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Single row tapered roller bearings

4T-555S/552A - NTN

4T-555S/552A

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 diameter57,15 mm
D - External diameter123,825 mm
B - Bearing/Inner ring width36,678 mm
C - Outer ring width30,162 mm
T - Total width38,1 mm
d1 - External diameter inner ring92,5 mm
a - Charge load application point28,7 mm
Mass2,17 kg
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PRODUCT PERFORMANCE
C - Dynamic load175 kN
C0 - Static load216 kN
Cu - Fatigue limit load26,3 kN
A2 - Rating life coefficient1
e - Coefficient0.35
Y0 - Static axial load coefficient0.95
Y2 - Upper axial load coefficient1.73
N lim - Oil lubrication limit speed4100 tr/min
N lim - Grease lubrication limit speed3000 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR67 mm
db min - Min IR shoulder diameter73 mm
Da max - Max shoulder diameter OR109 mm
Db min - Min OR shoulder diameter116 mm
ra max - Max fillet radius3,5 mm
r1a - Max fillet radius3,3 mm
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