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Single row tapered roller bearings

30317U - NTN

30317U

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 diameter85 mm
D - External diameter180 mm
B - Bearing/Inner ring width41 mm
C - Outer ring width34 mm
T - Total width44,5 mm
d1 - External diameter inner ring128,5 mm
a - Charge load application point35,5 mm
rs - Min fillet radius4 mm
r1s - Min fillet radius3 mm
Mass5,01 kg
ISO 355 referenceT2GB085
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PRODUCT PERFORMANCE
C - Dynamic load335 kN
C0 - Static load365 kN
Cu - Fatigue limit load40,5 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 speed2900 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 IR107 mm
db min - Min IR shoulder diameter103 mm
Da min - Min shoulder diameter OR156 mm
Da max - Max shoulder diameter OR166 mm
Db min - Min OR shoulder diameter167 mm
Ca - Min clearance5 mm
Cb - Min clearance10,5 mm
ra max - Max fillet radius3 mm
r1a - Max fillet radius2,5 mm
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