NTN
Deep groove ball bearings 6888
Bearing NTN 6888, Ø440×540×46 mm. Request a quote — worldwide shipping.
Type Deep groove ball bearings
Dimensions
Ø 440 × 540 × 46 mm
d440Bore Ø (mm)
×
D540Outer Ø (mm)
×
B46Width (mm)
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In stock
Technical specifications
| Brand | NTN |
| d - Internal diameter | 440 mm |
| D - External diameter | 540 mm |
| B - Bearing/Inner ring width | 46 mm |
| rs - Min fillet radius | 2,1 mm |
| Radial clearance class | CN |
| Mass | 22,5 kg |
| C - Dynamic load | 292000000 mN |
| C0 - Static load | 420000000 mN |
| Cu - Fatigue limit load | 12600000 mN |
| f0 - Coefficient | 16 |
| N lim - Oil lubrication limit speed | 6600 °/s |
| N lim - Grease lubrication limit speed | 5700 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da min - Min shoulder diameter IR | 451 mm |
| Da max - Max shoulder diameter OR | 529 mm |
| ra max - Max shaft & housing fillet radius | 2 mm |
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NTN 6888