Single row cylindrical roller bearing, floating, 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 | 65 mm |
| D - External diameter | 140 mm |
| B - Bearing/Inner ring width | 48 mm |
| E - Upper roller diameter | 124,5 mm |
| F - Under roller diameter | 82,5 mm |
| D1 - OR flange inner diameter | 118,6 mm |
| rs - Min fillet radius | 2,1 mm |
| r1s - Min fillet radius | 2,1 mm |
| Radial clearance class | CN |
| Mass | 3,32 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 247 kN |
| C0 - Static load | 287 kN |
| Cu - Fatigue limit load | 34,6 kN |
| N ref - Reference thermal speed | 4100 tr/min |
| N lim - Mechanical Limit Speed | 6000 tr/min |
| N lim - Oil lubrication limit speed | 4800 tr/min |
| N lim - Grease lubrication limit speed | 3900 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) | 5,181 Hz |
| BPFI - Over rolling frequency on inner (60 rpm) | 7,819 Hz |
| BSF - Over rolling frequency on rolling element (60 rpm) | 4,726 Hz |
| BRF - Rotational frequency – rolling element (60 rpm) | 2,363 Hz |
| FTF - Rotational frequency - cage (60 rpm) | 0,399 Hz |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 76 mm |
| da max - Small face shoulder max diameter | 81 mm |
| Da max - Max shoulder diameter OR | 129 mm |
| ra max - Max fillet radius | 2 mm |
| r1a - Max fillet radius | 2 mm |
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