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Single row tapered roller bearings

4T-JM718149/JM718110PK - NTN

4T-JM718149/JM718110PK

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 diameter90 mm
D - External diameter145 mm
B - Bearing/Inner ring width34 mm
C - Outer ring width27 mm
T - Total width35 mm
a - Charge load application point33 mm
rs - Min fillet radius3 mm
r1s - Min fillet radius2,5 mm
Mass2,14 kg
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PRODUCT PERFORMANCE
C - Dynamic load210 kN
C0 - Static load279 kN
A2 - Rating life coefficient1
e - Coefficient0.44
Y0 - Static axial load coefficient0.74
Y2 - Upper axial load coefficient1.35
N lim - Oil lubrication limit speed3200 tr/min
N lim - Grease lubrication limit speed2400 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR99 mm
db min - Min IR shoulder diameter105 mm
Da max - Max shoulder diameter OR139 mm
Db min - Min OR shoulder diameter131 mm
ra max - Max fillet radius3 mm
r1a - Max fillet radius2,5 mm
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OE Equivalents

ManufacturerReferenceMercedes013 981 4705

Industry Calcul Factors

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