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Single row tapered roller bearings

4T-438/432 - NTN

4T-438/432

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 diameter44,45 mm
D - External diameter95,25 mm
B - Bearing/Inner ring width29,9 mm
C - Outer ring width22,225 mm
T - Total width27,783 mm
d1 - External diameter inner ring65 mm
a - Charge load application point18,583 mm
Mass0,957 kg
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PRODUCT PERFORMANCE
C - Dynamic load120 kN
C0 - Static load129 kN
Cu - Fatigue limit load15,7 kN
A2 - Rating life coefficient1
e - Coefficient0.28
Y0 - Static axial load coefficient1.16
Y2 - Upper axial load coefficient2.11
N lim - Oil lubrication limit speed5600 tr/min
N lim - Grease lubrication limit speed4200 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR51 mm
db min - Min IR shoulder diameter57 mm
Da max - Max shoulder diameter OR83 mm
Db min - Min OR shoulder diameter87 mm
ra max - Max fillet radius3,5 mm
r1a - Max fillet radius2,3 mm
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