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.
Log in
To add this product to your basketDocumentation
Product information
| PRODUCT DEFINITION | |
|---|---|
| Brand | NTN |
| d - Internal diameter | 280 mm |
| D - External diameter | 420 mm |
| B - Bearing/Inner ring width | 87 mm |
| C - Outer ring width | 65 mm |
| T - Total width | 87 mm |
| d1 - External diameter inner ring | 351 mm |
| a - Charge load application point | 90,5 mm |
| rs - Min fillet radius | 5 mm |
| r1s - Min fillet radius | 4 mm |
| Mass | 41,8 kg |
| ISO 355 reference | T4FC280 |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 1220 kN |
| C0 - Static load | 2350 kN |
| Cu - Fatigue limit load | 197 kN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.46 |
| Y0 - Static axial load coefficient | 0.72 |
| Y2 - Upper axial load coefficient | 1.31 |
| N lim - Oil lubrication limit speed | 980 tr/min |
| N lim - Grease lubrication limit speed | 740 tr/min |
| Tmin - Min operating temperature | -40 °C |
| Tmax - Max operating temperature | 120 °C |
| ABUTMENT | |
|---|---|
| da max - Max shoulder diameter IR | 305 mm |
| db min - Min IR shoulder diameter | 302 mm |
| Da min - Min shoulder diameter OR | 370 mm |
| Da max - Max shoulder diameter OR | 402 mm |
| Db min - Min OR shoulder diameter | 402 mm |
| Ca - Min clearance | 14 mm |
| Cb - Min clearance | 22 mm |
| ra max - Max fillet radius | 4 mm |
| r1a - Max fillet radius | 3 mm |
