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.
3D file
Technical datasheet
Specs
PRODUCT DEFINITION | |
|---|---|
| d - Internal diameter | 66,675 mm |
| D - External diameter | 122,238 mm |
| B - Bearing/Inner ring width | 38,354 mm |
| C - Outer ring width | 29,718 mm |
| T - Total width | 38,1 mm |
| d1 - External diameter inner ring | 91,5 mm |
| a - Charge load application point | 27 mm |
| Mass | 1,85 kg |
| Brand | NTN |
PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 187 kN |
| C0 - Static load | 244 kN |
| Cu - Fatigue limit load | 29,8 kN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.34 |
| Y0 - Static axial load coefficient | 0.98 |
| Y2 - Upper axial load coefficient | 1.78 |
| Nlim - Oil lubrication limit speed | 4100 tr/min |
| Nlim - Grease lubrication limit speed | 3100 tr/min |
| Tmin - Min operating temperature | -40 °C |
| Tmax - Max operating temperature | 120 °C |
| FTF - Characteristic cage frequency | 0,422 Hz |
| BSF - Characteristic rolling element frequency | 6,061 Hz |
| BPFO - Characteristic outer ring frequency | 7,166 Hz |
| BPFI - Characteristic inner ring frequency | 9,834 Hz |
ABUTMENT | |
|---|---|
| da max - Max shoulder diameter IR | 75 mm |
| db min - Min IR shoulder diameter | 82 mm |
| Da max - Max shoulder diameter OR | 108 mm |
| Db min - Min OR shoulder diameter | 116 mm |
| ra max - Max fillet radius | 3,5 mm |
| r1a - Max fillet radius | 3,3 mm |
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