Single row cylindrical roller bearing, single direction for axial loads, separable, pressed steel 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 | 250 mm |
| B - Bearing/Inner ring width | 68 mm |
| E - Upper roller diameter | 221 mm |
| F - Under roller diameter | 169 mm |
| d1 - IR flange outer diameter | 179,5 mm |
| rs - Min fillet radius | 3 mm |
| r1s - Min fillet radius | 3 mm |
| Radial clearance class | C4 |
| Mass | 13,6 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 495 kN |
| C0 - Static load | 635 kN |
| Cu - Fatigue limit load | 63,5 kN |
| N lim - Oil lubrication limit speed | 2800 tr/min |
| N lim - Grease lubrication limit speed | 2400 tr/min |
| Tmin - Min operating temperature | -40 °C |
| Tmax - Max operating temperature | 120 °C |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 153 mm |
| da max - Small face shoulder max diameter | 166 mm |
| dc min - Min inner ring GO diameter | 182 mm |
| Da max - Max shoulder diameter OR | 237 mm |
| ra max - Max fillet radius | 2,5 mm |
