Bearing Finder
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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

LM78349

Cup Number

LM78310A

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.44

Y2 (Axial Load Factor)

1.35

Static Load Rating

10800 lbf48000 N48.00 kN

Dynamic Load Rating

8300 lbf37000 N37.00 kN

Enclosure

Open

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Open Image
Tapered Roller Set - Inch Series and J Series - Dimensions

B

1.3775 in34.988 mm

D

2.4399 in61.973 mm

Wo

0.5354 in13.600 mm

Wi

0.6693 in17.000 mm

W

0.6575 in16.700 mm

r

0.0600 in1.500 mm

R

0.14 in3.5 mm

a (Effective Load Center)

-0.0900 in-2.400 mm

U

1.81 in46.0 mm

V

1.57 in40.0 mm

X

2.32 in59.0 mm

Z

2.13 in54.0 mm