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 | 140 mm |
| D - External diameter | 300 mm |
| B - Bearing/Inner ring width | 102 mm |
| E - Upper roller diameter | 260 mm |
| F - Under roller diameter | 180 mm |
| D1 - OR flange inner diameter | 245 mm |
| rs - Min fillet radius | 4 mm |
| r1s - Min fillet radius | 4 mm |
| Radial clearance class | CN |
| Mass | 33,8 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 1020 kN |
| C0 - Static load | 1250 kN |
| Cu - Fatigue limit load | 120 kN |
| N lim - Oil lubrication limit speed | 2300 tr/min |
| N lim - Grease lubrication limit speed | 2000 tr/min |
| Tmin - Min operating temperature | -40 °C |
| Tmax - Max operating temperature | 120 °C |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 156 mm |
| da max - Small face shoulder max diameter | 176 mm |
| db min - Min inner ring GO diameter | 182 mm |
| Da max - Max shoulder diameter OR | 284 mm |
| ra max - Max fillet radius | 3 mm |
