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Single row tapered roller bearings

30224U - NTN

30224U

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 diameter120 mm
D - External diameter215 mm
B - Bearing/Inner ring width40 mm
C - Outer ring width34 mm
T - Total width43,5 mm
a - Charge load application point44 mm
rs - Min fillet radius2,5 mm
r1s - Min fillet radius2 mm
Mass6,32 kg
ISO 355 referenceT4FB120
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PRODUCT PERFORMANCE
C - Dynamic load385 kN
C0 - Static load470 kN
Cu - Fatigue limit load49 kN
A2 - Rating life coefficient1
e - Coefficient0.44
Y0 - Static axial load coefficient0.76
Y2 - Upper axial load coefficient1.38
N lim - Oil lubrication limit speed2200 tr/min
N lim - Grease lubrication limit speed1700 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR134 mm
db min - Min IR shoulder diameter140 mm
Da max - Max shoulder diameter OR203 mm
Db min - Min OR shoulder diameter203 mm
ra max - Max fillet radius2,5 mm
r1a - Max fillet radius2 mm
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