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.
3D file
Technical datasheet
Specs
PRODUCT DIMENSIONS | |
|---|---|
| Internal diameter (d) | 20 mm |
| External diameter (D) | 52 mm |
| Bearing/Inner ring width (B) | 15 mm |
| Upper roller diameter E | 45,5 mm |
| Under roller diameter F | 27,5 mm |
| OR flange inner diameter D1 | 42,4 mm |
| Min fillet radius (rs) | 1,1 mm |
| Min fillet radius r1s | 0,6 mm |
| Radial clearance class | CN |
| Mass | 0,14 kg |
| Brand | SNR |
PRODUCT PERFORMANCE | |
|---|---|
| Dynamic load (C) | 30,7 kN |
| Static load (C0) | 26 kN |
| Fatigue limit load (Cu) | 3,15 kN |
| Reference thermal speed (Nref) | 12000 tr/min |
| Mechanical Limit Speed (Nlim) | 17000 tr/min |
| Nlim (oil) | 14000 tr/min |
| Nlim (grease) | 12000 tr/min |
| Min operating temperature (Tmin) | -20 °C |
| Max operating temperature (Tmax) | 120 °C |
| Characteristic cage frequency, FTF | 0,377 Hz |
| Characteristic rolling element frequency, BSF | 3,809 Hz |
| Characteristic outer ring frequency, BPF0 | 3,767 Hz |
| Characteristic inner ring frequency, BPFI | 6,233 Hz |
ABUTMENT | |
|---|---|
| Min shoulder diameter IR (da min) | 24 mm |
| Small face shoulder max diameter da max | 27 mm |
| Max shoulder diameter OR (Da max) | 45,5 mm |
| Max fillet radius ra max | 1 mm |
| Maxi fillet radius r1a | 0,6 mm |
