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 | NTN |
| d - Internal diameter | 12 mm |
| D - External diameter | 21 mm |
| B - Bearing/Inner ring width | 5 mm |
| rs - Min fillet radius | 0,3 mm |
| Radial clearance class | CM |
| Mass | 0,006 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 2,12 kN |
| C0 - Static load | 1,04 kN |
| Cu - Fatigue limit load | 0,08 kN |
| f0 - Coefficient | 15.3 |
| N lim - Oil lubrication limit speed | 20000 tr/min |
| N lim - Grease lubrication limit speed | 29000 tr/min |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 14 mm |
| da max - Max shoulder diameter IR | 14,5 mm |
| Da max - Max shoulder diameter OR | 19 mm |
| ra max - Max shaft & housing fillet radius | 0,3 mm |
