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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 | 260 mm |
| D - External diameter | 480 mm |
| B - Bearing/Inner ring width | 80 mm |
| E - Upper roller diameter | 420 mm |
| F - Under roller diameter | 320 mm |
| d1 - IR flange outer diameter | 340 mm |
| rNs - Min fillet radius | 5 mm |
| rs - Min fillet radius | 5 mm |
| Radial clearance class | CN |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 1270 kN |
| C0 - Static load | 1660 kN |
| Cu - Fatigue limit load | 137 kN |
| N lim - Oil lubrication limit speed | 1600 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 | 280 mm |
| dc min - Min inner ring GO diameter | 323 mm |
| Da max - Max shoulder diameter OR | 460 mm |
| Db min - Small face shoulder min diameter | 426 mm |
| ra max - Max fillet radius | 4 mm |
| r1a - Max fillet radius | 4 mm |
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