NTN
Deep groove ball bearings 6980
Bearing NTN 6980, Ø400×540×65 mm. Request a quote — worldwide shipping.
Type Deep groove ball bearings
Dimensions
Ø 400 × 540 × 65 mm
d400Bore Ø (mm)
×
D540Outer Ø (mm)
×
B65Width (mm)
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In stock
Technical specifications
| Brand | NTN |
| d - Internal diameter | 400 mm |
| D - External diameter | 540 mm |
| B - Bearing/Inner ring width | 65 mm |
| d1 - External diameter inner ring | 445,2 mm |
| D1 - Inner diameter outer ring | 494,8 mm |
| rs - Min fillet radius | 4 mm |
| Radial clearance class | CN |
| Mass | 42,1 kg |
| C - Dynamic load | 370000000 mN |
| C0 - Static load | 535000000 mN |
| Cu - Fatigue limit load | 16400000 mN |
| f0 - Coefficient | 16.5 |
| N lim - Oil lubrication limit speed | 7200 °/s |
| N lim - Grease lubrication limit speed | 5940 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da min - Min shoulder diameter IR | 416 mm |
| da max - Max shoulder diameter IR | 445 mm |
| Da max - Max shoulder diameter OR | 524 mm |
| ra max - Max shaft & housing fillet radius | 3 mm |
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NTN 6980