Single row cylindrical roller bearing, single direction for axial loads, separable, polyamide 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 | SNR |
| d - Internal diameter | 55 mm |
| D - External diameter | 120 mm |
| B - Bearing/Inner ring width | 43 mm |
| E - Upper roller diameter | 106,5 mm |
| F - Under roller diameter | 70,5 mm |
| d1 - IR flange outer diameter | 77,5 mm |
| D1 - OR flange inner diameter | 101,4 mm |
| rs - Min fillet radius | 2 mm |
| r1s - Min fillet radius | 2 mm |
| Radial clearance class | C3 |
| Mass | 2,27 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 204 kN |
| C0 - Static load | 238 kN |
| Cu - Fatigue limit load | 29 kN |
| N ref - Reference thermal speed | 4500 tr/min |
| N lim - Mechanical Limit Speed | 7100 tr/min |
| N lim - Oil lubrication limit speed | 5600 tr/min |
| N lim - Grease lubrication limit speed | 4500 tr/min |
| Tmin - Min operating temperature | -20 °C |
| Tmax - Max operating temperature | 120 °C |
| BEARING FREQUENCIES | |
|---|---|
| BPFO - Over rolling frequency on outer ring (60 rpm) | 5,178 Hz |
| BPFI - Over rolling frequency on inner (60 rpm) | 7,822 Hz |
| BSF - Over rolling frequency on rolling element (60 rpm) | 4,713 Hz |
| BRF - Rotational frequency – rolling element (60 rpm) | 2,357 Hz |
| FTF - Rotational frequency - cage (60 rpm) | 0,398 Hz |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 64 mm |
| da max - Small face shoulder max diameter | 69 mm |
| db min - Min inner ring GO diameter | 72 mm |
| dc min - Min inner ring GO diameter | 80 mm |
| Da max - Max shoulder diameter OR | 111 mm |
| ra max - Max fillet radius | 2 mm |
| r1a - Max fillet radius | 2 mm |
