Model: 1877-2040

Helical Gear

Special Features:

Externall lubricated bearing

Properties:

Body Style
Webbed, offset, solid
Pitch Diameter
Between 7.6950 inches and 7.6990 inches
Teeth Quantity
55
Bore Style
Plain both ends
Outside Diameter
7.940 inches
Nominallength
2.328 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
14.5000 degrees
Helix Angle
26.8333 degrees
Distance Between Body Face And Protruding Hub End
0.578 inches first end
Face Width
1.750 inches
Bore Diameter
1.502 inches both ends
Hub Style Designator
1 step first end
Hub Style Designator
Plain second end
Hub Diameter
2.500 inches second end
End Length
0.500 inches first end
End Diameter
2.500 inches first end
First Step Length
0.077 inches first end
First Step Diameter
2.718 inches first end
Material
Steel
Style Designator
One protruding hub, one flush hub
NSN
3020-00-371-2853
Part Number
1877-2040
Description
Gear,helical
CAGE
93568

A gear, cylindrical in form, with teeth on the outer surface at an angle to the axis of the gear. See also gear, antibacklash, helical:

Part 1877-2040 NSN 3020-00-371-2853

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05464
FIIG:
A27300
Concept No.:
1
App. Key:
AF
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
197339
UFC:
96710
LTL:
65.0
LCL:
60.0
WCC:
593
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8483409000
  • SITC: 74840
  • End Use: Industrial machines, other
  • NAICS: 333612
  • USDA: 1

Freight Class: Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately

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