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Self-aligning Plain Bearing NSN 3120-01-040-3946

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 3120-01-040-3946 NSN: 3120-01-040-3946

Features and Characteristics

Bore Diameter
Between 0.4370 inches and 0.4375 inches
Outer Member Outside Diameter
Between 1.1870 inches and 1.1875 inches
Outer Member Width
Between 0.4950 inches and 0.5050 inches
Inner Member Width
Between 0.9380 inches and 0.9400 inches
Static Radial Load Rating
14000 pounds
Hardness Rating
55.0 rockwell c inner member and 62.0 rockwell c inner member
Material
Steel comp 410 outer race member and steel comp 630 outer race member
Material Specification
Fed standard 66 federal standard 1st material response outer race member and aisi 410 assn standard 1st material response outer race member and sae 51410 assn standard 1st material response outer race member and ams 5643 assn standard 2nd material response outer race member
Style Designator
With insert and/or liner with staking groove
FSC
3120 Unmounted Plain Bearings
NIIN
010403946
NSN
3120010403946

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
53G970718-27
Cage Code:
76301
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 3120-01-040-3946
What are the manufacturers of nsn 3120010403946?
Does this nsn 3120010403946 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3120010403946
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 3120010403946 contain any precious metals?
Precious metal content is unknown.
Does nsn 3120010403946 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3120010403946?
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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