Bearing Finder
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N/A Contact NTN Customer Relations

Technical Specifications

Type

N/A Tapered Roller Bearing

Bore Type

N/A Round

Material

N/A Case Carburized Steel

Style

N/A Cone & Cup

Precision Rating

N/A Class 4

Cone Number

N/A LM742749AA

Cup Number

N/A LM742710

Configuration

N/A One

Lubrication

N/A w/o Oil Hole

e (Axial Load Factor)

N/A 0.48

Y2 (Axial Load Factor)

N/A 1.25

Static Load Rating

N/A 202000 lbf900000 N900.00 kN

Dynamic Load Rating

N/A 90000 lbf400000 N400.00 kN

Enclosure

N/A Open

Operating Temperature Range

N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Tapered Roller Set - Inch Series and J Series - Dimensions

B

N/A 8.5000 in215.900 mm

D

N/A 11.2500 in285.750 mm

Wo

N/A 1.3750 in34.925 mm

Wi

N/A 1.8125 in46.038 mm

W

N/A 1.8125 in46.038 mm

r

N/A 0.1300 in3.300 mm

R

N/A 0.35 in9.0 mm

a (Effective Load Center)

N/A 0.5600 in14.200 mm

U

N/A 10.04 in255.0 mm

V

N/A 8.94 in227.0 mm

X

N/A 10.98 in279.0 mm

Z

N/A 10.47 in266.0 mm