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Unit of Measure

Technical Specifications

Type

Tapered Roller Bearing

Bore Type

Round

Material

Case Carburized Steel

Limiting Speed - Grease

5200 RPM

Style

Cone & Cup

Precision Rating

Not Available

Cone Number

2878

Cup Number

2820

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.37

Y2 (Axial Load Factor)

1.63

Static Load Rating

16973 lbf75500 N75.50 kN

Dynamic Load Rating

14051 lbf62500 N62.50 kN

Enclosure

Open

Weight

0.944 lb0.430 kg

Operating Temperature Range

-40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Tapered Roller Set - Inch Series and J Series - Dimensions

B

1.3750 in34.925 mm

D

2.8750 in73.025 mm

Wo

0.6875 in17.463 mm

Wi

0.9375 in23.812 mm

W

0.8750 in22.225 mm

r

0.1300 in3.300 mm

R

0.03 in0.8 mm

a (Effective Load Center)

-0.2200 in-5.500 mm

U

1.65 in42.0 mm

V

1.61 in41.0 mm

X

2.68 in68.0 mm

Z

2.48 in63.0 mm

ras max

0.0315 in0.8 mm

r1as max

0.1299 in3.000 mm