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Self-aligning Plain Bearing NSN 3120-00-777-2305

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 3120-00-777-2305 NSN: 3120-00-777-2305

Features and Characteristics

Bore Diameter
Between 2.2492 inches and 2.2497 inches
Lubrication Material
Lubricating oil
Outer Member Outside Diameter
Between 3.5617 inches and 3.5625 inches
Outer Member Width
Between 1.6870 inches and 1.6970 inches
Inner Member Width
Between 1.9640 inches and 1.9690 inches
Lubrication Feature
Groove internal surfaces
Material
Steel comp e4340 outer race member
Material Specification
Mil-s-5000 military specification single material response outer race member
Precious Material
Silver
Surface Treatment
Silver outer race member
Style Designator
Without insert or liner
FSC
3120 Unmounted Plain Bearings
NIIN
007772305
NSN
3120007772305

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
39-21057-1
Cage Code:
02758
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 3120-00-777-2305
What are the manufacturers of nsn 3120007772305?
Does this nsn 3120007772305 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3120007772305
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 3120007772305 contain any precious metals?
Item contains silver.
Does nsn 3120007772305 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3120007772305?
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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