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 | 177,8 mm |
| D - External diameter | 247,65 mm |
| B - Bearing/Inner ring width | 47,625 mm |
| C - Outer ring width | 38,1 mm |
| T - Total width | 47,625 mm |
| d1 - External diameter inner ring | 214 mm |
| a - Charge load application point | 51,925 mm |
| Mass | 6,72 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 380 kN |
| C0 - Static load | 690 kN |
| Cu - Fatigue limit load | 67,2 kN |
| A2 - Rating life coefficient | 1 |
| e - Coefficient | 0.44 |
| Y0 - Static axial load coefficient | 0.75 |
| Y2 - Upper axial load coefficient | 1.36 |
| N lim - Oil lubrication limit speed | 1700 tr/min |
| N lim - Grease lubrication limit speed | 1300 tr/min |
| Tmin - Min operating temperature | -40 °C |
| Tmax - Max operating temperature | 120 °C |
| ABUTMENT | |
|---|---|
| da max - Max shoulder diameter IR | 188 mm |
| db min - Min IR shoulder diameter | 194 mm |
| Da max - Max shoulder diameter OR | 229 mm |
| Db min - Min OR shoulder diameter | 240 mm |
| ra max - Max fillet radius | 3,5 mm |
| r1a - Max fillet radius | 3,3 mm |
