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3781/3720

Image for Illustration purposes only. Actual product may vary

Tapered Roller Set - Inch Series and J Series

MODEL 3781/3720

BRAND

SKU

281499

WEIGHT

1.919 lb

UOM

each

$292.18 Each

Prices are subject to change

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Bearing Modification Services

Typically Ships in: 1 day

Returnable:No

a (Effective Load Center)

-0.3200 in

B (in)

1.9375

Bore Type

Round

Bore type

Round

Cone Number

3781

Configuration

One

Cup Number

3720

D (in)

3.6718

Dynamic load rating

24500 lbf

Dynamic Load Rating

24500 lbf

e (Axial Load Factor)

0.34

Enclosure

Open

Lubrication

w/o Oil Hole

Material

Case carburized steel

Operating temperature range

-40 to 250 ºF

Operating Temperature Range

-40 to 250 °F

Precision Rating

Class 2

Precision rating

Class 2

R (in)

0.14

r (in)

0.1300

Static load rating

33500 lbf

Static Load Rating

33500 lbf

Style

Cone & cup

Type

Tapered Roller Bearing

U

2.44 in

V

2.20 in

W

1.1875 in

Wi

1.1930 in

Wo

0.9375 in

X

3.46 in

Y2 (Axial Load Factor)

1.77

Z

3.23 in

Technical Specifications

Type

Tapered Roller Bearing

Bore Type

Round

Material

Case Carburized Steel

Style

Cone & Cup

Precision Rating

Class 2

Cone Number

3781

Cup Number

3720

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.34

Y2 (Axial Load Factor)

1.77

Static Load Rating

33500 lbf148000 N148.00 kN

Dynamic Load Rating

24500 lbf109000 N109.00 kN

Enclosure

Open

Operating Temperature Range

-40 to 250 F-40 to 120 C

Dimensional Specifications


Tapered Roller Set - Inch Series and J Series - Dimensions

B

1.9375 in49.212 mm

D

3.6718 in93.264 mm

Wo

0.9375 in23.813 mm

Wi

1.1930 in30.302 mm

W

1.1875 in30.162 mm

r

0.1300 in3.300 mm

R

0.14 in3.5 mm

a (Effective Load Center)

-0.3200 in-8.100 mm

U

2.44 in62.0 mm

V

2.20 in56.0 mm

X

3.46 in88.0 mm

Z

3.23 in82.0 mm

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