4T-28150/28300-NTN Tapered Roller Bearing

4T-28150/28300 - NTN
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.

PRODUCT DEFINITION
d - Internal diameter 38,1 mm
D - External diameter 76,2 mm
B - Bearing/Inner ring width 20,94 mm
C - Outer ring width 15,507 mm
T - Total width 20,638 mm
d1 - External diameter inner ring 56 mm
a - Charge load application point 15,838 mm

PRODUCT PERFORMANCE
C - Dynamic load 61,5 kN
C0 - Static load 63 kN
Cu - Fatigue limit load 7,7 kN
A2 - Rating life coefficient 1
e - Coefficient 0.4
Y0 - Static axial load coefficient 0.82
Y2 - Upper axial load coefficient 1.49
N lim - Oil lubrication limit speed 6700 tr/min
N lim - Grease lubrication limit speed 5000 tr/min
Tmin - Min operating temperature -40 °C
Tmax - Max operating temperature 120 °C