M268730 - M268710CD产品参数
| 参数 | 数据 | 说明 |
|---|---|---|
| Series | M268700 | |
| Cone Part Number | M268730 | |
| Cup Part Number | M268710CD | |
| Design Units | Imperial | |
| Bearing Weight | 535.4768 lb | |
| Bearing Weight | 242.8880 Kg | |
| Cage Type | Pin-Type | |
| D - Cup Outer Diameter | 23.2500 in | |
| D - Cup Outer Diameter | 590.550 mm | |
| d - Cone Bore | 15.0000 in | |
| d - Cone Bore | 381.000 mm | |
| B - Cone Width | 4.5000 in | |
| B - Cone Width | 114.300 mm | |
| C - Double Cup Width | 7.6250 in | |
| C - Double Cup Width | 193.675 mm | |
| T - Bearing Width across Cones | 9.6249 in | |
| T - Bearing Width across Cones | 244.472 mm | |
| Z - Number of Rollers Per Row | 36 | |
| Ka - Locking Pin Diameter | 1.5 in | |
| Ka - Locking Pin Diameter | 38.1 mm | |
| Kb - Locking Pin Depth | 0.594 in | |
| Kb - Locking Pin Depth | 15.1 mm | |
| R - Cone Backface "To Clear" Radius | 0.250 in | These maximum fillet radii will be cleared by the bearing corners. |
| R - Cone Backface "To Clear" Radius | 6.400 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 | 16.73 in | |
| db - Cone Backface Backing Diameter | 424.90 mm | |
| Da - Cup Frontface Backing Diameter | 22.14 in | |
| Da - Cup Frontface Backing Diameter | 562.36 mm | |
| Aa - Cage-Cone Backface Clearance | 0.42 in | |
| Aa - Cage-Cone Backface Clearance | 10.70 mm | |
| C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) | 166000 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) | 740000 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) | 1120000 lbf | Based on 1 x 106 revolutions L10 life, for the ISO life calculation method. |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) | 4970000 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) | 290000 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) | 1290000 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) | 94800 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) | 421000 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 | 1.76 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| e - ISO Factor | 0.7 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Y1 - ISO Factor | 0.97 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Y1 - ISO Factor | 1.44 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Y2 - ISO Factor | 1.44 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| G1 - Heat Generation Factor (Roller-Raceway) | 5750 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| G2 - Heat Generation Factor (Rib-Roller End) | 421 | |
| Cg - Geometry Factor | 0.232 | Geometry constant for Lubrication Life Adjustment Factor a3l. |
