NSK NA4913TT needle roller bearings
High Tapered Bore Bore Type Quality NSK NA4913TT needle roller bearings. Competitive Pricing. Accept Open Enclosure Small Order. Easy and Fast Shipping.
| 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 | 187.000 kg |
| d | 260 mm |
| D | 540 mm |
| B | 165 mm |
| Fillet Radius/Chamfer | 6 mm |
| Groove Width A | 32 mm |
| Hole Diameter (do) | 15 mm |
| Dynamic Load Rating | 4,350,000 N |
| Static Load Rating | 4,750,000 N |
| Limiting Speed – Grease | 900 rpm |
| Limiting Speed – Oil | 1,100 rpm |
| Constant e | 0.33 |
| Axial Load Factor Y0 | 1.99 |
| Axial Load Factor Y1 | 2.04 |
| Axial Load Factor Y2 | 3.03 |
| Radial Clearance | 0.220 to 0.300 mm |
| da (min) | 288 mm |
| Da (max) | 512 mm |
| ra (max) | 5 mm |
Detailed Parameters
parameter：
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