Unit of Measure

Technical Specifications

Type

Tapered Roller Bearing

Bore Type

Round

Material

Case Carburized Steel

Style

TS Assembly

Precision Rating

Class 2

Cone Number

34301

Cup Number

34478DB

Configuration

Two

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.45

Y2 (Axial Load Factor)

1.33

Static Load Rating

43500 lbf194000 N194.00 kN

Dynamic Load Rating

20600 lbf91500 N91.50 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

3.0000 in76.200 mm

D

4.7812 in121.442 mm

Wo

1.4860 in37.744 mm

Wi

0.9688 in24.608 mm

R

0.14 in3.5 mm