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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

NA48290SW

Cup Number

48220D

Configuration

Two

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.31

Y2 (Axial Load Factor)

1.97

Static Load Rating

111000 lbf495000 N495.00 kN

Dynamic Load Rating

55500 lbf247000 N247.00 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

5.0000 in127.000 mm

D

7.1875 in182.563 mm

Wo

2.8750 in73.025 mm

Wi

1.8437 in46.830 mm

r

0.03 in0.8 mm

R

0.14 in3.5 mm