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Self-aligning Plain Bearing NSN 3120-01-183-4120

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 3120-01-183-4120 NSN: 3120-01-183-4120

Features and Characteristics

Bore Diameter
Between 0.3745 inches and 0.3750 inches
Lubrication Material
Lubricant, dry film
Outer Member Outside Diameter
Between 0.8745 inches and 0.8750 inches
Outer Member Width
Between 0.2450 inches and 0.2500 inches
Inner Member Width
Between 0.3080 inches and 0.3130 inches
Static Radial Load Rating
18000 pounds
Hardness Rating
56.0 rockwell c inner member
Material
Steel comp 630 outer race member
Material Specification
Ams 5643 assn standard single material response outer race member
Surface Treatment
Chromium inner member
Style Designator
Without insert or liner
FSC
3120 Unmounted Plain Bearings
NIIN
011834120
NSN
3120011834120

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
55649
Cage Code:
09455
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 3120-01-183-4120
What are the manufacturers of nsn 3120011834120?
Does this nsn 3120011834120 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3120011834120
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 3120011834120 contain any precious metals?
No precious metal content.
Does nsn 3120011834120 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3120011834120?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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