| 参数 | 数据 | 说明 |
|---|---|---|
| Design Units | Metric | |
| Bearing Weight | 2.5000 Kg | |
| Bearing Weight | 5.5000 lb | |
| Type | NU | |
| Tapered Bore | N | |
| D - Outer Diameter | 180.000 mm | |
| D - Outer Diameter | 7.0866 in | |
| d - Bore | 120.000 mm | |
| d - Bore | 4.7244 in | |
| C - Inner Ring Width | 28.000 mm | |
| C - Inner Ring Width | 1.1024 in | |
| B - Outer Ring Width | 28.000 mm | |
| B - Outer Ring Width | 1.1024 in | |
| Z - Number of Rollers Per Row | 25 | |
| R - Inner Ring "To Clear" Radius | 1.00 mm | 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 | 0.10 in | Maximum shaft fillet radius that bearing corners will clear. |
| da - Inner Ring Backing Diameter | 131.0 mm | |
| da - Inner Ring Backing Diameter | 5.20 in | |
| Da - Outer Ring Backing Diameter | 0.00 mm | |
| Da - Outer Ring Backing Diameter | 0.00 in | |
| C - Dynamic Radial Rating | 158000 N | Based on 1 X 106 L10 life for the ISO life calculation method. |
| C - Dynamic Radial Rating | 35500 lbf | Based on 1 X 106 L10 life for the ISO life calculation method. |
| C0 - Static Radial Rating | 202000 N | |
| C0 - Static Radial Rating | 45400 lbf | |
| Reference Thermal Speed Rating (Grease) | 2900 | |
| Reference Thermal Speed Rating (Oil) | 3600 | See thermal speed ratings in the engineering section. |
| Cg - Geometry Factor | 0.0939 | Geometry constant for Lubrication Life Adjustment Factor a3l. |
















