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

66586

Cup Number

66520

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.67

Y2 (Axial Load Factor)

0.90

Static Load Rating

38000 lbf170000 N170.00 kN

Dynamic Load Rating

31500 lbf139000 N139.00 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

2.3613 in59.977 mm

D

4.8125 in122.238 mm

Wo

0.9375 in23.813 mm

Wi

1.2500 in31.750 mm

W

1.3125 in33.338 mm

r

0.13 in3.3 mm

R

0.06 in1.5 mm

a (Effective Load Center)

0.08 in2.0 mm

U

2.72 in69.0 mm

V

2.72 in69.0 mm

X

4.57 in116.0 mm

Z

4.13 in105.0 mm