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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 2

Cone Number

48190

Cup Number

48120

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.51

Y2 (Axial Load Factor)

1.19

Static Load Rating

69500 lbf310000 N310.00 kN

Dynamic Load Rating

40000 lbf177000 N177.00 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

4.2500 in107.950 mm

D

6.3750 in161.925 mm

Wo

1.0625 in26.988 mm

Wi

1.3750 in34.925 mm

W

1.3750 in34.925 mm

r

0.13 in3.3 mm

R

0.14 in3.5 mm

a (Effective Load Center)

0.15 in3.8 mm

U

4.80 in122.0 mm

V

4.57 in116.0 mm

X

6.14 in156.0 mm

Z

5.75 in146.0 mm