NTN
Cylindrical roller bearings NU248
Bearing NTN NU248, Ø240×440×72 mm. Request a quote — worldwide shipping.
Type Cylindrical roller bearings
Dimensions
Ø 240 × 440 × 72 mm
d240Bore Ø (mm)
×
D440Outer Ø (mm)
×
B72Width (mm)
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In stock
Technical specifications
| Brand | NTN |
| d - Internal diameter | 240 mm |
| D - External diameter | 440 mm |
| B - Bearing/Inner ring width | 72 mm |
| E - Upper roller diameter | 385 mm |
| F - Under roller diameter | 295 mm |
| rs - Min fillet radius | 4 mm |
| r1s - Min fillet radius | 4 mm |
| Radial clearance class | CN |
| Mass | 50,2 kg |
| C - Dynamic load | 1040000000 mN |
| C0 - Static load | 1340000000 mN |
| Cu - Fatigue limit load | 113000000 mN |
| N lim - Oil lubrication limit speed | 10200 °/s |
| N lim - Grease lubrication limit speed | 9000 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da min - Min shoulder diameter IR | 256 mm |
| da max - Small face shoulder max diameter | 293 mm |
| db min - Min inner ring GO diameter | 298 mm |
| Da max - Max shoulder diameter OR | 424 mm |
| ra max - Max fillet radius | 3 mm |
| r1a - Max fillet radius | 3 mm |
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NTN NU248