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 | 40 mm |
| D - External diameter | 80 mm |
| B - Bearing/Inner ring width | 18 mm |
| rs - Min fillet radius | 1,1 mm |
| rNs - Min fillet radius | 0,5 mm |
| D3 - Max bottom groove diameter | 76,81 mm |
| b min - Min groove width | 1,9 mm |
| b max - Max groove width | 3,28 mm |
| r0 max - Max bottom groove radius | 0,6 mm |
| D4 max - Max outer diameter of assembled stop ring | 86,6 mm |
| f - Stop ring thickness | 1,7 mm |
| Radial clearance class | C4 |
| Mass | 0,366 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 32,5 kN |
| C0 - Static load | 17,8 kN |
| Cu - Fatigue limit load | 1,24 kN |
| f0 - Coefficient | 14 |
| N lim - Oil lubrication limit speed | 5600 tr/min |
| N lim - Grease lubrication limit speed | 8700 tr/min |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 46,5 mm |
| da max - Max shoulder diameter IR | 51 mm |
| Da max - Max shoulder diameter OR | 73,5 mm |
| ra max - Max shaft & housing fillet radius | 1 mm |
| rNa max - Max fillet radius on segment side | 0,5 mm |
