Deep groove ball bearing, radial contact, pressed steel cage, snap ring groove on outer diameter, contact seals on both sides
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.
Technical datasheet
| PRODUCT DEFINITION | |
|---|---|
| Brand | SNR |
| d - Internal diameter | 25 mm |
| D - External diameter | 52 mm |
| B - Bearing/Inner ring width | 15 mm |
| d1 - External diameter inner ring | 31,8 mm |
| D1 - Inner diameter outer ring | 49,2 mm |
| a min - Min position Groove | 2,31 mm |
| a max - Max position groove | 2,46 mm |
| rs - Min fillet radius | 1 mm |
| rNs - Min fillet radius | 0,5 mm |
| D3 - Max bottom groove diameter | 49,73 mm |
| b min - Min groove width | 1,35 mm |
| b max - Max groove width | 1,65 mm |
| r0 max - Max bottom groove radius | 0,4 mm |
| Radial clearance class | CN |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 13,8 kN |
| C0 - Static load | 7,9 kN |
| Cu - Fatigue limit load | 0,45 kN |
| f0 - Coefficient | 13.9 |
| Nlim - Grease lubrication limit speed | 8200 tr/min |
| Nlim - Mechanical Limit Speed | 9000 tr/min |
| Tmin - Min operating temperature | -30 °C |
| Tmax - Max operating temperature | 120 °C |
| BEARING FREQUENCIES | |
|---|---|
| BPFO - Characteristic outer ring frequency (60 rpm) | 3,585 Hz |
| BPFI - Characteristic inner ring frequency (60 rpm) | 5,415 Hz |
| FTF - Characteristic cage frequency (60 rpm) | 0,398 Hz |
| BSF - Characteristic rolling element frequency (60 rpm) | 4,715 Hz |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 30 mm |
| da max - Max shoulder diameter IR | 31,8 mm |
| Da max - Max shoulder diameter OR | 47 mm |
| ra max - Max shaft & housing fillet radius | 1 mm |
| rNa max - Max fillet radius on segment side | 0,5 mm |
| Db min - Min stop ring position diameter | 58,5 mm |
