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Self-aligning Plain Bearing NSN 3120-01-178-2589

Item Description

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.

NSN 3120-01-178-2589 NSN: 3120-01-178-2589

Features and Characteristics

Bore Diameter
Between 0.2495 inches and 0.2500 inches
Outer Member Outside Diameter
0.6250 inches
Outer Member Width
Between 0.2450 inches and 0.2550 inches
Inner Member Width
Between 0.3380 inches and 0.3480 inches
Static Radial Load Rating
1000 pounds
Hardness Rating
56.0 rockwell c inner member and 62.0 rockwell c inner member
Special Features
Outer member contains three identical bearing, plain, self-aligning
Material
Steel comp 630 race insert
Style Designator
With insert and/or liner
FSC
3120 Unmounted Plain Bearings
NIIN
011782589
NSN
3120011782589

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
9334M97P02
Cage Code:
07482
Status:
A
MSDS:
Part Number:
9334M97P05
Cage Code:
07482
Status:
A
MSDS:
Part Number:
ALK4-160
Cage Code:
15860
Status:
A
MSDS:
Part Number:
ALK4-141
Cage Code:
50294
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8482300040
  • NAICS: 332991
  • SITC: 74630
  • Description: Spherical roller bearings, single row
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 3120-01-178-2589
What are the manufacturers of nsn 3120011782589?
Does this nsn 3120011782589 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3120011782589
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.
Does nsn 3120011782589 contain any precious metals?
No precious metal content.
Does nsn 3120011782589 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3120011782589?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
13208
FIIG:
A045A0
App. Key:
B
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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