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 | 120 mm |
| D - External diameter | 180 mm |
| B - Bearing/Inner ring width | 38 mm |
| C - Outer ring width | 29 mm |
| T - Total width | 38 mm |
| a - Charge load application point | 39 mm |
| rs - Min fillet radius | 2 mm |
| r1s - Min fillet radius | 2 mm |
| Mass | 3,29 kg |
| ISO 355 reference | T4DC120 |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 272 kN |
| C0 - Static load | 420 kN |
| Cu - Fatigue limit load | 45,5 kN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.46 |
| Y0 - Static axial load coefficient | 0.72 |
| Y2 - Upper axial load coefficient | 1.31 |
| Nlim - Oil lubrication limit speed | 2500 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 | 132 mm |
| db min - Min IR shoulder diameter | 131 mm |
| Da max - Max shoulder diameter OR | 170 mm |
| Db min - Min OR shoulder diameter | 173 mm |
| ra max - Max fillet radius | 2 mm |
| r1a - Max fillet radius | 2 mm |
