Model: DREF-4-194-1

Rod End Plain Bearing

Special Features:

Bearing has a polytetrafluoroethylene liner

Properties:

Thread Class
3b
Thread Direction
Right-hand
Shank Style
Internally threaded w/hexagon end and inspection hole
Overall Length
Between 1.8170 inches and 1.8370 inches
Bore Diameter
Between 0.2495 inches and 0.2500 inches
Outer Member Outside Diameter
Between 0.7710 inches and 0.8160 inches
Bore Center To Shank End Distance
Between 1.4270 inches and 1.4470 inches
Outer Member Width
Between 0.2760 inches and 0.2860 inches
Inner Member Width
Between 0.3700 inches and 0.3750 inches
Shank Thread Length
Between 0.7200 inches and 0.7800 inches
Inspection Hole Center To End Distance
Between 0.2980 inches and 0.3280 inches
Shank Width Across Wrench Flats
Between 0.3700 inches and 0.3750 inches
Static Radial Load Rating
4270 pounds
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Hardness Rating
32.0 rockwell c and 44.0 rockwell c rod end body
Hardness Rating
55.0 rockwell c and 62.0 rockwell c inner member
Material
Plastic polytetrafluoroethylene race liner
Material
Steel comp 440c inner member
Material
Steel rod end body
Material Specification
Ams 5630 assn standard single material response inner member
Material Specification
Ams 5630 assn standard single material response rod end body
Style Designator
Ball type
Thread Series Designator
Unf
Specification Data
S7549-mil-b-81935/2 government specification
NSN
3120-01-337-2413
Part Number
DREF-4-194-1
Description
Bearing,plain,rod End
CAGE
81376

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 DREF-4-194-1 NSN 3120-01-337-2413

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:
A
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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