Single row cylindrical roller bearing, single direction for axial loads, 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.
3D file
Technical datasheet
| PRODUCT DEFINITION | |
|---|---|
| Brand | SNR |
| d - Internal diameter | 20 mm |
| D - External diameter | 52 mm |
| B - Bearing/Inner ring width | 15 mm |
| E - Upper roller diameter | 45,5 mm |
| F - Under roller diameter | 27,5 mm |
| d1 - IR flange outer diameter | 31,3 mm |
| D1 - OR flange inner diameter | 42,4 mm |
| rs - Min fillet radius | 1,1 mm |
| r1s - Min fillet radius | 0,6 mm |
| Radial clearance class | C3 |
| Mass | 0,156 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 30,7 kN |
| C0 - Static load | 26 kN |
| Cu - Fatigue limit load | 3,15 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 | 12000 tr/min |
| Tmin - Min operating temperature | -20 °C |
| Tmax - Max operating temperature | 120 °C |
| BEARING FREQUENCIES | |
|---|---|
| BPFO - Characteristic outer ring frequency (60 rpm) | 3,767 Hz |
| BPFI - Characteristic inner ring frequency (60 rpm) | 6,233 Hz |
| FTF - Characteristic cage frequency (60 rpm) | 0,377 Hz |
| BSF - Characteristic rolling element frequency (60 rpm) | 3,809 Hz |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 26,5 mm |
| da max - Small face shoulder max diameter | 27 mm |
| db min - Min inner ring GO diameter | 30 mm |
| dc min - Min inner ring GO diameter | 33 mm |
| Da max - Max shoulder diameter OR | 45,5 mm |
| ra max - Max fillet radius | 1 mm |
| r1a - Max fillet radius | 0,6 mm |
