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Single row tapered roller bearings

4T-32010X - NTN

4T-32010X

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 diameter50 mm
D - External diameter80 mm
B - Bearing/Inner ring width20 mm
C - Outer ring width15,5 mm
T - Total width20 mm
d1 - External diameter inner ring65,5 mm
a - Charge load application point17,5 mm
rs - Min fillet radius1 mm
r1s - Min fillet radius1 mm
Mass0,373 kg
ISO 355 referenceT3CC050
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PRODUCT PERFORMANCE
C - Dynamic load69,5 kN
C0 - Static load88 kN
Cu - Fatigue limit load10,7 kN
A2 - Rating life coefficient1
e - Coefficient0.42
Y0 - Static axial load coefficient0.78
Y2 - Upper axial load coefficient1.42
N lim - Oil lubrication limit speed5800 tr/min
N lim - Grease lubrication limit speed4400 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR56 mm
db min - Min IR shoulder diameter55,5 mm
Da min - Min shoulder diameter OR72 mm
Da max - Max shoulder diameter OR74,5 mm
Db min - Min OR shoulder diameter77 mm
Ca - Min clearance4 mm
Cb - Min clearance4,5 mm
ra max - Max fillet radius1 mm
r1a - Max fillet radius1 mm
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