SKF CRB Series
Category：
Railway Bearings
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Product Description
SKF cylindrical roller axlebox bearings are manufactured in several designs, the main difference being in the configuration of the flanges.
NJ / NJP design also called WJ / WJP. A typical axlebox assembly is equipped with a set of NJ / NJP (WJ / WJP) cylindrical roller bearings.
This design is offered for full bore axleboxes with a closed front cover. The main benefit is a rather small bearing width providing a shorter axle journal, which results in reduced axle bending.
| Bearing Number | Size | Dimensions | ||
| d mm | D mm | H mm | ||
| WJ / WJP 90 x 160P | CRB 90 x 160 | 90 | 160 | 104,8 |
| WJ / WJP 100 x 180P | CRB 100 x 180 | 100 | 180 | 120,6 |
| WJ / WJP 120 x 215P | CRB 120 x 215 | 120 | 215 | 146 |
| WJ / WJP 120 x 240P | CRB 120 x 240 | 120 | 240 | 160 |
| WJ / WJP 130 x 220P | CRB 130 x 220 | 130 | 220 | 122 |
| WJ / WJP 130 x 240P | CRB 130 x 240 | 130 | 240 | 160 |
| WJ / WJP 130 x 250P | CRB 130 x 250 | 130 | 250 | 160 |
| NJ 2230 EC / NU 2230 EC / HJ 2230 EC | CRB 150 x 270 | 150 | 270 | 146 |
| NJ 2236 EC / NJP 2236 EC | CRB 180 x 320 | 180 | 320 | 172 |
| 229750 | SRB 130 x 220 | 130 | 220 | 73 |
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