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Self-aligning Plain Bearing NSN 3120-00-812-3977

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 3120-00-812-3977 NSN: 3120-00-812-3977

Features and Characteristics

Bore Diameter
Between 0.2495 inches and 0.2500 inches
Lubrication Material
Lubricant, manufacturers standard
Outer Member Outside Diameter
Between 0.6557 inches and 0.6562 inches
Outer Member Width
Between 0.2450 inches and 0.2550 inches
Inner Member Width
Between 0.3380 inches and 0.3430 inches
Static Radial Load Rating
4200 pounds
Hardness Rating
59.0 rockwell c inner member
Lubrication Feature
Perforation outer race member
Special Features
Magnetic inspection required, dry film lubrication on id of the outer race member and on the id and od of the inner race member
Material
Steel comp e52100 inner member
Surface Treatment
Cadmium outer race member
Style Designator
Without insert or liner
FSC
3120 Unmounted Plain Bearings
NIIN
008123977
NSN
3120008123977

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
HGL4-123
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 3120-00-812-3977
What are the manufacturers of nsn 3120008123977?
Does this nsn 3120008123977 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3120008123977
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 3120008123977 contain any precious metals?
No precious metal content.
Does nsn 3120008123977 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3120008123977?
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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