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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

27880

Cup Number

27820

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.56

Y2 (Axial Load Factor)

1.07

Static Load Rating

18500 lbf82500 N82.50 kN

Dynamic Load Rating

15100 lbf67000 N67.00 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

1.5000 in38.100 mm

D

3.1510 in80.035 mm

Wo

0.7288 in18.512 mm

Wi

0.9330 in23.698 mm

W

0.9688 in24.608 mm

r

0.0600 in1.500 mm

R

0.03 in0.8 mm

a (Effective Load Center)

-0.1000 in-2.500 mm

U

1.89 in48.0 mm

V

1.85 in47.0 mm

X

2.95 in75.0 mm

Z

2.68 in68.0 mm