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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