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 | 40 mm |
| D - External diameter | 80 mm |
| B - Bearing/Inner ring width | 18 mm |
| E - Upper roller diameter | 71,5 mm |
| F - Under roller diameter | 49,5 mm |
| D1 - OR flange inner diameter | 68,3 mm |
| rs - Min fillet radius | 1,1 mm |
| r1s - Min fillet radius | 1,1 mm |
| Radial clearance class | C3 |
| Mass | 0,38 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 54,4 kN |
| C0 - Static load | 53,8 kN |
| Cu - Fatigue limit load | 6,6 kN |
| N ref - Reference thermal speed | 7600 tr/min |
| N lim - Mechanical Limit Speed | 11000 tr/min |
| N lim - Oil lubrication limit speed | 8800 tr/min |
| N lim - Grease lubrication limit speed | 7300 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) | 5,727 Hz |
| BPFI - Over rolling frequency on inner (60 rpm) | 8,273 Hz |
| BSF - Over rolling frequency on rolling element (60 rpm) | 5,318 Hz |
| BRF - Rotational frequency – rolling element (60 rpm) | 2,659 Hz |
| FTF - Rotational frequency - cage (60 rpm) | 0,409 Hz |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 46,5 mm |
| da max - Small face shoulder max diameter | 49 mm |
| Da max - Max shoulder diameter OR | 73,5 mm |
| ra max - Max fillet radius | 1 mm |
| r1a - Max fillet radius | 1 mm |
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