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Single row tapered roller bearings

4T-32207 - NTN

4T-32207

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 diameter72 mm
B - Bearing/Inner ring width23 mm
C - Outer ring width19 mm
T - Total width24,25 mm
d1 - External diameter inner ring53 mm
a - Charge load application point17,5 mm
rs - Min fillet radius1,5 mm
r1s - Min fillet radius1,5 mm
Mass0,455 kg
ISO 355 referenceT3DC035
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PRODUCT PERFORMANCE
C - Dynamic load80,5 kN
C0 - Static load87 kN
Cu - Fatigue limit load10,6 kN
A2 - Rating life coefficient1
e - Coefficient0.37
Y0 - Static axial load coefficient0.88
Y2 - Upper axial load coefficient1.6
N lim - Oil lubrication limit speed7400 tr/min
N lim - Grease lubrication limit speed5500 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR43 mm
db min - Min IR shoulder diameter43,5 mm
Da min - Min shoulder diameter OR61 mm
Da max - Max shoulder diameter OR63,5 mm
Db min - Min OR shoulder diameter67 mm
Ca - Min clearance3 mm
Cb - Min clearance5 mm
ra max - Max fillet radius1,5 mm
r1a - Max fillet radius1,5 mm
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