NTN
Cylindrical roller bearings NU238
Bearing NTN NU238, Ø190×340×55 mm. Request a quote — worldwide shipping.
Type Cylindrical roller bearings
Dimensions
Ø 190 × 340 × 55 mm
d190Bore Ø (mm)
×
D340Outer Ø (mm)
×
B55Width (mm)
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In stock
Technical specifications
| Brand | NTN |
| d - Internal diameter | 190 mm |
| D - External diameter | 340 mm |
| B - Bearing/Inner ring width | 55 mm |
| E - Upper roller diameter | 299 mm |
| F - Under roller diameter | 231 mm |
| D1 - OR flange inner diameter | 286,5 mm |
| rs - Min fillet radius | 4 mm |
| r1s - Min fillet radius | 4 mm |
| Radial clearance class | CN |
| Mass | 21,3 kg |
| C - Dynamic load | 615000000 mN |
| C0 - Static load | 770000000 mN |
| Cu - Fatigue limit load | 70000000 mN |
| N lim - Oil lubrication limit speed | 13200 °/s |
| N lim - Grease lubrication limit speed | 11400 °/s |
| Tmin - Min operating temperature | 233,15 °K |
| Tmax - Max operating temperature | 393,15 °K |
| da min - Min shoulder diameter IR | 206 mm |
| da max - Small face shoulder max diameter | 227 mm |
| db min - Min inner ring GO diameter | 234 mm |
| Da max - Max shoulder diameter OR | 324 mm |
| ra max - Max fillet radius | 3 mm |
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NTN NU238