Double row angular contact ball bearing, polyamide cage, open
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Product information
| PRODUCT DEFINITION | |
|---|---|
| Brand | SNR |
| d - Internal diameter | 25 mm |
| D - External diameter | 52 mm |
| B - Bearing/Inner ring width | 20,6 mm |
| d1 - External diameter inner ring | 30,8 mm |
| D1 - Inner diameter outer ring | 46,7 mm |
| a - Charge load application point | 26,8 mm |
| α - Contact angle | 25 ° |
| rs - Min fillet radius | 1 mm |
| Radial clearance class | CN |
| Precision class | P0 |
| Mass | 0,168 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 20,8 kN |
| C0 - Static load | 14,7 kN |
| Cu - Fatigue limit load | 0,91 kN |
| f0 - Coefficient | 14.3 |
| N ref - Reference thermal speed | 9700 tr/min |
| N lim - Mechanical Limit Speed | 13000 tr/min |
| Tmin - Min operating temperature | -20 °C |
| Tmax - Max operating temperature | 120 °C |
| BEARING FREQUENCIES | |
|---|---|
| BPFO - Over rolling frequency on outer ring (60 rpm) | 3,659 Hz |
| BPFI - Over rolling frequency on inner (60 rpm) | 5,341 Hz |
| BSF - Over rolling frequency on rolling element (60 rpm) | 4,681 Hz |
| BRF - Rotational frequency – rolling element (60 rpm) | 2,341 Hz |
| FTF - Rotational frequency - cage (60 rpm) | 0,407 Hz |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 30 mm |
| Da max - Max shoulder diameter OR | 47 mm |
| ra max - Max shaft & housing fillet radius | 1 mm |
