NSK BL308NR
Product Details
| Bore Type | Tapered Bore |
| Enclosure | Open |
| Configuration | Double Row |
| Roller Profile | Symmetric |
| Center Guidance | Fixed Inner Ring Rib |
| Retainer Material | Machined Brass |
| Nr. of Holes | 8 |
| Weight | 116.000 kg |
| d | 380 mm |
| D | 560 mm |
| B | 135 mm |
| Fillet Radius/Chamfer | 5 mm |
| Groove Width A | 26 mm |
| Hole Diameter (do) | 12 mm |
| Dynamic Load Rating | 3,300,000 N |
| Static Load Rating | 4,700,000 N |
| Limiting Speed - Grease | 750 rpm |
| Limiting Speed - Oil | 940 rpm |
| Constant e | 0.23 |
| Axial Load Factor Y0 | 2.86 |
| Axial Load Factor Y1 | 2.92 |
| Axial Load Factor Y2 | 4.35 |
| Radial Clearance | 0.400 to 0.520 mm |
| da (min) | 402 mm |
| Da (max) | 538 mm |
| ra (max) | 4 mm |