| 参数 | 数据 | 说明 |
|---|---|---|
| Design Unit | Metric | |
| Bore Taper | 1/12 | |
| Bearing Weight | 821.2000 Kg | |
| Bearing Weight | 1810.5000 lb | |
| Cage Type | YMB | |
| UPC Code | 087796031784 | |
| Cage Material | BRASS | |
| D - Outer Diameter | 870.000 mm | |
| D - Outer Diameter | 34.2520 in | |
| d - Bore | 480.000 mm | |
| d - Bore | 18.8976 in | |
| B' - Inner Ring Width | 310.000 mm | |
| B' - Inner Ring Width | 12.2047 in | |
| B - Outer Ring Width | 310.000 mm | |
| B - Outer Ring Width | 12.2047 in | |
| Z - Number of Rollers Per Row | 19 | |
| 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 | 560.6 mm | |
| da - Inner Ring Backing Diameter | 22.07 in | |
| Da - Outer Ring Backing Diameter | 779.10 mm | |
| Da - Outer Ring Backing Diameter | 30.67 in | |
| D1 - Outer Ring Breakout Diameter | 739.200 mm | |
| D1 - Outer Ring Breakout Diameter | 29.1000 in | |
| C1(2) - Dynamic Radial Rating (Two-Rows) | 9860000 N | |
| C1(2) - Dynamic Radial Rating (Two-Rows) | 2219000 lbf | |
| C0 - Static Radial Rating | 16400000 N | |
| C0 - Static Radial Rating | 3690000 lbf | |
| e - ISO Factor | 0.35 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Y0 - ISO Factor | 1.92 | These factors apply for both inch and metric calculations. See engineering |
| Y1 - ISO Factor | 2.85 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Y2 - ISO Factor | 1.87 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Reference Thermal Speed Rating (Grease) | 250 | |
| Reference Thermal Speed Rating (Oil) | 270 | See thermal speed ratings in the engineering section. |
| Cg - Geometry Factor | 0.1278 | Geometry constant for Lubrication Life Adjustment Factor a3l. |
















