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Single row tapered roller bearings

4T-JM736149/JM736110 - NTN

4T-JM736149/JM736110

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.

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter180 mm
D - External diameter250 mm
B - Bearing/Inner ring width45 mm
C - Outer ring width37 mm
T - Total width47 mm
d1 - External diameter inner ring219 mm
Mass6,74 kg
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PRODUCT PERFORMANCE
C - Dynamic load410 kN
C0 - Static load710 kN
Cu - Fatigue limit load68,8 kN
A2 - Rating life coefficient1
e - Coefficient0.48
Y0 - Static axial load coefficient0.69
Y2 - Upper axial load coefficient1.25
N lim - Oil lubrication limit speed1700 tr/min
N lim - Grease lubrication limit speed1300 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da max - Max shoulder diameter IR190 mm
db min - Min IR shoulder diameter196 mm
Da max - Max shoulder diameter OR232 mm
Db min - Min OR shoulder diameter243 mm
ra max - Max fillet radius3 mm
r1a - Max fillet radius2,5 mm
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OE Equivalents

ManufacturerReferenceZF0750.117.257

Industry Calcul Factors

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