| 参数 | 数据 | 说明 |
|---|---|---|
| Design Unit | Metric | |
| Bore Taper | 1/12 | |
| Bearing Weight | 629.9000 Kg | |
| Bearing Weight | 1388.7000 lb | |
| Cage Type | YMB | |
| UPC Code | 087796161269 | |
| Cage Material | BRASS | |
| D - Outer Diameter | 870.000 mm | |
| D - Outer Diameter | 34.2520 in | |
| d - Bore | 530.000 mm | |
| d - Bore | 20.8661 in | |
| B' - Inner Ring Width | 272.000 mm | |
| B' - Inner Ring Width | 10.7087 in | |
| B - Outer Ring Width | 272.000 mm | |
| B - Outer Ring Width | 10.7087 in | |
| Z - Number of Rollers Per Row | 22 | |
| R - Inner Ring "To Clear" Radius | 6.00 mm | Maximum housing fillet radius that bearing corners will clear. |
| R - Inner Ring "To Clear" Radius | 0.24 in | Maximum housing fillet radius that bearing corners will clear. |
| r - Outer Ring "To Clear" Radius | 6.00 mm | Maximum shaft fillet radius that bearing corners will clear. |
| r - Outer Ring "To Clear" Radius | 0.24 in | Maximum shaft fillet radius that bearing corners will clear. |
| da - Inner Ring Backing Diameter | 602.9 mm | |
| da - Inner Ring Backing Diameter | 23.74 in | |
| Da - Outer Ring Backing Diameter | 793.00 mm | |
| Da - Outer Ring Backing Diameter | 31.22 in | |
| D1 - Outer Ring Breakout Diameter | 762.400 mm | |
| D1 - Outer Ring Breakout Diameter | 30.0200 in | |
| C1(2) - Dynamic Radial Rating (Two-Rows) | 8530000 N | |
| C1(2) - Dynamic Radial Rating (Two-Rows) | 1919000 lbf | |
| C0 - Static Radial Rating | 15100000 N | |
| C0 - Static Radial Rating | 3398000 lbf | |
| e - ISO Factor | 0.3 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Y0 - ISO Factor | 2.27 | These factors apply for both inch and metric calculations. See engineering |
| Y1 - ISO Factor | 3.38 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Y2 - ISO Factor | 2.22 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Reference Thermal Speed Rating (Grease) | 300 | |
| Reference Thermal Speed Rating (Oil) | 320 | See thermal speed ratings in the engineering section. |
| Cg - Geometry Factor | 0.1321 | Geometry constant for Lubrication Life Adjustment Factor a3l. |
















