Model: ST4M189-5

Self-aligning Plain Bearing

Properties:

Bore Diameter
0.3125 inches
End Application
F-15sa
Outer Member Outside Diameter
0.9060 inches
Outer Member Width
0.345 inches
Inner Member Width
0.813 inches
Static Radial Load Rating
13500 pounds
Hardness Rating
23.0 rockwell c and 35.0 rockwell c outer ring
Hardness Rating
55.0 rockwell c and 62.0 rockwell c spherical surface
Part Name Assigned By Controlling Agency
Bearing-plain, special, grooved outer ring, tfe lines
Material
Plastic polytetrafluoroethylene bore liner
Material
Steel comp 440c spherical surface
Material
Steel comp 630 outer ring
Style Designator
With insert and/or liner
NSN
3120-01-624-4899
Part Number
ST4M189-5
Description
Bearing,plain,self-aligning
CAGE
76301

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 item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes bearing, plain, rod end and bearing, plain, spherical.

Part ST4M189-5 NSN 3120-01-624-4899

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
13208
FIIG:
A045A0
Concept No.:
App. Key:
B
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:
A
ESD:
A
MMAC:
CRITL:
X

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Schedule B and Export
  • Schedule B: 8482300040
  • SITC: 74630
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Spherical roller bearings, single row

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