High precision angular contact ball bearing, moulded polyamide cage centred on balls
In the ball bearing and high precision bearing ranges, the high precision angular contact ball bearing solves the maximum reliability constraints with increased performance in terms of rigidity, speed, capacity and precision. This bearing is recommended for demanding applications in terms of precision such as machine tool spindles. NTN is getting sub-ranges dedicated to requirements of speed, sealing, specific greasing, etc.
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Product information
| PRODUCT DEFINITION | |
|---|---|
| Brand | NTN |
| d - Internal diameter | 105 mm |
| D - External diameter | 160 mm |
| B - Bearing/Inner ring width | 26 mm |
| d1 - External diameter inner ring | 123,5 mm |
| d2 - External diameter inner ring | 119,2 mm |
| D1 - Inner diameter outer ring | 141,5 mm |
| D2 - Inner diameter outer ring | 150,2 mm |
| a - Charge load application point | 30,8 mm |
| α - Contact angle | 15 ° |
| rs - Min fillet radius | 2 mm |
| r1s - Min fillet radius | 1 mm |
| Precision class | P42 |
| Mass | 1,58 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 101 kN |
| C0 - Static load | 93,5 kN |
| f0 - Coefficient | 15.9 |
| N lim - Oil lubrication limit speed | 14100 tr/min |
| N lim - Grease lubrication limit speed | 8800 tr/min |
| Preload level | GN |
| Preload value | 0,55 kN |
| Axial rigidity | 134,4 N/µm |
| Radial rigidity | 775 N/µm |
| Tmin - Min operating temperature | -20 °C |
| Tmax - Max operating temperature | 120 °C |
| ABUTMENT | |
|---|---|
| da min - Min shoulder diameter IR | 115 mm |
| Da max - Max shoulder diameter OR | 150 mm |
| Db max - Max OR shoulder diameter | 154,5 mm |
| r1a - Max fillet radius | 1 mm |
| ra max - Max shaft & housing fillet radius | 2 mm |
