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Single row tapered roller bearings

4T-JM207049/JM207010 - NTN

4T-JM207049/JM207010

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 diameter55 mm
D - External diameter95 mm
B - Bearing/Inner ring width29 mm
C - Outer ring width23,5 mm
T - Total width29 mm
d1 - External diameter inner ring74,5 mm
a - Charge load application point21,4 mm
Mass0,823 kg
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PRODUCT PERFORMANCE
C - Dynamic load119 kN
C0 - Static load144 kN
Cu - Fatigue limit load17,6 kN
A2 - Rating life coefficient1
e - Coefficient0.33
Y0 - Static axial load coefficient0.99
Y2 - Upper axial load coefficient1.79
N lim - Oil lubrication limit speed5100 tr/min
N lim - Grease lubrication limit speed3800 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR62 mm
db min - Min IR shoulder diameter64 mm
Da max - Max shoulder diameter OR85 mm
Db min - Min OR shoulder diameter91 mm
ra max - Max fillet radius1,5 mm
r1a - Max fillet radius2,5 mm
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OE Equivalents

ManufacturerReferenceZF0750.117.345

Industry Calcul Factors

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