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.
3D file
Technical datasheet
| PRODUCT DEFINITION | |
|---|---|
| Brand | SNR |
| d - Internal diameter | 12 mm |
| D - External diameter | 28 mm |
| B - Bearing/Inner ring width | 8 mm |
| d1 - External diameter inner ring | 17,2 mm |
| D1 - Inner diameter outer ring | 25,5 mm |
| rs - Min fillet radius | 0,3 mm |
| Radial clearance class | C3 |
| Mass | 0,021 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 5,4 kN |
| C0 - Static load | 2,37 kN |
| Cu - Fatigue limit load | 0,11 kN |
| f0 - Coefficient | 13.1 |
| Nlim - Mechanical Limit Speed | 40000 tr/min |
| Tmin - Min operating temperature | -50 °C |
| Tmax - Max operating temperature | 120 °C |
| BEARING FREQUENCIES | |
|---|---|
| BPFO - Characteristic outer ring frequency (60 rpm) | 3,047 Hz |
| BPFI - Characteristic inner ring frequency (60 rpm) | 4,953 Hz |
| FTF - Characteristic cage frequency (60 rpm) | 0,381 Hz |
| BSF - Characteristic rolling element frequency (60 rpm) | 3,961 Hz |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 14 mm |
| da max - Max shoulder diameter IR | 17,2 mm |
| Da max - Max shoulder diameter OR | 26 mm |
| ra max - Max shaft & housing fillet radius | 0,3 mm |
