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 | 45,242 mm |
| D - External diameter | 77,788 mm |
| B - Bearing/Inner ring width | 19,842 mm |
| C - Outer ring width | 15,08 mm |
| T - Total width | 19,842 mm |
| d1 - External diameter inner ring | 61,5 mm |
| a - Charge load application point | 17,642 mm |
| Mass | 0,371 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 63,5 kN |
| C0 - Static load | 73,5 kN |
| Cu - Fatigue limit load | 9 kN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.43 |
| Y0 - Static axial load coefficient | 0.77 |
| Y2 - Upper axial load coefficient | 1.41 |
| N lim - Oil lubrication limit speed | 6200 tr/min |
| N lim - Grease lubrication limit speed | 4600 tr/min |
| Tmin - Min operating temperature | -40 °C |
| Tmax - Max operating temperature | 120 °C |
| ABUTMENT | |
|---|---|
| da max - Max shoulder diameter IR | 50 mm |
| db min - Min IR shoulder diameter | 57 mm |
| Da max - Max shoulder diameter OR | 71 mm |
| Db min - Min OR shoulder diameter | 74 mm |
| ra max - Max fillet radius | 3,5 mm |
| r1a - Max fillet radius | 0,8 mm |
