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Single row tapered roller bearings

4T-320/22X - NTN

4T-320/22X

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 diameter22 mm
D - External diameter44 mm
B - Bearing/Inner ring width15 mm
C - Outer ring width11,5 mm
T - Total width15 mm
d1 - External diameter inner ring33,5 mm
a - Charge load application point11 mm
rs - Min fillet radius0,6 mm
r1s - Min fillet radius0,6 mm
Mass0,105 kg
ISO 355 referenceT3CC022
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PRODUCT PERFORMANCE
C - Dynamic load30 kN
C0 - Static load31,5 kN
Cu - Fatigue limit load3,85 kN
A2 - Rating life coefficient1
e - Coefficient0.4
Y0 - Static axial load coefficient0.83
Y2 - Upper axial load coefficient1.51
N lim - Oil lubrication limit speed12000 tr/min
N lim - Grease lubrication limit speed8900 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR27 mm
db min - Min IR shoulder diameter26,5 mm
Da min - Min shoulder diameter OR38 mm
Da max - Max shoulder diameter OR39,5 mm
Db min - Min OR shoulder diameter41 mm
Ca - Min clearance3 mm
Cb - Min clearance3,5 mm
ra max - Max fillet radius0,6 mm
r1a - Max fillet radius0,6 mm
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