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3977/3920

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NTN 3977/3920 MEDIUM SIZE TRB 101.6<D<=203.2

MODEL 3977/3920

BRAND

SKU

281456

UOM

each

$403.10 Each

Prices are subject to change

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Bearing Modification Services

Typically Ships in: 1 day

Returnable:No

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Type

Tapered Roller Bearing

Enclosure

Open

Style

Cone & Cup

Material

Case Carburized Steel

Configuration

One

Static Load Rating

42000 lbf

Precision Rating

Class 2

Y2 (Axial Load Factor)

1.49

Lubrication

w/o Oil Hole

Bore Type

Round

Cone Number

3977

Dynamic Load Rating

28100 lbf

Operating Temperature Range

-40 to 250 °F

e (Axial Load Factor)

0.40

Cup Number

3920

Technical Specifications

Type

Tapered Roller Bearing

Bore Type

Round

Material

Case Carburized Steel

Style

Cone & Cup

Precision Rating

Class 2

Cone Number

3977

Cup Number

3920

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.40

Y2 (Axial Load Factor)

1.49

Static Load Rating

42000 lbf187000 N187.00 kN

Dynamic Load Rating

28100 lbf125000 N125.00 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

2.3622 in60.000 mm

D

4.4375 in112.712 mm

Wo

0.9375 in23.812 mm

Wi

1.1830 in30.048 mm

W

1.1875 in30.163 mm

r

0.1300 in3.300 mm

R

0.14 in3.5 mm

a (Effective Load Center)

-0.1800 in-4.600 mm

U

2.91 in74.0 mm

V

2.68 in68.0 mm

X

4.17 in106.0 mm

Z

3.90 in99.0 mm

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Return policy

Item must be unused.

Item must be in it's original package.