NTN
Deep groove ball bearings 6311NC3
Bearing NTN 6311NC3, Ø55×120×29 mm. Request a quote — worldwide shipping.
Type Deep groove ball bearings
Dimensions
Ø 55 × 120 × 29 mm
d55Bore Ø (mm)
×
D120Outer Ø (mm)
×
B29Width (mm)
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In stock
Technical specifications
| Brand | NTN |
| d - Internal diameter | 55 mm |
| D - External diameter | 120 mm |
| B - Bearing/Inner ring width | 29 mm |
| a min - Min position Groove | 3,86 mm |
| a max - Max position groove | 4,06 mm |
| rs - Min fillet radius | 2 mm |
| rNs - Min fillet radius | 0,5 mm |
| D3 - Max bottom groove diameter | 115,21 mm |
| b min - Min groove width | 3,1 mm |
| b max - Max groove width | 3,4 mm |
| r0 max - Max bottom groove radius | 0,6 mm |
| Radial clearance class | C3 |
| Mass | 1,37 kg |
| C - Dynamic load | 79500000 mN |
| C0 - Static load | 45000000 mN |
| Cu - Fatigue limit load | 3500000 mN |
| f0 - Coefficient | 13.2 |
| N lim - Oil lubrication limit speed | 40800 °/s |
| N lim - Grease lubrication limit speed | 34800 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da min - Min shoulder diameter IR | 64 mm |
| Da max - Max shoulder diameter OR | 111 mm |
| ra max - Max shaft & housing fillet radius | 2 mm |
| rNa max - Max fillet radius on segment side | 0,5 mm |
NTN 6311NC3