Single row cylindrical roller bearing, floating, separable, pressed steel 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 | 50 mm |
| D - External diameter | 130 mm |
| B - Bearing/Inner ring width | 31 mm |
| E - Upper roller diameter | 110,8 mm |
| F - Under roller diameter | 70,8 mm |
| D1 - OR flange inner diameter | 104,3 mm |
| rs - Min fillet radius | 2,1 mm |
| r1s - Min fillet radius | 2,1 mm |
| Radial clearance class | CN |
| Mass | 2 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 130 kN |
| C0 - Static load | 125 kN |
| Cu - Fatigue limit load | 15,2 kN |
| N ref - Reference thermal speed | 5700 tr/min |
| N lim - Mechanical Limit Speed | 6800 tr/min |
| N lim - Oil lubrication limit speed | 5700 tr/min |
| N lim - Grease lubrication limit speed | 4700 tr/min |
| Tmin - Min operating temperature | -40 °C |
| Tmax - Max operating temperature | 120 °C |
| BEARING FREQUENCIES | |
|---|---|
| BPFO - Over rolling frequency on outer ring (60 rpm) | 3,899 Hz |
| BPFI - Over rolling frequency on inner (60 rpm) | 6,101 Hz |
| BSF - Over rolling frequency on rolling element (60 rpm) | 4,32 Hz |
| BRF - Rotational frequency – rolling element (60 rpm) | 2,16 Hz |
| FTF - Rotational frequency - cage (60 rpm) | 0,39 Hz |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 61 mm |
| da max - Small face shoulder max diameter | 69 mm |
| Da max - Max shoulder diameter OR | 119 mm |
| ra max - Max fillet radius | 2 mm |
| r1a - Max fillet radius | 2 mm |
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