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Airframe Ball Bearing NSN 3110-00-198-1555

Item Description

A cylindrical item in which the inner or outer ring turns upon row(s) of hardened ball, bearing which roll on a raceway, thus minimizing friction. These items are characterized by their noncorrosive qualities, lightness of weight, inch dimensions rather than metric, inner rings generally projecting beyond the faces of the outer ring, or a very narrow width inner ring having an outside diameter slightly larger than the bore diameter. Designed primarily for use in aircraft assemblies, such as control systems and surfaces of aircraft. Excludes bearing, ball, annular.

NSN 3110-00-198-1555 NSN: 3110-00-198-1555

Features and Characteristics

Bore Diameter
0.2500 inches
Overall Outside Diameter
0.8130 inches
Lubrication Material
Grease
Outer Ring Width
0.4080 inches
Inner Ring Width
0.6250 inches
Retainer Fabrication Method
Pressed
Seal Quantity
2
Bearing Seal Type
Contact
Load Direction
Radial
Lubrication Material Specification
Mil-g-3278 military specification single material response
Material
Steel retainer
Surface Treatment
Cadmium all external/exposed metal surfaces
Style Designator
Single row inner ring extended both sides
FSC
3110 Unmounted Antifriction Bearings
NIIN
001981555
NSN
3110001981555

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
S1K6
Cage Code:
21760
Status:
A
MSDS:
Part Number:
S1K6A
Cage Code:
21335
Status:
A
MSDS:
Part Number:
S1K6MILG3278
Cage Code:
21335
Status:
A
MSDS:
Part Number:
S1K6MILG3278A
Cage Code:
21335
Status:
A
MSDS:
Part Number:
XA195
Cage Code:
43991
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8482105068
  • NAICS: 332991
  • SITC: 74610
  • Description: Ball bearings, nesoi
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 3110-00-198-1555
What are the manufacturers of nsn 3110001981555?
Does this nsn 3110001981555 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3110001981555
A cylindrical item in which the inner or outer ring turns upon row(s) of hardened ball, bearing which roll on a raceway, thus minimizing friction. these items are characterized by their noncorrosive qualities, lightness of weight, inch dimensions rather than metric, inner rings generally projecting beyond the faces of the outer ring, or a very narrow width inner ring having an outside diameter slightly larger than the bore diameter. designed primarily for use in aircraft assemblies, such as control systems and surfaces of aircraft. excludes bearing, ball, annular.
Does nsn 3110001981555 contain any precious metals?
Precious metal content is unknown.
Does nsn 3110001981555 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3110001981555?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
00041
FIIG:
A044A0
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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