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.
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Product information
| PRODUCT DEFINITION | |
|---|---|
| Brand | NTN |
| d - Internal diameter | 240 mm |
| D - External diameter | 440 mm |
| B - Bearing/Inner ring width | 120 mm |
| C - Outer ring width | 100 mm |
| T - Total width | 127 mm |
| a - Charge load application point | 107 mm |
| rs - Min fillet radius | 4 mm |
| r1s - Min fillet radius | 4 mm |
| Mass | 78,9 kg |
| PRODUCT PERFORMANCE | |
|---|---|
| C - Dynamic load | 2180 kN |
| C0 - Static load | 2750 kN |
| Cu - Fatigue limit load | 232 kN |
| e - Coefficient | 0.43 |
| Y0 - Static axial load coefficient | 0.77 |
| Y2 - Upper axial load coefficient | 1.39 |
| N lim - Oil lubrication limit speed | 1100 tr/min |
| N lim - Grease lubrication limit speed | 760 tr/min |
| Tmin - Min operating temperature | -40 °C |
| Tmax - Max operating temperature | 120 °C |
| ABUTMENT | |
|---|---|
| Da min - Min shoulder diameter OR | 365 mm |
| Da max - Max shoulder diameter OR | 422 mm |
| Db min - Min OR shoulder diameter | 421,5 mm |
| Ca - Min clearance | 4,1 mm |
| Cb - Min clearance | 27 mm |
| ra max - Max fillet radius | 3 mm |
| r1a - Max fillet radius | 3 mm |
