Model: GB45A

Helical Gear

Special Features:

Drill point timing mark located on side of gear face on center line of tooth space 11 spaces ccw from upper vertical center line

Properties:

Body Style
Webbed, with lightening holes
Attachment Method
Mounting hole
Pitch Diameter
5.0690 inches
Teeth Quantity
48
Bore Style
Plain both ends
Hardness Rating
16.0 rockwell c and 22.0 rockwell c
Mounting Hole Type And Quantity
3 plain axially through body, first end
Outside Diameter
5.267 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
18.7667 degrees
Distance Between Body Face And Protruding Hub End
0.375 inches second end
Body Recess Depth
0.688 inches first end
Face Width
0.750 inches
Bore Diameter
0.751 inches both ends
Hub Style Designator
1 step first end
End Length
0.188 inches first end
End Diameter
2.438 inches first end
First Step Length
0.188 inches first end
First Step Diameter
2.500 inches first end
Mounting Hole Diameter
0.328 inches axially through body, first end
Material
Iron cast
Style Designator
Cone shape body, protruding hub
NSN
3020-00-391-9521
Part Number
GB45A
Description
Gear,helical
CAGE
66289

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 GB45A NSN 3020-00-391-9521

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:
SX
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
2.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

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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