72225C - 72488D产品参数
| 参数 | 数据 | 说明 |
|---|---|---|
| Series | 72000C | |
| Cone Part Number | 72225C | |
| Cup Part Number | 72488D | |
| Design Units | Imperial | |
| Bearing Weight | 8.9482 lb | |
| Bearing Weight | 4.0588 Kg | |
| Cage Type | Stamped Steel | |
| D - Cup Outer Diameter | 4.8750 in | |
| D - Cup Outer Diameter | 123.825 mm | |
| d - Cone Bore | 2.2500 in | |
| d - Cone Bore | 57.150 mm | |
| B - Cone Width | 1.2910 in | |
| B - Cone Width | 32.791 mm | |
| C - Double Cup Width | 2.1875 in | |
| C - Double Cup Width | 55.563 mm | |
| T - Bearing Width across Cones | 3.0624 in | |
| T - Bearing Width across Cones | 77.785 mm | |
| Z - Number of Rollers Per Row | 16 | |
| Ka - Locking Pin Diameter | N/A | |
| Kb - Locking Pin Depth | N/A | |
| 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 | 0.06 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 | 3.19 in | |
| db - Cone Backface Backing Diameter | 81.00 mm | |
| Da - Cup Frontface Backing Diameter | 4.56 in | |
| Da - Cup Frontface Backing Diameter | 115.82 mm | |
| Aa - Cage-Cone Backface Clearance | 0.19 in | |
| Aa - Cage-Cone Backface Clearance | 4.80 mm | |
| C90 - Dynamic Radial Rating (One-Row, 90 million revolutions) | 12500 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) | 55500 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) | 83900 lbf | Based on 1 x 106 revolutions L10 life, for the ISO life calculation method. |
| C1 - Dynamic Radial Rating (Two-Row, 1 million revolutions) | 373000 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) | 21700 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) | 96700 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) | 15800 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) | 70100 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 | 0.79 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| e - ISO Factor | 1.94 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Y1 - ISO Factor | 0.35 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Y1 - ISO Factor | 0.52 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Y2 - ISO Factor | 0.52 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| G1 - Heat Generation Factor (Roller-Raceway) | 57.4 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| G2 - Heat Generation Factor (Rib-Roller End) | 13.5 | |
| Cg - Geometry Factor | 0.0825 | Geometry constant for Lubrication Life Adjustment Factor a3l. |
