| 参数 | 数据 | 说明 |
|---|---|---|
| Series | LM29700 | |
| Cone Part Number | LM29748 | |
| Cup Part Number | LM29710 | |
| Design Units | Imperial | |
| Bearing Weight | 0.50 lb | |
| Bearing Weight | 0.200 Kg | |
| Cage Type | Stamped Steel | |
| D - Cup Outer Diameter | 2.5625 in | |
| D - Cup Outer Diameter | 65.088 mm | |
| d - Cone Bore | 1.5000 in | |
| d - Cone Bore | 38.100 mm | |
| B - Cone Width | 0.7200 in | |
| B - Cone Width | 18.288 mm | |
| C - Cup Width | 0.5500 in | |
| C - Cup Width | 13.970 mm | |
| T - Bearing Width | 0.7100 in | |
| T - Bearing Width | 18.034 mm | |
| Z - Number of Rollers Per Row | 21 | |
| 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 | 3.560 mm | These maximum fillet radii will be cleared by the bearing corners. |
| r - Cup Backface "To Clear" Radius | 0.050 in | These maximum fillet radii will be cleared by the bearing corners. |
| r - Cup Backface "To Clear" Radius | 1.27 mm | These maximum fillet radii will be cleared by the bearing corners. |
| da - Cone Frontface Backing Diameter | 1.67 in | |
| da - Cone Frontface Backing Diameter | 42.42 mm | |
| db - Cone Backface Backing Diameter | 1.93 in | |
| db - Cone Backface Backing Diameter | 49.02 mm | |
| Da - Cup Frontface Backing Diameter | 2.46 in | |
| Da - Cup Frontface Backing Diameter | 62.00 mm | |
| Db - Cup Backface Backing Diameter | 2.32 in | |
| Db - Cup Backface Backing Diameter | 58.93 mm | |
| Ab - Cage-Cone Frontface Clearance | 0.04 in | |
| Ab - Cage-Cone Frontface Clearance | 1.02 mm | |
| Aa - Cage-Cone Backface Clearance | 0.03 in | |
| Aa - Cage-Cone Backface Clearance | 0.76 mm | |
| a - Effective Center Location | -0.16 in | Negative value indicates effective center inside cone backface. |
| a - Effective Center Location | -4.10 mm | Negative value indicates effective center inside cone backface. |
| C90 - Dynamic Radial Rating (90 million revolutions) | 2830 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) | 12600 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) | 10900 lbf | Based on 1 x 106 revolutions L10 life, for the ISO life calculation method. |
| C1 - Dynamic Radial Rating (1 million revolutions) | 48600 N | Based on 1 x 106 revolutions L10 life, for the ISO life calculation method. |
| C0 - Static Radial Rating | 13600 lbf | |
| C0 - Static Radial Rating | 60300 N | |
| Ca90 - Dynamic Thrust Rating (90 million revolutions) | 1610 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) | 7170 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 | 0.33 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Y - ISO Factor | 1.8 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| G1 - Heat Generation Factor (Roller-Raceway) | 20.4 | |
| G2 - Heat Generation Factor (Rib-Roller End) | 15 | |
| Cg - Geometry Factor | 0.0666 |
















