Self-aligning ball bearing, polyamide cage, open
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| PRODUCT DEFINITION | |
|---|---|
| Brand | SNR |
| d - Internal diameter | 20 mm |
| D - External diameter | 47 mm |
| B - Bearing/Inner ring width | 18 mm |
| d1 - External diameter inner ring | 28 mm |
| D1 - Inner diameter outer ring | 39,9 mm |
| rs - Min fillet radius | 1 mm |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 0,136 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 14,3 kN |
| C0 - Static load | 3,55 kN |
| Cu - Fatigue limit load | 0,16 kN |
| e - Coefficient | 0.44 |
| Y0 - Static axial load coefficient | 1.51 |
| Y1 - Lower axial load coefficient | 1.45 |
| Y2 - Upper axial load coefficient | 2.24 |
| Nref - Reference thermal speed | 16000 tr/min |
| Nlim - Mechanical Limit Speed | 19000 tr/min |
| Tmin - Min operating temperature | -20 °C |
| Tmax - Max operating temperature | 120 °C |
| BEARING FREQUENCIES | |
|---|---|
| BPFO - Characteristic outer ring frequency (60 rpm) | 3,858 Hz |
| BPFI - Characteristic inner ring frequency (60 rpm) | 6,142 Hz |
| FTF - Characteristic cage frequency (60 rpm) | 0,386 Hz |
| BSF - Characteristic rolling element frequency (60 rpm) | 3,986 Hz |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 25 mm |
| Da max - Max shoulder diameter OR | 42 mm |
| ra max - Max shaft & housing fillet radius | 1 mm |
