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

27680

Cup Number

27620

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.42

Y2 (Axial Load Factor)

1.44

Static Load Rating

40000 lbf179000 N179.00 kN

Dynamic Load Rating

24500 lbf109000 N109.00 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

2.8750 in73.025 mm

D

4.9375 in125.413 mm

Wo

0.7813 in19.845 mm

Wi

1.00000 in25.400 mm

W

1.0000 in25.400 mm

r

0.0600 in1.500 mm

R

0.14 in3.5 mm

a (Effective Load Center)

0.02 in0.5 mm

U

3.54 in90.0 mm

V

3.19 in81.0 mm

X

4.72 in120.0 mm

Z

4.53 in115.0 mm