| 参数 | 数据 | 说明 |
|---|---|---|
| Design Unit | Metric | |
| Bore Taper | 1/12 | |
| Bearing Weight | 253.2000 Kg | |
| Bearing Weight | 558.3000 lb | |
| Cage Type | YMB | |
| UPC Code | 087796191365 | |
| Cage Material | BRASS | |
| D - Outer Diameter | 650.000 mm | |
| D - Outer Diameter | 25.5906 in | |
| d - Bore | 400.000 mm | |
| d - Bore | 15.7480 in | |
| B' - Inner Ring Width | 200.000 mm | |
| B' - Inner Ring Width | 7.8740 in | |
| B - Outer Ring Width | 200.000 mm | |
| B - Outer Ring Width | 7.8740 in | |
| Z - Number of Rollers Per Row | 22 | |
| R - Inner Ring "To Clear" Radius | 5.00 mm | Maximum housing fillet radius that bearing corners will clear. |
| R - Inner Ring "To Clear" Radius | 0.20 in | Maximum housing fillet radius that bearing corners will clear. |
| r - Outer Ring "To Clear" Radius | 5.00 mm | Maximum shaft fillet radius that bearing corners will clear. |
| r - Outer Ring "To Clear" Radius | 0.20 in | Maximum shaft fillet radius that bearing corners will clear. |
| da - Inner Ring Backing Diameter | 453.9 mm | |
| da - Inner Ring Backing Diameter | 17.87 in | |
| Da - Outer Ring Backing Diameter | 593.60 mm | |
| Da - Outer Ring Backing Diameter | 23.37 in | |
| D1 - Outer Ring Breakout Diameter | 571.800 mm | |
| D1 - Outer Ring Breakout Diameter | 22.5100 in | |
| C1(2) - Dynamic Radial Rating (Two-Rows) | 4770000 N | |
| C1(2) - Dynamic Radial Rating (Two-Rows) | 1073000 lbf | |
| C0 - Static Radial Rating | 8110000 N | |
| C0 - Static Radial Rating | 1825000 lbf | |
| e - ISO Factor | 0.29 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Y0 - ISO Factor | 2.32 | These factors apply for both inch and metric calculations. See engineering |
| Y1 - ISO Factor | 3.46 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Y2 - ISO Factor | 2.27 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Reference Thermal Speed Rating (Grease) | 450 | |
| Reference Thermal Speed Rating (Oil) | 500 | See thermal speed ratings in the engineering section. |
| Cg - Geometry Factor | 0.1099 | Geometry constant for Lubrication Life Adjustment Factor a3l. |
















