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Self-aligning Plain Bearing NSN 3120-00-031-1227

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 3120-00-031-1227 NSN: 3120-00-031-1227

Features and Characteristics

Bore Diameter
Between 1.2495 inches and 1.2500 inches
Outer Member Outside Diameter
Between 2.0000 inches and 2.0005 inches
Outer Member Width
Between 0.8000 inches and 0.8100 inches
Inner Member Width
Between 1.1950 inches and 1.2000 inches
Static Radial Load Rating
30200 pounds
Hardness Rating
57.0 rockwell c inner member and 61.0 rockwell c inner member
Material
Steel comp 630 outer race member
Surface Treatment
Chromium inner member
Style Designator
Without insert or liner with staking groove
FSC
3120 Unmounted Plain Bearings
NIIN
000311227
NSN
3120000311227

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
55752
Cage Code:
09455
Status:
A
MSDS:
Part Number:
GB520CM1250H
Cage Code:
15860
Status:
A
MSDS:
Part Number:
ASSB20V65
Cage Code:
15862
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 3120-00-031-1227
What are the manufacturers of nsn 3120000311227?
Does this nsn 3120000311227 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3120000311227
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 3120000311227 contain any precious metals?
Precious metal content is unknown.
Does nsn 3120000311227 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3120000311227?
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
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