Model: TG2491

Helical Gear

Properties:

Body Style
Webbed, offset, with lightening holes
Pitch Diameter
8.2220 inches
Teeth Quantity
74
Bore Style
10a w/ keyway both ends
Bore Style
W/ keyway both ends
Hardness Rating
89.0 rockwell b
Outside Diameter
8.4190 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Right
Pressure Angle
20.0000 degrees
Helix Angle
25.8487 degrees
Distance Between Body Face And Protruding Hub End
0.3750 inches first end
Distance Between Body Face And Recessed Hub End
0.0600 inches second end
Face Width
1.1250 inches
Bore Diameter
1.5007 inches both ends
Keyway Width
0.252 inches both ends
Distance From Bore Center To Keyway Bottom
0.8721 inches both ends
Hub Style Designator
Plain both ends
Hub Diameter
2.2550 inches first end
Hub Diameter
2.4950 inches second end
Material
Steel
Material Specification
66, comp 1018-1030 and 1035-1039 federal standard single material response
Style Designator
One protruding hub, one recessed hub
NSN
3020-00-541-4825
Part Number
TG2491
Description
Gear,helical
CAGE
31033

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 TG2491 NSN 3020-00-541-4825

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

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.9000lbs
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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