Bearing Finder
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Ordering Options

 N/A Contact NTN Customer Relations

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 27680

Cup Number

 N/A 27620

Configuration

 N/A One

Lubrication

 N/A w/o Oil Hole

e (Axial Load Factor)

 N/A 0.42

Y2 (Axial Load Factor)

 N/A 1.44

Static Load Rating

 N/A 40000 lbf179000 N179.00 kN

Dynamic Load Rating

 N/A 24500 lbf109000 N109.00 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 2.8750 in73.025 mm

D

 N/A 4.9375 in125.413 mm

Wo

 N/A 0.7813 in19.845 mm

Wi

 N/A 1.0000 in25.400 mm

W

 N/A 1.0000 in25.400 mm

r

 N/A 0.0600 in1.500 mm

R

 N/A 0.14 in3.5 mm

a (Effective Load Center)

 N/A 0.0200 in0.500 mm

U

 N/A 3.54 in90.0 mm

V

 N/A 3.19 in81.0 mm

X

 N/A 4.72 in120.0 mm

Z

 N/A 4.53 in115.0 mm