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4T-32012X - NTN

4T-32012X

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.

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter60 mm
D - External diameter95 mm
B - Bearing/Inner ring width23 mm
C - Outer ring width17,5 mm
T - Total width23 mm
d1 - External diameter inner ring78,5 mm
a - Charge load application point21 mm
rs - Min fillet radius1,5 mm
r1s - Min fillet radius1,5 mm
Mass0,596 kg
ISO 355 referenceT4CC060
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PRODUCT PERFORMANCE
C - Dynamic load91 kN
C0 - Static load123 kN
Cu - Fatigue limit load15 kN
A2 - Rating life coefficient1
e - Coefficient0.43
Y0 - Static axial load coefficient0.77
Y2 - Upper axial load coefficient1.39
N lim - Oil lubrication limit speed4900 tr/min
N lim - Grease lubrication limit speed3700 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 diameter68,5 mm
Da min - Min shoulder diameter OR85 mm
Da max - Max shoulder diameter OR86,5 mm
Db min - Min OR shoulder diameter91 mm
Ca - Min clearance4 mm
Cb - Min clearance5,5 mm
ra max - Max fillet radius1,5 mm
r1a - Max fillet radius1,5 mm
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