| 参数 | 数据 | 说明 |
|---|---|---|
| Design Unit | Metric | |
| Bearing Weight | 177.0000 Kg | |
| Bearing Weight | 390.2000 lb | |
| Cage Type | YMB | |
| UPC Code | 087796029095 | |
| Cage Material | BRASS | |
| D - Outer Diameter | 650.000 mm | |
| D - Outer Diameter | 25.5906 in | |
| d - Bore | 440.000 mm | |
| d - Bore | 17.3228 in | |
| B' - Inner Ring Width | 157.000 mm | |
| B' - Inner Ring Width | 6.1811 in | |
| B - Outer Ring Width | 157.000 mm | |
| B - Outer Ring Width | 6.1811 in | |
| Z - Number of Rollers Per Row | 28 | |
| 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 | 489.0 mm | |
| da - Inner Ring Backing Diameter | 19.25 in | |
| Da - Outer Ring Backing Diameter | 603.00 mm | |
| Da - Outer Ring Backing Diameter | 23.74 in | |
| D1 - Outer Ring Breakout Diameter | 589.000 mm | |
| D1 - Outer Ring Breakout Diameter | 23.1900 in | |
| C1(2) - Dynamic Radial Rating (Two-Rows) | 3750000 N | |
| C1(2) - Dynamic Radial Rating (Two-Rows) | 844000 lbf | |
| C0 - Static Radial Rating | 6970000 N | |
| C0 - Static Radial Rating | 1568000 lbf | |
| e - ISO Factor | 0.22 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Y0 - ISO Factor | 3.04 | These factors apply for both inch and metric calculations. See engineering |
| Y1 - ISO Factor | 4.53 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Y2 - ISO Factor | 2.97 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Reference Thermal Speed Rating (Grease) | 520 | |
| Reference Thermal Speed Rating (Oil) | 610 | See thermal speed ratings in the engineering section. |
| Cg - Geometry Factor | 0.1173 | Geometry constant for Lubrication Life Adjustment Factor a3l. |
















