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Single row tapered roller bearings

30238UUTG - NTN

30238UUTG

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 diameter190 mm
D - External diameter340 mm
B - Bearing/Inner ring width55 mm
C - Outer ring width46 mm
T - Total width60 mm
a - Charge load application point64 mm
rs - Min fillet radius5 mm
r1s - Min fillet radius4 mm
Mass21,5 kg
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PRODUCT PERFORMANCE
C - Dynamic load920 kN
C0 - Static load1000 kN
Cu - Fatigue limit load91,5 kN
e - Coefficient0.44
Y0 - Static axial load coefficient0.76
Y2 - Upper axial load coefficient1.38
N lim - Oil lubrication limit speed1400 tr/min
N lim - Grease lubrication limit speed1000 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
Da min - Min shoulder diameter OR293 mm
Da max - Max shoulder diameter OR322 mm
Db min - Min OR shoulder diameter320,5 mm
Ca - Min clearance9 mm
Cb - Min clearance14 mm
ra max - Max fillet radius4 mm
r1a - Max fillet radius3 mm
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