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 | 220 mm |
| D - External diameter | 340 mm |
| B - Bearing/Inner ring width | 56 mm |
| E - Upper roller diameter | 310 mm |
| F - Under roller diameter | 250 mm |
| D1 - OR flange inner diameter | 299 mm |
| rs - Min fillet radius | 3 mm |
| r1s - Min fillet radius | 3 mm |
| Radial clearance class | CN |
| Mass | 18,2 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 555 kN |
| C0 - Static load | 750 kN |
| Cu - Fatigue limit load | 67 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 | 233 mm |
| da max - Small face shoulder max diameter | 248 mm |
| db min - Min inner ring GO diameter | 254 mm |
| Da max - Max shoulder diameter OR | 327 mm |
| ra max - Max fillet radius | 2,5 mm |
| r1a - Max fillet radius | 2,5 mm |
