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30315DU - NTN

30315DU

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 diameter75 mm
D - External diameter160 mm
B - Bearing/Inner ring width37 mm
C - Outer ring width26 mm
T - Total width40 mm
d1 - External diameter inner ring118,5 mm
a - Charge load application point50 mm
rs - Min fillet radius3 mm
r1s - Min fillet radius2,5 mm
Mass3,46 kg
ISO 355 referenceT7GB075
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PRODUCT PERFORMANCE
C - Dynamic load238 kN
C0 - Static load256 kN
Cu - Fatigue limit load29,8 kN
A2 - Rating life coefficient1
e - Coefficient0.83
Y0 - Static axial load coefficient0.4
Y2 - Upper axial load coefficient0.73
N lim - Oil lubrication limit speed2800 tr/min
N lim - Grease lubrication limit speed2100 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR91 mm
db min - Min IR shoulder diameter89 mm
Da min - Min shoulder diameter OR127 mm
Da max - Max shoulder diameter OR148 mm
Db min - Min OR shoulder diameter151 mm
Ca - Min clearance6 mm
Cb - Min clearance14 mm
ra max - Max fillet radius2,5 mm
r1a - Max fillet radius2 mm
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