Print Back
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

34275

Cup Number

34478

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.45

Y2 (Axial Load Factor)

1.33

Static Load Rating

30500 lbf136000 N136.00 kN

Dynamic Load Rating

20100 lbf89500 N89.50 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

2.7559 in70.000 mm

D

4.7812 in121.442 mm

Wo

0.6875 in17.463 mm

Wi

0.9060 in23.012 mm

W

0.9688 in24.608 mm

r

0.0800 in2.000 mm

R

0.08 in2.0 mm

a (Effective Load Center)

0.0600 in1.500 mm

U

3.19 in81.0 mm

V

3.11 in79.0 mm

X

4.57 in116.0 mm

Z

4.33 in110.0 mm