NJ228EMA产品参数
| 参数 | 数据 | 说明 |
|---|---|---|
| Design Units | Metric | |
| Bearing Weight | 9.4000 Kg | |
| Bearing Weight | 20.7000 lb | |
| Type | NJ | |
| Tapered Bore | N | |
| D - Outer Diameter | 250.000 mm | |
| D - Outer Diameter | 9.8425 in | |
| d - Bore | 140.000 mm | |
| d - Bore | 5.5118 in | |
| C - Inner Ring Width | 42.000 mm | |
| C - Inner Ring Width | 1.6535 in | |
| B - Outer Ring Width | 42.000 mm | |
| B - Outer Ring Width | 1.6535 in | |
| Z - Number of Rollers Per Row | 19 | |
| R - Inner Ring "To Clear" Radius | 2.50 mm | Maximum housing fillet radius that bearing corners will clear. |
| R - Inner Ring "To Clear" Radius | 0.1 in | Maximum housing fillet radius that bearing corners will clear. |
| r - Outer Ring "To Clear" Radius | 2.50 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 | 162.0 mm | |
| da - Inner Ring Backing Diameter | 6.40 in | |
| Da - Outer Ring Backing Diameter | 0.00 mm | |
| Da - Outer Ring Backing Diameter | 0.00 in | |
| C - Dynamic Radial Rating | 443000 N | Based on 1 X 106 L10 life for the ISO life calculation method. |
| C - Dynamic Radial Rating | 99600 lbf | Based on 1 X 106 L10 life for the ISO life calculation method. |
| C0 - Static Radial Rating | 526000 N | |
| C0 - Static Radial Rating | 118000 lbf | |
| Reference Thermal Speed Rating (Grease) | 2200 | |
| Reference Thermal Speed Rating (Oil) | 2600 | See thermal speed ratings in the engineering section. |
| Cg - Geometry Factor | 0.1213 | Geometry constant for Lubrication Life Adjustment Factor a3l. |
