AST RNA6928 needle roller bearings
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| Bore Type | Tapered Bore |
| Enclosure | Open |
| Configuration | Double Row |
| Roller Profile | Asymmetric |
| Center Guidance | Fixed Inner Ring Rib |
| Retainer Material | Machined Brass |
| Nr. of Holes | 4 |
| Weight | 1.690 kg |
| d | 70 mm |
| D | 125 mm |
| B | 31 mm |
| Fillet Radius/Chamfer | 1.5 mm |
| Groove Width A | 6 mm |
| Hole Diameter (do) | 3 mm |
| Dynamic Load Rating | 225,000 N |
| Static Load Rating | 185,000 N |
| Limiting Speed – Grease | 5,400 rpm |
| Limiting Speed – Oil | 6,900 rpm |
| Constant e | 0.28 |
| Axial Load Factor Y0 | 2.33 |
| Axial Load Factor Y1 | 2.39 |
| Axial Load Factor Y2 | 3.55 |
| Radial Clearance | 0.070 to 0.095 mm |
| da (min) | 78.5 mm |
| Da (max) | 116.5 mm |
| ra (max) | 1.5 mm |
Detailed Parameters
parameter：
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