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 | 62 mm |
| E - Upper roller diameter | 260 mm |
| F - Under roller diameter | 180 mm |
| d1 - IR flange outer diameter | 196 mm |
| rs - Min fillet radius | 4 mm |
| r1s - Min fillet radius | 4 mm |
| Radial clearance class | CN |
| Mass | 20,7 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 685 kN |
| C0 - Static load | 745 kN |
| Cu - Fatigue limit load | 72 kN |
| N lim - Oil lubrication limit speed | 2700 tr/min |
| N lim - Grease lubrication limit speed | 2300 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 - Max shoulder diameter OR | 284 mm |
| Db min - Small face shoulder min diameter | 264 mm |
| Dc max - Max outer ring GO diameter | 258 mm |
| ra max - Max fillet radius | 3 mm |
| r1a - Max fillet radius | 3 mm |
