers Per Row | 41 | |
| Ka - Locking Pin Diameter | 1 in | |
| Ka - Locking Pin Diameter | 25.4 mm | |
| Kb - Locking Pin Depth | 0.312 in | |
| Kb - Locking Pin Depth | 7.9 mm | |
| 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 | 8.82 in | |
| db - Cone Backface Backing Diameter | 224.00 mm | |
| Da - Cup Frontface Backing Diameter | 10.87 in | |
| Da - Cup Frontface Backing Diameter | 276.10 mm | |
| Aa - Cage-Cone Backface Clearance | 0.18 in | |
| Aa - Cage-Cone Backface Clearance | 4.60 mm | |
| C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) | 29300 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) | 130000 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) | 197000 lbf | Based on 1 x 106 revolutions L10 life, for the ISO life calculation method. |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) | 875000 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) | 51000 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) | 227000 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) | 25500 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) | 114000 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 | 1.15 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| e - ISO Factor | 1.15 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Y1 - ISO Factor | 0.59 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Y1 - ISO Factor | 0.87 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Y2 - ISO Factor | 0.87 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| G1 - Heat Generation Factor (Roller-Raceway) | 820 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| G2 - Heat Generation Factor (Rib-Roller End) | 172 | |
| Cg - Geometry Factor | 0.139 | Geometry constant for Lubrication Life Adjustment Factor a3l. |
