TOPLINE deep groove ball bearing, radial contact, pressed polyamide cage, shields on both sides, for high speed applications
The single row deep-groove ball bearing is the most popular bearing. It is available in a wide range of sizes with several possible options: sealing with shields or seals, presence of a retaining ring, varied clearances, several cage types, etc.
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Product information
| PRODUCT DEFINITION | |
|---|---|
| Brand | SNR |
| d - Internal diameter | 25 mm |
| D - External diameter | 47 mm |
| B - Bearing/Inner ring width | 12 mm |
| d1 - External diameter inner ring | 31,6 mm |
| D1 - Inner diameter outer ring | 42,8 mm |
| rs - Min fillet radius | 0,6 mm |
| Radial clearance class | C3 |
| Mass | 0,077 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 10,6 kN |
| C0 - Static load | 5,8 kN |
| Cu - Fatigue limit load | 0,26 kN |
| f0 - Coefficient | 14.5 |
| N lim - Mechanical Limit Speed | 22000 tr/min |
| Tmin - Min operating temperature | -50 °C |
| Tmax - Max operating temperature | 120 °C |
| BEARING FREQUENCIES | |
|---|---|
| BPFO - Over rolling frequency on outer ring (60 rpm) | 4,111 Hz |
| BPFI - Over rolling frequency on inner (60 rpm) | 5,889 Hz |
| BSF - Over rolling frequency on rolling element (60 rpm) | 5,444 Hz |
| BRF - Rotational frequency – rolling element (60 rpm) | 2,722 Hz |
| FTF - Rotational frequency - cage (60 rpm) | 0,411 Hz |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 29 mm |
| da max - Max shoulder diameter IR | 31,6 mm |
| Da max - Max shoulder diameter OR | 43 mm |
| ra max - Max shaft & housing fillet radius | 0,6 mm |
