Model: GR880

Helical Gear

Properties:

Body Style
Webbed, solid
Pitch Diameter
7.5920 inches
Teeth Quantity
44
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Hardness Rating
40.0 rockwell c teeth and 46.0 rockwell c teeth
Hardness Rating
20.3 rockwell c hub and 25.6 rockwell c hub
Outside Diameter
7.9250 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
15.0000 degrees
Distance Between Body Face And Protruding Hub End
0.8715 inches first end
Face Width
3.187 inches
Bore Diameter
2.751 inches both ends
Keyway Width
0.752 inches both ends
Distance From Bore Center To Keyway Bottom
1.707 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
3.750 inches second end
Hub Diameter
4.250 inches first end
Material
Steel
Material Specification
Fed standard 66 federal standard single material response
Style Designator
One protruding hub, one flush hub
NSN
3020-00-289-7957
Part Number
GR880
Description
Gear,helical
CAGE
77873

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 GR880 NSN 3020-00-289-7957

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:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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