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Unit of Measure

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Ordering Options

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 2

Cone Number

N/A 938A

Cup Number

N/A 930

Configuration

N/A One

Lubrication

N/A w/o Oil Hole

e (Axial Load Factor)

N/A 0.33

Y2 (Axial Load Factor)

N/A 1.84

Static Load Rating

N/A 173000 lbf770000 N770.00 kN

Dynamic Load Rating

N/A 115000 lbf510000 N510.00 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 4.5000 in114.300 mm

D

N/A 8.1250 in206.375 mm

Wo

N/A 2.1250 in53.975 mm

Wi

N/A 2.6250 in66.675 mm

W

N/A 2.6250 in66.675 mm

r

N/A 0.1300 in3.300 mm

R

N/A 0.13 in3.3 mm

a (Effective Load Center)

N/A -0.7800 in-19.800 mm

U

N/A 5.12 in130.0 mm

V

N/A 4.84 in123.0 mm

X

N/A 7.60 in193.0 mm

Z

N/A 7.36 in187.0 mm