| 参数 | 数据 | 说明 |
|---|---|---|
| Series | L724300 | |
| Cone Part Number | JL724348 | |
| Cup Part Number | JL724314-B | |
| Design Units | Metric | |
| Bearing Weight | 1.7000 Kg | |
| Bearing Weight | 3.7000 lb | |
| Cage Type | Stamped Steel | |
| D - Cup Outer Diameter | 170.000 mm | |
| D - Cup Outer Diameter | 6.6929 in | |
| D1 - Flange Outer Diameter | 177.000 mm | |
| D1 - Flange Outer Diameter | 6.9685 in | |
| d - Cone Bore | 120.000 mm | |
| d - Cone Bore | 4.7244 in | |
| B - Cone Width | 25.400 mm | |
| B - Cone Width | 1.0000 in | |
| C - Cup Width | 19.050 mm | |
| C - Cup Width | 0.7500 in | |
| C1 - Cup Flange Width | 5.000 mm | |
| C1 - Cup Flange Width | 0.1969 in | |
| T1 - Bearing Width | 25.400 mm | |
| T1 - Bearing Width | 1.0000 in | |
| T - Bearing Width to Flange | 11.350 mm | |
| T - Bearing Width to Flange | 0.4469 in | |
| Z - Number of Rollers Per Row | 33 | |
| R - Cone Backface "To Clear" Radius | 3.300 mm | These maximum fillet radii will be cleared by the bearing corners. |
| R - Cone 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. |
| r - Cup Backface "To Clear" Radius | 0.130 in | These maximum fillet radii will be cleared by the bearing corners. |
| da - Cone Frontface Backing Diameter | 127.00 mm | |
| da - Cone Frontface Backing Diameter | 5.00 in | |
| db - Cone Backface Backing Diameter | 132.10 mm | |
| db - Cone Backface Backing Diameter | 5.20 in | |
| Da - Cup Frontface Backing Diameter | 164.59 mm | |
| Da - Cup Frontface Backing Diameter | 6.48 in | |
| Ab - Cage-Cone Frontface Clearance | 1.30 mm | |
| Ab - Cage-Cone Frontface Clearance | 0.05 in | |
| Aa - Cage-Cone Backface Clearance | 2.80 mm | |
| Aa - Cage-Cone Backface Clearance | 0.11 in | |
| a - Effective Center Location | 7.90 mm | Negative value indicates effective center inside cone backface. |
| a - Effective Center Location | 0.31 in | Negative value indicates effective center inside cone backface. |
| C90 - Dynamic Radial Rating (90 million revolutions) | 37600 N | 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) | 8450 lbf | 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) | 145000 N | Based on 1 x 106 revolutions L10 life, for the ISO life calculation method. |
| C1 - Dynamic Radial Rating (1 million revolutions) | 32600 lbf | Based on 1 x 106 revolutions L10 life, for the ISO life calculation method. |
| C0 - Static Radial Rating | 231000 N | |
| C0 - Static Radial Rating | 52000 lbf | |
| Ca90 - Dynamic Thrust Rating (90 million revolutions) | 29500 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) | 6640 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. |
| K - Factor | 1.27 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| e - ISO Factor | 0.46 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Y - ISO Factor | 1.31 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| G1 - Heat Generation Factor (Roller-Raceway) | 170 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| G2 - Heat Generation Factor (Rib-Roller End) | 70.6 | |
| Cg - Geometry Factor | 0.147 | Geometry constant for Lubrication Life Adjustment Factor a3l. |
















