280RU30R4产品参数
| 参数 | 数据 | 说明 |
|---|---|---|
| Design Units | Metric | |
| Bearing Weight | 53.9000 Kg | |
| Bearing Weight | 118.8000 lb | |
| Type | NU | |
| Tapered Bore | N | |
| D - Outer Diameter | 420.000 mm | |
| D - Outer Diameter | 16.5354 in | |
| d - Bore | 280.000 mm | |
| d - Bore | 11.0236 in | |
| C - Inner Ring Width | 106.000 mm | |
| C - Inner Ring Width | 4.1732 in | |
| B - Outer Ring Width | 106.000 mm | |
| B - Outer Ring Width | 4.1732 in | |
| Z - Number of Rollers Per Row | 22 | |
| da - Inner Ring Backing Diameter | 303.0 mm | |
| da - Inner Ring Backing Diameter | 11.90 in | |
| Da - Outer Ring Backing Diameter | 397.00 mm | |
| Da - Outer Ring Backing Diameter | 15.60 in | |
| C - Dynamic Radial Rating | 1690000 N | Based on 1 X 106 L10 life for the ISO life calculation method. |
| C - Dynamic Radial Rating | 380000 lbf | Based on 1 X 106 L10 life for the ISO life calculation method. |
| C0 - Static Radial Rating | 3040000 N | |
| C0 - Static Radial Rating | 683000 lbf | |
| Reference Thermal Speed Rating (Grease) | 670 | |
| Reference Thermal Speed Rating (Oil) | 740 | See thermal speed ratings in the engineering section. |
| Cg - Geometry Factor | 0.1916 | Geometry constant for Lubrication Life Adjustment Factor a3l. |
