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Single row tapered roller bearings

30240UUTG - NTN

30240UUTG

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 diameter200 mm
D - External diameter360 mm
B - Bearing/Inner ring width58 mm
C - Outer ring width48 mm
T - Total width64 mm
d1 - External diameter inner ring274 mm
a - Charge load application point70 mm
rs - Min fillet radius5 mm
r1s - Min fillet radius4 mm
Mass25,2 kg
ISO 355 referenceT4GB200
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PRODUCT PERFORMANCE
C - Dynamic load1010 kN
C0 - Static load1110 kN
Cu - Fatigue limit load99 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 speed1300 tr/min
N lim - Grease lubrication limit speed950 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR242 mm
db min - Min IR shoulder diameter222 mm
Da min - Min shoulder diameter OR311 mm
Da max - Max shoulder diameter OR342 mm
Db min - Min OR shoulder diameter336 mm
Ca - Min clearance10 mm
Cb - Min clearance16 mm
ra max - Max fillet radius4 mm
r1a - Max fillet radius3 mm
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