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NTN 3781/3720 SMALL SIZE TRB D<=101.6

BRAND: NTN Bearing | MODEL: 3781/3720 | CONDITION: NEW | SKU: 281499
NTN 3781/3720 SMALL SIZE TRB D<=101.6

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$53.74
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Weight: 1.92 lbs UOM: EA
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Additional Description

CAD drawing

Documents

Description

Technical Specifications

Type

Tapered Roller Bearing

Bore Type

Round

Material

Case Carburized Steel

Style

Cone & Cup

Precision Rating

Class 2

Cone N / umber

3781

Cup N / umber

3720

Configuration

One

Lubrication

w/o Oil Hole

e (Axial Load Factor)

0.34

Y2 (Axial Load Factor)

1.77

Static Load Rating

33500 lbf / 148000 N / 148.00 kN

Dynamic Load Rating

24500 lbf / 109000 N / 109.00 kN

Enclosure

Open

Operating Temperature Range

-40 to 250 ºF / -40 to 120 ºC

Dimensional Specifications

B

1.9375 in / 49.212 mm

D

3.6718 in / 93.264 mm

Wo

0.9375 in / 23.813 mm

Wi

1.1930 in / 30.302 mm

W

1.1875 in / 30.162 mm

r

0.1300 in / 3.300 mm

R

0.14 in / 3.5 mm

a (Effective Load Center)

-0.3200 in / -8.100 mm

U

2.44 in / 62.0 mm

V

2.20 in / 56.0 mm

X

3.46 in / 88.0 mm

Z

3.23 in / 82.0 mm