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

6376

Cup Number

6321

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.32

Y2 (Axial Load Factor)

1.85

Static Load Rating

91000 lbf405000 N405.00 kN

Dynamic Load Rating

65000 lbf290000 N290.00 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

2.3750 in60.325 mm

D

5.1875 in131.763 mm

Wo

1.7500 in44.450 mm

Wi

2.2050 in56.007 mm

W

2.1250 in53.975 mm

r

0.13 in3.3 mm

R

0.14 in3.5 mm

a (Effective Load Center)

-0.76 in-19.3 mm

U

3.03 in77.0 mm

V

2.72 in69.0 mm

X

4.80 in122.0 mm

Z

4.45 in113.0 mm