Model: BL9122

Spur Gear

Special Features:

3 holes through first step of hub equally spaced 0.186 in.Min, 0.191 in.Max dia. Angular location may vary freely

Properties:

Body Style
Plain, solid
Attachment Method
Mounting hole
Pitch Diameter
2.3125 inches
Teeth Quantity
74
Bore Style
W/counterbore both ends
Hardness Rating
32.0 rockwell c and 36.0 rockwell c
Mounting Hole Type And Quantity
6 plain axially through body, first end
Outside Diameter
2.375 inches
Tooth Form
Standard
Pressure Angle
20.0000 degrees
Distance Between Body Face And Protruding Hub End
3.032 inches first end
Body Recess Depth
0.124 inches second end
Face Width
0.468 inches
Bore Diameter
0.250 inches both ends
Counterbore Depth
0.344 inches second end
Counterbore Diameter
1.250 inches second end
Hub Style Designator
3 steps first end
End Length
0.625 inches first end
End Diameter
0.499 inches first end
First Step Length
1.875 inches first end
First Step Diameter
0.938 inches first end
Second Step Length
0.781 inches first end
Second Step Diameter
1.001 inches first end
Third Step Length
0.626 inches first end
Third Step Diameter
1.500 inches first end
Mounting Hole Diameter
0.190 inches axially through body, first end
Material
Steel comp 4340
Material Specification
Mil-s-5000, cond c4 military specification single material response
Style Designator
Protruding hub, recessed body
NSN
3020-01-026-2441
Part Number
BL9122
Description
Gear,spur
CAGE
08484

A gear, cylindrical in form, with straight teeth on the outer surface parallel to the axis of the gear. See also gear, antibacklash, spur. For bulk material, see rod, pinion.

Part BL9122 NSN 3020-01-026-2441

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05466
FIIG:
A27300
Concept No.:
1
App. Key:
AH
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:
0.8000lbs
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:
197337
UFC:
96690
LTL:
RATING VARIABLE
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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