Model: HFF12

Rod End Plain Bearing

Properties:

Thread Class
2b
Thread Direction
Right-hand
Shank Style
Internally threaded w/bead and wrench flats and inspection hole
Overall Length
3.7500 inches
Bore Diameter
Between 0.7495 inches and 0.7515 inches
Outer Member Outside Diameter
1.7500 inches
Bore Center To Shank End Distance
2.8750 inches
Outer Member Width
0.6920 inches
Inner Member Width
Between 0.8700 inches and 0.8750 inches
Shank End To Shoulder Length
2.0000 inches
Shank Thread Length
1.1250 inches
Inspection Hole Center To End Distance
0.8750 inches
Shank Width Across Wrench Flats
1.0000 inches
Thread Diameter
0.750 inches
Thready Qty Per Inch (tpi)
16
Hardness Rating
60.0 rockwell c inner member and 90.0 rockwell c inner member
Hardness Rating
60.0 rockwell c outer race member and 90.0 rockwell c outer race member
Material
Copper alloy race insert
Material
Steel comp 1018 outer race member
Material
Steel inner member
Material Specification
Qq-b-637 federal specification single material response race insert
Surface Treatment
Cadmium inner member
Surface Treatment
Cadmium outer race member
Style Designator
Shouldered ball type
Thread Series Designator
Unf
NSN
3120-00-684-2790
Part Number
HFF12
Description
Bearing,plain,rod End
CAGE
73134

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The outer member of the assembly is modified to provide a shank. The inner member may be either a plain spherical bearing or a sleeve bearing. Excludes bearing, plain, spherical and bearing, plain, self-aligning.

Part HFF12 NSN 3120-00-684-2790

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
13209
FIIG:
A045A0
Concept No.:
App. Key:
A
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

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Schedule B and Export
  • Schedule B: 8483308055
  • SITC: 74822
  • End Use: Industrial machines, other
  • NAICS: 336310
  • USDA: 1

Freight Class: Transmission shafts: bearing housings, plain shaft bearings with housing, rod end bearings

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