NTN
Needle roller bearings RNA4868
Bearing NTN RNA4868, Ø370×420×80 mm. Request a quote — worldwide shipping.
Type Needle roller bearings
Dimensions
Ø 370 × 420 × 80 mm
d370Bore Ø (mm)
×
D420Outer Ø (mm)
×
B80Width (mm)
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In stock
Technical specifications
| Brand | NTN |
| Fw - Under rollers diameter | 370 mm |
| D - External diameter | 420 mm |
| C - Width of bearing, drawn cup or outer ring | 80 mm |
| rs - Min fillet radius | 2,1 mm |
| Lubrication hole on outer ring | Oui/Yes |
| k - Hole diameter | 5 mm |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 14 kg |
| Cr - Dynamic load rating | 655000000 mN |
| C0r - Static load rating | 1940000000 mN |
| N lim - Grease lubrication limit speed | 4500 °/s |
| N lim - Oil lubrication limit speed | 6600 °/s |
| Tmin - Min operating temperature | 253,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| Da max - Max shoulder diameter OR | 409 mm |
| ras max - Max shaft & housing fillet radius | 2 mm |
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NTN RNA4868