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Unit of Measure

Technical Specifications

Type

Tapered Roller Bearing

Bore Type

Round

Material

Case Carburized Steel

Limiting Speed - Grease

5000 RPM

Style

Cone & Cup

Precision Rating

Class 4

Cone Number

28158

Cup Number

28300

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.40

Y2 (Axial Load Factor)

1.49

Static Load Rating

14200 lbf63000 N63.00 kN

Dynamic Load Rating

12500 lbf55500 N55.50 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

1.5748 in40.000 mm

D

3.0000 in76.200 mm

Wo

0.6105 in15.507 mm

Wi

0.8244 in20.940 mm

W

0.8125 in20.638 mm

r

0.0500 in1.300 mm

R

0.06 in1.5 mm

a (Effective Load Center)

-0.1900 in-4.800 mm

U

1.87 in47.5 mm

V

1.77 in45.0 mm

X

2.80 in71.0 mm

Z

2.68 in68.0 mm

ras max

0.0591 in2.000 mm

r1as max

0.0512 in1.000 mm