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4T-LM11949/LM11910 - NTN

4T-LM11949/LM11910

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 diameter19,05 mm
D - External diameter45,237 mm
B - Bearing/Inner ring width16,637 mm
C - Outer ring width12,065 mm
T - Total width15,494 mm
d1 - External diameter inner ring31 mm
a - Charge load application point9,894 mm
Mass0,123 kg
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PRODUCT PERFORMANCE
C - Dynamic load31,5 kN
C0 - Static load28,6 kN
Cu - Fatigue limit load3,5 kN
A2 - Rating life coefficient1
e - Coefficient0.3
Y0 - Static axial load coefficient1.1
Y2 - Upper axial load coefficient2
N lim - Oil lubrication limit speed12000 tr/min
N lim - Grease lubrication limit speed8900 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR23,5 mm
db min - Min IR shoulder diameter28 mm
Da max - Max shoulder diameter OR39,5 mm
Db min - Min OR shoulder diameter41,5 mm
ra max - Max fillet radius1,3 mm
r1a - Max fillet radius1,3 mm
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Industry Calcul Factors

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