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 | 220 mm |
| D - External diameter | 300 mm |
| B - Bearing/Inner ring width | 38 mm |
| rs - Min fillet radius | 2,1 mm |
| Radial clearance class | C4 |
| Mass | 7,69 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 178 kN |
| C0 - Static load | 180 kN |
| Cu - Fatigue limit load | 7,55 kN |
| f0 - Coefficient | 16.4 |
| N lim - Oil lubrication limit speed | 2300 tr/min |
| N lim - Grease lubrication limit speed | 2000 tr/min |
| Tmax - Max operating temperature | 120 °C |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 231 mm |
| Da max - Max shoulder diameter OR | 289 mm |
| ra max - Max shaft & housing fillet radius | 2 mm |
