Single row cylindrical roller bearing, floating, separable, brass cage
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In the cylindrical roller bearing range, the single row roller bearing withstands high radial loads. The standard ISO ranges (NU, N, NJ, NF, NUP, NH, RNU, HJ) are available with different types of cage, bore diameters, shoulder rings.
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Product information
| PRODUCT DEFINITION | |
|---|---|
| Brand | NTN |
| d - Internal diameter | 320 mm |
| D - External diameter | 480 mm |
| B - Bearing/Inner ring width | 74 mm |
| E - Upper roller diameter | 440 mm |
| F - Under roller diameter | 360 mm |
| rs - Min fillet radius | 4 mm |
| r1s - Min fillet radius | 4 mm |
| Radial clearance class | C4 |
| Mass | 46 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 970 kN |
| C0 - Static load | 1410 kN |
| Cu - Fatigue limit load | 113 kN |
| N lim - Oil lubrication limit speed | 1500 tr/min |
| N lim - Grease lubrication limit speed | 1300 tr/min |
| Tmin - Min operating temperature | -40 °C |
| Tmax - Max operating temperature | 120 °C |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 336 mm |
| da max - Small face shoulder max diameter | 356 mm |
| db min - Min inner ring GO diameter | 364 mm |
| Da max - Max shoulder diameter OR | 464 mm |
| ra max - Max fillet radius | 3 mm |
| r1a - Max fillet radius | 3 mm |
