Single row cylindrical roller bearing, floating, separable, brass cage
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 DEFINITION | |
|---|---|
| Brand | SNR |
| d - Internal diameter | 30 mm |
| D - External diameter | 62 mm |
| B - Bearing/Inner ring width | 20 mm |
| E - Upper roller diameter | 55,5 mm |
| F - Under roller diameter | 37,5 mm |
| D1 - OR flange inner diameter | 52,5 mm |
| rs - Min fillet radius | 1 mm |
| r1s - Min fillet radius | 0,6 mm |
| Radial clearance class | C4 |
| Mass | 0,255 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 50,2 kN |
| C0 - Static load | 51,5 kN |
| Cu - Fatigue limit load | 6,3 kN |
| N ref - Reference thermal speed | 8100 tr/min |
| N lim - Mechanical Limit Speed | 18000 tr/min |
| N lim - Oil lubrication limit speed | 11000 tr/min |
| N lim - Grease lubrication limit speed | 9500 tr/min |
| Tmin - Min operating temperature | -40 °C |
| Tmax - Max operating temperature | 120 °C |
| BEARING FREQUENCIES | |
|---|---|
| BPFO - Characteristic outer ring frequency (60 rpm) | 5,242 Hz |
| BPFI - Characteristic inner ring frequency (60 rpm) | 7,758 Hz |
| FTF - Characteristic cage frequency (60 rpm) | 0,403 Hz |
| BSF - Characteristic rolling element frequency (60 rpm) | 4,973 Hz |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 34 mm |
| da max - Small face shoulder max diameter | 37 mm |
| Da max - Max shoulder diameter OR | 57 mm |
| ra max - Max fillet radius | 1 mm |
| r1a - Max fillet radius | 0,6 mm |
