Single row cylindrical roller bearing, floating, separable, polyamide 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 | 25 mm |
| D - External diameter | 52 mm |
| B - Bearing/Inner ring width | 15 mm |
| E - Upper roller diameter | 46,5 mm |
| F - Under roller diameter | 31,5 mm |
| D1 - OR flange inner diameter | 43,8 mm |
| rs - Min fillet radius | 1 mm |
| r1s - Min fillet radius | 0,6 mm |
| Radial clearance class | CN |
| Mass | 0,137 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 28,5 kN |
| C0 - Static load | 26,7 kN |
| Cu - Fatigue limit load | 3,25 kN |
| Nref - Reference thermal speed | 12000 tr/min |
| Nlim - Mechanical Limit Speed | 17000 tr/min |
| Nlim - Oil lubrication limit speed | 14000 tr/min |
| Nlim - Grease lubrication limit speed | 11000 tr/min |
| Tmin - Min operating temperature | -20 °C |
| Tmax - Max operating temperature | 120 °C |
| BEARING FREQUENCIES | |
|---|---|
| BPFO - Characteristic outer ring frequency (60 rpm) | 5,25 Hz |
| BPFI - Characteristic inner ring frequency (60 rpm) | 7,75 Hz |
| FTF - Characteristic cage frequency (60 rpm) | 0,404 Hz |
| BSF - Characteristic rolling element frequency (60 rpm) | 5,008 Hz |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 29 mm |
| da max - Small face shoulder max diameter | 31 mm |
| Da max - Max shoulder diameter OR | 47 mm |
| ra max - Max fillet radius | 1 mm |
| r1a - Max fillet radius | 0,6 mm |
