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)
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Product information
| PRODUCT DEFINITION | |
|---|---|
| Brand | NTN |
| d - Internal diameter | 120,65 mm |
| D - External diameter | 254 mm |
| B - Bearing/Inner ring width | 82,55 mm |
| C - Outer ring width | 61,912 mm |
| T - Total width | 77,788 mm |
| d1 - External diameter inner ring | 185,5 mm |
| a - Charge load application point | 54,4 mm |
| rs - Min fillet radius | 9,7 mm |
| r1s - Min fillet radius | 6,4 mm |
| Mass | 18,8 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 820 kN |
| C0 - Static load | 1070 kN |
| Cu - Fatigue limit load | 108 kN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.32 |
| Y0 - Static axial load coefficient | 1.03 |
| Y2 - Upper axial load coefficient | 1.87 |
| N lim - Oil lubrication limit speed | 1900 tr/min |
| N lim - Grease lubrication limit speed | 1400 tr/min |
| Tmin - Min operating temperature | -40 °C |
| Tmax - Max operating temperature | 120 °C |
| ABUTMENT | |
|---|---|
| da max - Max shoulder diameter IR | 142 mm |
| db min - Min IR shoulder diameter | 158 mm |
| Da max - Max shoulder diameter OR | 223 mm |
| Db min - Min OR shoulder diameter | 234 mm |
| ra max - Max fillet radius | 9,7 mm |
| r1a - Max fillet radius | 6,4 mm |
