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30313U - NTN

30313U

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 diameter65 mm
D - External diameter140 mm
B - Bearing/Inner ring width33 mm
C - Outer ring width28 mm
T - Total width36 mm
d1 - External diameter inner ring100,5 mm
a - Charge load application point28,5 mm
rs - Min fillet radius3 mm
r1s - Min fillet radius2,5 mm
Mass2,54 kg
ISO 355 referenceT2GB065
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PRODUCT PERFORMANCE
C - Dynamic load225 kN
C0 - Static load238 kN
Cu - Fatigue limit load28,7 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 speed3700 tr/min
N lim - Grease lubrication limit speed2800 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR83 mm
db min - Min IR shoulder diameter79 mm
Da min - Min shoulder diameter OR122 mm
Da max - Max shoulder diameter OR128 mm
Db min - Min OR shoulder diameter130 mm
Ca - Min clearance4 mm
Cb - Min clearance8 mm
ra max - Max fillet radius2,5 mm
r1a - Max fillet radius2 mm
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