4T-90381/90744-NTN Tapered Roller Bearing

4T-90381/90744-NTN Tapered Roller Bearing
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.

d - Internal diameter 96,838 mm
D - External diameter 188,912 mm
B - Bearing/Inner ring width 46,038 mm
C - Outer ring width 31,75 mm
T - Total width 50,8 mm
d1 - External diameter inner ring 145,5 mm
Mass 5,46 kg

PRODUCT PERFORMANCE
C - Dynamic load 310 kN
C0 - Static load 365 kN
Cu - Fatigue limit load 40,1 kN
A2 - Rating life coefficient 1
e - Coefficient 0.87
Y0 - Static axial load coefficient 0.38
Y2 - Upper axial load coefficient 0.69
Nlim - Oil lubrication limit speed 2400 tr/min
Nlim - Grease lubrication limit speed 1800 tr/min
Tmin - Min operating temperature -40 °C
Tmax - Max operating temperature 120 °C