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Unit of Measure

Technical Specifications

Type

Tapered Roller Bearing

Bore Type

Round

Material

Case Carburized Steel

Style

Cone & Cup

Precision Rating

Class 4

Cone Number

49580

Cup Number

49521

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.40

Y2 (Axial Load Factor)

1.50

Static Load Rating

35000 lbf156000 N156.00 kN

Dynamic Load Rating

27400 lbf122000 N122.00 kN

Enclosure

Open

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Tapered Roller Set - Inch Series and J Series - Dimensions

B

1.8750 in47.625 mm

D

4.0000 in101.600 mm

Wo

1.1250 in28.575 mm

Wi

1.2500 in31.750 mm

W

1.3750 in34.925 mm

r

0.13 in3.3 mm

R

0.14 in3.5 mm

a (Effective Load Center)

-0.28 in-7.1 mm

U

2.36 in60.0 mm

V

2.17 in55.0 mm

X

3.78 in96.0 mm

Z

3.46 in88.0 mm