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4T-320/32X - NTN

4T-320/32X

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 diameter32 mm
D - External diameter58 mm
B - Bearing/Inner ring width17 mm
C - Outer ring width13 mm
T - Total width17 mm
d1 - External diameter inner ring46 mm
a - Charge load application point14,5 mm
rs - Min fillet radius1 mm
r1s - Min fillet radius1 mm
Mass0,188 kg
ISO 355 referenceT4CC032
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PRODUCT PERFORMANCE
C - Dynamic load41 kN
C0 - Static load46,5 kN
Cu - Fatigue limit load5,7 kN
A2 - Rating life coefficient1
e - Coefficient0.45
Y0 - Static axial load coefficient0.73
Y2 - Upper axial load coefficient1.32
N lim - Oil lubrication limit speed8700 tr/min
N lim - Grease lubrication limit speed6600 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR38 mm
db min - Min IR shoulder diameter37,5 mm
Da min - Min shoulder diameter OR50 mm
Da max - Max shoulder diameter OR52,5 mm
Db min - Min OR shoulder diameter55 mm
Ca - Min clearance3 mm
Cb - Min clearance4 mm
ra max - Max fillet radius1 mm
r1a - Max fillet radius1 mm
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