The single row angular contact ball bearing is designed to withstand combined loads with a predominant axial component. Installed in opposition with another bearing of the same type, it guarantees high mounting rigidity.
The NTN range is available in several variants: 30° or 40° angles, polyamide, pressed steel or solid brass cages, universal pairing available, clearances or preloads, etc.
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Product information
| PRODUCT DEFINITION | |
|---|---|
| Brand | NTN |
| d - Internal diameter | 180 mm |
| D - External diameter | 320 mm |
| B - Bearing/Inner ring width | 52 mm |
| a - Charge load application point | 98 mm |
| rs - Min fillet radius | 4 mm |
| r1s - Min fillet radius | 1,5 mm |
| Radial clearance class | CN |
| Mass | 17,7 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 340 kN |
| C0 - Static load | 385 kN |
| Cu - Fatigue limit load | 18,6 kN |
| N lim - Oil lubrication limit speed | 2800 tr/min |
| N lim - Grease lubrication limit speed | 2100 tr/min |
| Tmax - Max operating temperature | 120 °C |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 198 mm |
| Da max - Max shoulder diameter OR | 302 mm |
| Db max - Max OR shoulder diameter | 311,5 mm |
| r1a - Max fillet radius | 1,5 mm |
| ra max - Max shaft & housing fillet radius | 3 mm |
