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4T-L44643/L44610 - NTN

4T-L44643/L44610

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)

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter25,4 mm
D - External diameter50,292 mm
B - Bearing/Inner ring width14,732 mm
C - Outer ring width10,668 mm
T - Total width14,224 mm
d1 - External diameter inner ring39 mm
a - Charge load application point10,824 mm
Mass0,13 kg
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PRODUCT PERFORMANCE
C - Dynamic load32 kN
C0 - Static load34 kN
Cu - Fatigue limit load4,15 kN
A2 - Rating life coefficient1
e - Coefficient0.37
Y0 - Static axial load coefficient0.88
Y2 - Upper axial load coefficient1.6
N lim - Oil lubrication limit speed9900 tr/min
N lim - Grease lubrication limit speed7400 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR29,5 mm
db min - Min IR shoulder diameter31,5 mm
Da max - Max shoulder diameter OR44,5 mm
Db min - Min OR shoulder diameter47 mm
ra max - Max fillet radius1,3 mm
r1a - Max fillet radius1,3 mm
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