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Self-aligning Plain Bearing NSN 3120-01-318-0021

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 3120-01-318-0021 NSN: 3120-01-318-0021

Features and Characteristics

Bore Diameter
Between 6.2740 inches and 6.2750 inches
Outer Member Outside Diameter
Between 6.8990 inches and 6.9000 inches
Outer Member Width
Between 0.8950 inches and 0.9000 inches
Inner Member Width
Between 1.2900 inches and 1.3150 inches
Static Radial Load Rating
12500 pounds
Special Features
Outer ring has three holding tabseach with a 0.2810 in. Min., 0.2860 in. Max. Hole thru; item used on f1, with end item f16a/b/c/d
Material
Aluminum alloy 2024 outer race member
Material Specification
Qq-a-225/6 federal specification single material response outer race member
Style Designator
Without insert or liner
FSC
3120 Unmounted Plain Bearings
NIIN
013180021
NSN
3120013180021

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
ADSB100-306
Cage Code:
15860
Status:
A
MSDS:
Part Number:
HSP100TL105
Cage Code:
02758
Status:
A
MSDS:
Part Number:
KSAD100-9
Cage Code:
97613
Status:
A
MSDS:
Part Number:
AFT-100T-3
Cage Code:
56644
Status:
A
MSDS:
Part Number:
SWKN-100-008
Cage Code:
81376
Status:
A
MSDS:
Part Number:
C7547-6
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 3120-01-318-0021
What are the manufacturers of nsn 3120013180021?
Does this nsn 3120013180021 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3120013180021
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 3120013180021 contain any precious metals?
No precious metal content.
Does nsn 3120013180021 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3120013180021?
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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