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Single row tapered roller bearings

4T-32307C - NTN

4T-32307C

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 diameter35 mm
D - External diameter80 mm
B - Bearing/Inner ring width31 mm
C - Outer ring width25 mm
T - Total width32,75 mm
a - Charge load application point25 mm
rs - Min fillet radius2 mm
r1s - Min fillet radius1,5 mm
Mass0,804 kg
ISO 355 referenceT2FE035
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PRODUCT PERFORMANCE
C - Dynamic load103 kN
C0 - Static load117 kN
Cu - Fatigue limit load14,3 kN
A2 - Rating life coefficient1
e - Coefficient0.55
Y0 - Static axial load coefficient0.6
Y2 - Upper axial load coefficient1.1
N lim - Oil lubrication limit speed6400 tr/min
N lim - Grease lubrication limit speed4800 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR45 mm
db min - Min IR shoulder diameter43 mm
Da max - Max shoulder diameter OR71,5 mm
Db min - Min OR shoulder diameter76 mm
ra max - Max fillet radius2 mm
r1a - Max fillet radius1,5 mm
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