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 | 180 mm |
| D - External diameter | 320 mm |
| B - Bearing/Inner ring width | 86 mm |
| E - Upper roller diameter | 282 mm |
| F - Under roller diameter | 218 mm |
| d1 - IR flange outer diameter | 230,5 mm |
| rNs - Min fillet radius | 4 mm |
| rs - Min fillet radius | 4 mm |
| Radial clearance class | CN |
| Mass | 28,4 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 825 kN |
| C0 - Static load | 1140 kN |
| Cu - Fatigue limit load | 106 kN |
| N lim - Oil lubrication limit speed | 2200 tr/min |
| N lim - Grease lubrication limit speed | 1800 tr/min |
| Tmin - Min operating temperature | -40 °C |
| Tmax - Max operating temperature | 120 °C |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 196 mm |
| db min - Min inner ring GO diameter | 221 mm |
| Da max - Max shoulder diameter OR | 304 mm |
| Db min - Small face shoulder min diameter | 287 mm |
| ra max - Max fillet radius | 3 mm |
| r1a - Max fillet radius | 3 mm |
