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 | 280 mm |
| D - External diameter | 420 mm |
| B - Bearing/Inner ring width | 65 mm |
| E - Upper roller diameter | 384 mm |
| F - Under roller diameter | 316 mm |
| rs - Min fillet radius | 4 mm |
| r1s - Min fillet radius | 4 mm |
| Radial clearance class | CN |
| Mass | 30,9 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 730 kN |
| C0 - Static load | 1050 kN |
| Cu - Fatigue limit load | 88 kN |
| N lim - Oil lubrication limit speed | 1800 tr/min |
| N lim - Grease lubrication limit speed | 1500 tr/min |
| Tmin - Min operating temperature | -40 °C |
| Tmax - Max operating temperature | 120 °C |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 296 mm |
| da max - Small face shoulder max diameter | 312 mm |
| db min - Min inner ring GO diameter | 320 mm |
| Da max - Max shoulder diameter OR | 404 mm |
| ra max - Max fillet radius | 3 mm |
| r1a - Max fillet radius | 3 mm |
