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)
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Product information
| PRODUCT DEFINITION | |
|---|---|
| Brand | NTN |
| d - Internal diameter | 50,8 mm |
| D - External diameter | 88,9 mm |
| B - Bearing/Inner ring width | 22,225 mm |
| C - Outer ring width | 16,513 mm |
| T - Total width | 20,638 mm |
| d1 - External diameter inner ring | 67 mm |
| a - Charge load application point | 16,638 mm |
| rs - Min fillet radius | 3,5 mm |
| r1s - Min fillet radius | 1,3 mm |
| Mass | 0,516 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 85 kN |
| C0 - Static load | 90,5 kN |
| Cu - Fatigue limit load | 11 kN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.32 |
| Y0 - Static axial load coefficient | 1.03 |
| Y2 - Upper axial load coefficient | 1.88 |
| N lim - Oil lubrication limit speed | 5500 tr/min |
| N lim - Grease lubrication limit speed | 4100 tr/min |
| Tmin - Min operating temperature | -40 °C |
| Tmax - Max operating temperature | 120 °C |
| ABUTMENT | |
|---|---|
| da max - Max shoulder diameter IR | 56 mm |
| db min - Min IR shoulder diameter | 62 mm |
| Da max - Max shoulder diameter OR | 81 mm |
| Db min - Min OR shoulder diameter | 84 mm |
| ra max - Max fillet radius | 3,5 mm |
| r1a - Max fillet radius | 1,3 mm |
