| 参数 | 数据 | 说明 |
|---|---|---|
| Design Unit | Metric | |
| Bearing Weight | 3.3000 Kg | |
| Bearing Weight | 7.40 lb | |
| Cage Type | EM | |
| Cage Material | BRASS | |
| Superseded Part | 22218YMW33W800 | |
| D - Outer Diameter | 159.993 mm | |
| D - Outer Diameter | 6.2989 in | |
| d - Bore | 90.000 mm | |
| d - Bore | 3.5433 in | |
| B' - Inner Ring Width | 40.000 mm | |
| B' - Inner Ring Width | 1.5748 in | |
| B - Outer Ring Width | 40.000 mm | |
| B - Outer Ring Width | 1.5748 in | |
| Z - Number of Rollers Per Row | 18 | |
| R - Inner Ring "To Clear" Radius | 2.00 mm | Maximum housing fillet radius that bearing corners will clear. |
| R - Inner Ring "To Clear" Radius | 0.08 in | Maximum housing fillet radius that bearing corners will clear. |
| r - Outer Ring "To Clear" Radius | 2.00 mm | Maximum shaft fillet radius that bearing corners will clear. |
| r - Outer Ring "To Clear" Radius | 0.08 in | Maximum shaft fillet radius that bearing corners will clear. |
| da - Inner Ring Backing Diameter | 105.3 mm | |
| da - Inner Ring Backing Diameter | 4.15 in | |
| Da - Outer Ring Backing Diameter | 146.3 mm | |
| Da - Outer Ring Backing Diameter | 5.76 in | |
| D1 - Outer Ring Breakout Diameter | 142.700 mm | |
| D1 - Outer Ring Breakout Diameter | 5.6200 in | |
| C1(2) - Dynamic Radial Rating (Two-Rows) | 355000 N | |
| C1(2) - Dynamic Radial Rating (Two-Rows) | 80000 lbf | |
| C0 - Static Radial Rating | 388000 N | |
| C0 - Static Radial Rating | 87000 lbf | |
| e - ISO Factor | 0.23 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Y0 - ISO Factor | 2.9 | These factors apply for both inch and metric calculations. See engineering |
| Y1 - ISO Factor | 4.31 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Y2 - ISO Factor | 2.83 | These factors apply for both inch and metric calculations. Consult your Timken representative for instruction on use. |
| Reference Thermal Speed Rating (Grease) | 3300 | |
| Reference Thermal Speed Rating (Oil) | 4000 | See thermal speed ratings in the engineering section. |
| Cg - Geometry Factor | 0.0502 | Geometry constant for Lubrication Life Adjustment Factor a3l. |
















