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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

Technical Specifications

material Case Carburized Steel
enclosure Open
bearing type Tapered Roller Bearing

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