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.
Technical datasheet
| PRODUCT DEFINITION | |
|---|---|
| Brand | NTN |
| d - Internal diameter | 80 mm |
| D - External diameter | 140 mm |
| B - Bearing/Inner ring width | 26 mm |
| C - Outer ring width | 22 mm |
| T - Total width | 28,25 mm |
| d1 - External diameter inner ring | 106,5 mm |
| a - Charge load application point | 27,5 mm |
| rs - Min fillet radius | 2,5 mm |
| r1s - Min fillet radius | 2 mm |
| Mass | 1,71 kg |
| ISO 355 reference | T3EB080 |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 177 kN |
| C0 - Static load | 200 kN |
| Cu - Fatigue limit load | 23,7 kN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.42 |
| Y0 - Static axial load coefficient | 0.79 |
| Y2 - Upper axial load coefficient | 1.43 |
| Nlim - Oil lubrication limit speed | 3400 tr/min |
| Nlim - Grease lubrication limit speed | 2500 tr/min |
| Tmin - Min operating temperature | -40 °C |
| Tmax - Max operating temperature | 120 °C |
| ABUTMENT | |
|---|---|
| da max - Max shoulder diameter IR | 91 mm |
| db min - Min IR shoulder diameter | 92 mm |
| Da min - Min shoulder diameter OR | 124 mm |
| Da max - Max shoulder diameter OR | 130 mm |
| Db min - Min OR shoulder diameter | 132 mm |
| Ca - Min clearance | 4 mm |
| Cb - Min clearance | 6 mm |
| ra max - Max fillet radius | 2 mm |
| r1a - Max fillet radius | 2 mm |
