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

18590

Cup Number

18520

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.35

Y2 (Axial Load Factor)

1.71

Static Load Rating

12500 lbf55500 N55.50 kN

Dynamic Load Rating

10300 lbf46000 N46.00 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

1.6250 in41.275 mm

D

2.8750 in73.025 mm

Wo

0.5000 in12.700 mm

Wi

0.6875 in17.462 mm

W

0.6562 in16.667 mm

r

0.0600 in1.500 mm

R

0.14 in3.5 mm

a (Effective Load Center)

-0.11 in-2.9 mm

U

2.09 in53.0 mm

V

1.81 in46.0 mm

X

2.72 in69.0 mm

Z

2.60 in66.0 mm