NTN MR202820 needle roller bearings
We Provide Extensive NTN MR202820 needle roller bearings Selection Open Enclosure And Cylindrical Bore Bore Type Competitive Wholesale Pricing.
| Bore Type | Cylindrical Bore |
| Enclosure | Open |
| Configuration | Double Row |
| Roller Profile | Symmetric |
| Center Guidance | Floating Steel Ring |
| Retainer Material | Pressed Steel |
| Nr. of Holes | 4 |
| Weight | 1.740 kg |
| d | 75 mm |
| D | 130 mm |
| B | 31 mm |
| Fillet Radius/Chamfer | 1.5 mm |
| Groove Width A | 6 mm |
| Hole Diameter (do) | 3 mm |
| Dynamic Load Rating | 265,000 N |
| Static Load Rating | 234,000 N |
| Limiting Speed – Grease | 4,400 rpm |
| Limiting Speed – Oil | 5,300 rpm |
| Constant e | 0.22 |
| Axial Load Factor Y0 | 3.01 |
| Axial Load Factor Y1 | 3.07 |
| Axial Load Factor Y2 | 4.58 |
| Radial Clearance | 0.050 to 0.080 mm |
| da (min) | 83.5 mm |
| Da (max) | 121.5 mm |
| ra (max) | 1.5 mm |
Detailed Parameters
parameter：
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