Tapered roller bearing, pressed steel cage
The single row tapered roller bearing is available in metric dimensions (ISO 355 and JIS B 1512 standards) and in inches (ABMA standard, metric series including J). The single row in tapered roller bearing range, is the most widely used and is generally mounted in opposition.
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| PRODUCT DEFINITION | |
|---|---|
| Brand | NTN |
| d - Internal diameter | 90 mm |
| D - External diameter | 190 mm |
| B - Bearing/Inner ring width | 43 mm |
| C - Outer ring width | 30 mm |
| T - Total width | 46,5 mm |
| d1 - External diameter inner ring | 140 mm |
| a - Charge load application point | 59 mm |
| rs - Min fillet radius | 4 mm |
| r1s - Min fillet radius | 3 mm |
| Mass | 5,58 kg |
| ISO 355 reference | T7GB090 |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 300 kN |
| C0 - Static load | 320 kN |
| Cu - Fatigue limit load | 35,5 kN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.83 |
| Y0 - Static axial load coefficient | 0.4 |
| Y2 - Upper axial load coefficient | 0.73 |
| Nlim - Oil lubrication limit speed | 2400 tr/min |
| Nlim - Grease lubrication limit speed | 1800 tr/min |
| Tmin - Min operating temperature | -40 °C |
| Tmax - Max operating temperature | 120 °C |
| ABUTMENT | |
|---|---|
| da max - Max shoulder diameter IR | 109 mm |
| db min - Min IR shoulder diameter | 108 mm |
| Da min - Min shoulder diameter OR | 151 mm |
| Da max - Max shoulder diameter OR | 176 mm |
| Db min - Min OR shoulder diameter | 179 mm |
| Ca - Min clearance | 6 mm |
| Cb - Min clearance | 16,5 mm |
| ra max - Max fillet radius | 3 mm |
| r1a - Max fillet radius | 2,5 mm |
