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Single row tapered roller bearings

33021U - NTN

33021U

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 diameter105 mm
D - External diameter160 mm
B - Bearing/Inner ring width43 mm
C - Outer ring width34 mm
T - Total width43 mm
a - Charge load application point31 mm
rs - Min fillet radius2 mm
r1s - Min fillet radius2 mm
Mass3 kg
ISO 355 referenceT2DE105
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PRODUCT PERFORMANCE
C - Dynamic load272 kN
C0 - Static load420 kN
Cu - Fatigue limit load47 kN
A2 - Rating life coefficient1
e - Coefficient0.28
Y0 - Static axial load coefficient1.17
Y2 - Upper axial load coefficient2.12
N lim - Oil lubrication limit speed2800 tr/min
N lim - Grease lubrication limit speed2100 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR117 mm
db min - Min IR shoulder diameter116 mm
Da max - Max shoulder diameter OR150 mm
Db min - Min OR shoulder diameter153 mm
ra max - Max fillet radius2 mm
r1a - Max fillet radius2 mm
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