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Unit of Measure

Technical Specifications

Type

N/A Tapered Roller Bearing

Bore Type

N/A Round

Material

N/A Case Carburized Steel

Style

N/A Cone & Cup

Precision Rating

N/A Class 4

Cone Number

N/A 12580

Cup Number

N/A 12520

Configuration

N/A One

Lubrication

N/A w/o Oil Hole

e (Axial Load Factor)

N/A 0.32

Y2 (Axial Load Factor)

N/A 1.86

Static Load Rating

N/A 8750 lbf39000 N39.00 kN

Dynamic Load Rating

N/A 8450 lbf37500 N37.50 kN

Enclosure

N/A Open

Operating Temperature Range

N/A -40 to 250 ºF-40 to 120 ºC

Dimensional Specifications


Tapered Roller Set - Inch Series and J Series - Dimensions

B

N/A 0.8125 in20.638 mm

D

N/A 1.9380 in49.225 mm

Wo

N/A 0.6250 in15.875 mm

Wi

N/A 0.7813 in19.845 mm

W

N/A 0.7813 in19.845 mm

r

N/A 0.0600 in1.500 mm

R

N/A 0.06 in1.5 mm

a (Effective Load Center)

N/A -0.28 in-7.1 mm

U

N/A 1.12 in28.5 mm

V

N/A 1.02 in26.0 mm

X

N/A 1.79 in45.5 mm

Z

N/A 1.67 in42.5 mm