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Single row tapered roller bearings

4T-32205 - NTN

4T-32205

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 diameter25 mm
D - External diameter52 mm
B - Bearing/Inner ring width18 mm
C - Outer ring width16 mm
T - Total width19,25 mm
d1 - External diameter inner ring38,5 mm
a - Charge load application point13,5 mm
rs - Min fillet radius1 mm
r1s - Min fillet radius1 mm
Mass0,187 kg
ISO 355 referenceT2CD025
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PRODUCT PERFORMANCE
C - Dynamic load46,5 kN
C0 - Static load47 kN
Cu - Fatigue limit load5,2 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 speed9800 tr/min
N lim - Grease lubrication limit speed7300 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR31 mm
db min - Min IR shoulder diameter30,5 mm
Da min - Min shoulder diameter OR43 mm
Da max - Max shoulder diameter OR46,5 mm
Db min - Min OR shoulder diameter48 mm
Ca - Min clearance2 mm
Cb - Min clearance4 mm
ra max - Max fillet radius1 mm
r1a - Max fillet radius1 mm
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