Bearing Finder
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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 4

Cone Number

21075

Cup Number

21212

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.59

Y2 (Axial Load Factor)

1.02

Static Load Rating

8750 lbf39000 N39.00 kN

Dynamic Load Rating

9000 lbf40000 N40.00 kN

Enclosure

Open

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications

Open Image
Tapered Roller Set - Inch Series and J Series - Dimensions

B

0.7500 in19.050 mm

D

2.1250 in53.975 mm

Wo

0.6250 in15.875 mm

Wi

0.8598 in21.839 mm

W

0.8750 in22.225 mm

r

0.0900 in2.300 mm

R

0.06 in1.5 mm

a (Effective Load Center)

-0.2200 in-5.600 mm

U

1.24 in31.5 mm

V

1.02 in26.0 mm

X

1.97 in50.0 mm

Z

1.69 in43.0 mm