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 | 55 mm |
| D - External diameter | 90 mm |
| B - Bearing/Inner ring width | 23 mm |
| C - Outer ring width | 18,5 mm |
| T - Total width | 23 mm |
| d1 - External diameter inner ring | 72,5 mm |
| a - Charge load application point | 20,2 mm |
| Mass | 0,556 kg |
| Brand | NTN |
PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 86 kN |
| C0 - Static load | 109 kN |
| Cu - Fatigue limit load | 13,3 kN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.4 |
| Y0 - Static axial load coefficient | 0.82 |
| Y2 - Upper axial load coefficient | 1.49 |
| Nlim - Oil lubrication limit speed | 5300 tr/min |
| Nlim - Grease lubrication limit speed | 3900 tr/min |
| Tmin - Min operating temperature | -40 °C |
| Tmax - Max operating temperature | 120 °C |
| FTF - Characteristic cage frequency | 0,444 Hz |
| BSF - Characteristic rolling element frequency | 8,503 Hz |
| BPFO - Characteristic outer ring frequency | 9,766 Hz |
| BPFI - Characteristic inner ring frequency | 12,234 Hz |
ABUTMENT | |
|---|---|
| da max - Max shoulder diameter IR | 61 mm |
| db min - Min IR shoulder diameter | 63 mm |
| Da max - Max shoulder diameter OR | 82 mm |
| Db min - Min OR shoulder diameter | 86 mm |
| ra max - Max fillet radius | 1,5 mm |
| r1a - Max fillet radius | 0,5 mm |
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