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 DIMENSIONS | |
|---|---|
| Internal diameter (d) | 320 mm |
| External diameter (D) | 440 mm |
| Bearing/Inner ring width (B) | 72 mm |
| Outer ring width (C ) | 63 mm |
| Total width (T) | 76 mm |
| Charge load application point a | 85 mm |
| Min fillet radius (rs) | 3 mm |
| Min fillet radius r1s | 3 mm |
| Coef (e) | 0.39 |
| Upper axial load coef (Y2) | 1.55 |
| Static axial load coef (Y0) | 0.85 |
| Mass | 33,2 kg |
| Brand | NTN |
PRODUCT PERFORMANCE | |
|---|---|
| Dynamic load (C) | 955 kN |
| Static load (C0) | 1880 kN |
| Fatigue limit load (Cu) | 153 kN |
| Nlim (oil) | 900 tr/min |
| Nlim (grease) | 670 tr/min |
| Min operating temperature (Tmin) | -40 °C |
| Max operating temperature (Tmax) | 120 °C |
ABUTMENT | |
|---|---|
| Min shoulder diameter OR Da min | 392 mm |
| Max shoulder diameter OR (Da max) | 426 mm |
| Min OR shoulder diameter Db min | 424,5 mm |
| Min clearance Ca | 13 mm |
| Min clearance Cb | 13 mm |
| Max fillet radius ra max | 3 mm |
| Maxi fillet radius r1a | 2,5 mm |
