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Single row tapered roller bearings

30319U - NTN

30319U

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 diameter95 mm
D - External diameter200 mm
B - Bearing/Inner ring width45 mm
C - Outer ring width38 mm
T - Total width49,5 mm
d1 - External diameter inner ring141 mm
a - Charge load application point40 mm
rs - Min fillet radius4 mm
r1s - Min fillet radius3 mm
Mass6,69 kg
ISO 355 referenceT2GB095
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PRODUCT PERFORMANCE
C - Dynamic load405 kN
C0 - Static load445 kN
Cu - Fatigue limit load48,5 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 speed2500 tr/min
N lim - Grease lubrication limit speed1900 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR118 mm
db min - Min IR shoulder diameter113 mm
Da min - Min shoulder diameter OR172 mm
Da max - Max shoulder diameter OR186 mm
Db min - Min OR shoulder diameter186 mm
Ca - Min clearance5 mm
Cb - Min clearance11,5 mm
ra max - Max fillet radius3 mm
r1a - Max fillet radius2,5 mm
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