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Single row tapered roller bearings

4T-L319249/L319210 - NTN

4T-L319249/L319210

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.

This kit contains the following reference(s)

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter95,25 mm
D - External diameter130,175 mm
B - Bearing/Inner ring width21,433 mm
C - Outer ring width16,67 mm
T - Total width20,638 mm
d1 - External diameter inner ring113,5 mm
a - Charge load application point21,638 mm
Mass0,786 kg
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PRODUCT PERFORMANCE
C - Dynamic load90 kN
C0 - Static load147 kN
Cu - Fatigue limit load17,3 kN
A2 - Rating life coefficient1
e - Coefficient0.35
Y0 - Static axial load coefficient0.95
Y2 - Upper axial load coefficient1.72
N lim - Oil lubrication limit speed3300 tr/min
N lim - Grease lubrication limit speed2500 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR101 mm
db min - Min IR shoulder diameter103 mm
Da max - Max shoulder diameter OR122 mm
Db min - Min OR shoulder diameter125 mm
ra max - Max fillet radius1,5 mm
r1a - Max fillet radius1,5 mm
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