NU20/630EMAW220产品参数
| 参数 | 数据 | 说明 |
|---|---|---|
| Design Units | Metric | |
| Bearing Weight | 386.1000 Kg | |
| Bearing Weight | 851.2000 lb | |
| Type | NU | |
| Tapered Bore | N | |
| D - Outer Diameter | 920.000 mm | |
| D - Outer Diameter | 36.2205 in | |
| d - Bore | 630.000 mm | |
| d - Bore | 24.8031 in | |
| C - Inner Ring Width | 170.000 mm | |
| C - Inner Ring Width | 6.6929 in | |
| B - Outer Ring Width | 170.000 mm | |
| B - Outer Ring Width | 6.6929 in | |
| Z - Number of Rollers Per Row | 25 | |
| R - Inner Ring "To Clear" Radius | 6.00 mm | Maximum housing fillet radius that bearing corners will clear. |
| R - Inner Ring "To Clear" Radius | 0.20 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 | 0.20 in | Maximum shaft fillet radius that bearing corners will clear. |
| da - Inner Ring Backing Diameter | 685.0 mm | |
| da - Inner Ring Backing Diameter | 27.00 in | |
| Da - Outer Ring Backing Diameter | 855.00 mm | |
| Da - Outer Ring Backing Diameter | 33.70 in | |
| C - Dynamic Radial Rating | 5390000 N | Based on 1 X 106 L10 life for the ISO life calculation method. |
| C - Dynamic Radial Rating | 1210000 lbf | Based on 1 X 106 L10 life for the ISO life calculation method. |
| C0 - Static Radial Rating | 9570000 N | |
| C0 - Static Radial Rating | 2150000 lbf | |
| Reference Thermal Speed Rating (Grease) | 240 | |
| Reference Thermal Speed Rating (Oil) | 260 | See thermal speed ratings in the engineering section. |
| Cg - Geometry Factor | 0.3329 | Geometry constant for Lubrication Life Adjustment Factor a3l. |
