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 | 70 mm |
| D - External diameter | 180 mm |
| B - Bearing/Inner ring width | 42 mm |
| E - Upper roller diameter | 152 mm |
| F - Under roller diameter | 100 mm |
| d1 - IR flange outer diameter | 110,5 mm |
| rs - Min fillet radius | 3 mm |
| r1s - Min fillet radius | 3 mm |
| Radial clearance class | CN |
| Mass | 5,33 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 253 kN |
| C0 - Static load | 236 kN |
| Cu - Fatigue limit load | 26,8 kN |
| N lim - Oil lubrication limit speed | 4000 tr/min |
| N lim - Grease lubrication limit speed | 3400 tr/min |
| Tmin - Min operating temperature | -40 °C |
| Tmax - Max operating temperature | 120 °C |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 83 mm |
| da max - Small face shoulder max diameter | 99 mm |
| dc min - Min inner ring GO diameter | 112 mm |
| Da max - Max shoulder diameter OR | 167 mm |
| ra max - Max fillet radius | 2,5 mm |
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