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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.

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Technical datasheet

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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
Nlim - Oil lubrication limit speed5800 tr/min
Nlim - 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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