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Single row tapered roller bearings

30322U - NTN

30322U

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 diameter110 mm
D - External diameter240 mm
B - Bearing/Inner ring width50 mm
C - Outer ring width42 mm
T - Total width54,5 mm
a - Charge load application point45,5 mm
rs - Min fillet radius3 mm
r1s - Min fillet radius2,5 mm
Mass11,1 kg
ISO 355 referenceT2GB110
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PRODUCT PERFORMANCE
C - Dynamic load530 kN
C0 - Static load585 kN
Cu - Fatigue limit load60 kN
A2 - Rating life coefficient1
e - Coefficient0.35
Y0 - Static axial load coefficient0.96
Y2 - Upper axial load coefficient1.74
N lim - Oil lubrication limit speed2200 tr/min
N lim - Grease lubrication limit speed1600 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR128 mm
db min - Min IR shoulder diameter141 mm
Da max - Max shoulder diameter OR226 mm
Db min - Min OR shoulder diameter222 mm
ra max - Max fillet radius3 mm
r1a - Max fillet radius2,5 mm
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