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Single row tapered roller bearings

4T-539/532X - NTN

4T-539/532X

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 diameter53,975 mm
D - External diameter107,95 mm
B - Bearing/Inner ring width36,957 mm
C - Outer ring width28,575 mm
T - Total width36,512 mm
d1 - External diameter inner ring77 mm
a - Charge load application point24,212 mm
Mass1,47 kg
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PRODUCT PERFORMANCE
C - Dynamic load157 kN
C0 - Static load177 kN
Cu - Fatigue limit load21,6 kN
A2 - Rating life coefficient1
e - Coefficient0.3
Y0 - Static axial load coefficient1.11
Y2 - Upper axial load coefficient2.02
N lim - Oil lubrication limit speed4800 tr/min
N lim - Grease lubrication limit speed3600 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR61 mm
db min - Min IR shoulder diameter68 mm
Da max - Max shoulder diameter OR94 mm
Db min - Min OR shoulder diameter100 mm
ra max - Max fillet radius3,5 mm
r1a - Max fillet radius3,3 mm
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