Model: MS21231-12

Self-aligning Plain Bearing

Properties:

Bore Diameter
Between 0.7495 inches and 0.7500 inches
Outer Member Outside Diameter
Between 1.3745 inches and 1.3750 inches
Outer Member Width
Between 0.6250 inches and 0.6350 inches
Inner Member Width
Between 0.8730 inches and 0.8750 inches
Static Radial Load Rating
52300 pounds
Hardness Rating
23.0 rockwell c outer race member
Hardness Rating
55.0 rockwell c inner member
Material
Plastic polytetrafluoroethylene race liner
Material
Stainless steel inner member
Material
Stainless steel outer race member
Style Designator
With insert and/or liner
NSN
3120-00-959-0513
Part Number
MS21231-12
Description
Bearing,plain,self-aligning
CAGE
96906

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 MS21231-12 NSN 3120-00-959-0513

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:
ESD:
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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