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.
This kit contains the following reference(s)
- 4T-45220
- 4T-45284
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Product information
| PRODUCT DEFINITION | |
|---|---|
| Brand | NTN |
| d - Internal diameter | 50,8 mm |
| D - External diameter | 104,775 mm |
| B - Bearing/Inner ring width | 30,958 mm |
| C - Outer ring width | 23,812 mm |
| T - Total width | 30,162 mm |
| d1 - External diameter inner ring | 80 mm |
| a - Charge load application point | 22,262 mm |
| Mass | 1,24 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 144 kN |
| C0 - Static load | 169 kN |
| Cu - Fatigue limit load | 20,6 kN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.33 |
| Y0 - Static axial load coefficient | 0.99 |
| Y2 - Upper axial load coefficient | 1.8 |
| N lim - Oil lubrication limit speed | 4700 tr/min |
| N lim - Grease lubrication limit speed | 3500 tr/min |
| Tmin - Min operating temperature | -40 °C |
| Tmax - Max operating temperature | 120 °C |
| ABUTMENT | |
|---|---|
| da max - Max shoulder diameter IR | 59 mm |
| db min - Min IR shoulder diameter | 71 mm |
| Da max - Max shoulder diameter OR | 93 mm |
| Db min - Min OR shoulder diameter | 99 mm |
| ra max - Max fillet radius | 6,4 mm |
| r1a - Max fillet radius | 3,3 mm |
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