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Single row tapered roller bearings

4T-LM814849/LM814810 - NTN

4T-LM814849/LM814810

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 diameter77,788 mm
D - External diameter117,475 mm
B - Bearing/Inner ring width25,4 mm
C - Outer ring width19,05 mm
T - Total width25,4 mm
d1 - External diameter inner ring99,5 mm
a - Charge load application point27,7 mm
Mass0,929 kg
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PRODUCT PERFORMANCE
C - Dynamic load110 kN
C0 - Static load162 kN
Cu - Fatigue limit load19,8 kN
A2 - Rating life coefficient1
e - Coefficient0.51
Y0 - Static axial load coefficient0.65
Y2 - Upper axial load coefficient1.18
N lim - Oil lubrication limit speed3900 tr/min
N lim - Grease lubrication limit speed2900 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR85 mm
db min - Min IR shoulder diameter91 mm
Da max - Max shoulder diameter OR105 mm
Db min - Min OR shoulder diameter113 mm
ra max - Max fillet radius3,5 mm
r1a - Max fillet radius3,3 mm
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