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Airframe Roller Bearing NSN 3110-00-278-6704

Item Description

A cylindrical item in which the inner or outer ring turns upon row(s) of hardened roller, 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, roller, cylindrical.

NSN 3110-00-278-6704 NSN: 3110-00-278-6704

  Stock Availability

NSN 3110002786704 availability
(as of 06/14/2022).

  • NS: 38
  • NE: 7
  • AR: 1

Note: Availability of this item may have changed since it was last checked. Request a quote for an updated price and availability quote.

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Features and Characteristics

Bore Diameter
Between 0.3120 inches and 0.3125 inches
Overall Outside Diameter
Between 1.2495 inches and 1.2500 inches
Lubrication Material
Grease
Outer Ring Width
0.3750 inches
Inner Ring Width
0.5580 inches
Seal Quantity
2
Shield Quantity
2
Bearing Seal Type
Contact
Special Features
Steel retaining ring; lubricant hole and grove in outer ring od; 10 degreealignment in either direction
Lubrication Material Specification
Mil-g-23827 military specification single material response
Material
Steel comp e52100 roller
Material Specification
Qq-s-763 federal specification single material response shield
Surface Treatment
Cadmium all external/exposed metal surfaces
Style Designator
Concave roller, double closure, self aligning
FSC
3110 Unmounted Antifriction Bearings
NIIN
002786704
NSN
3110002786704

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
SA5-20A
Cage Code:
77896
Status:
A
MSDS:
Part Number:
BP5
Cage Code:
77896
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 8482800080
  • NAICS: 332991
  • SITC: 74680
  • Description: Other ball or roller bearings, including combined ball/roller bearings, nesoi
  • End Use (Code 21180):
    Industrial machines, other

Q & A

Frequently asked questions for NSN 3110-00-278-6704
What are the manufacturers of nsn 3110002786704?
Does this nsn 3110002786704 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3110002786704
A cylindrical item in which the inner or outer ring turns upon row(s) of hardened roller, 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, roller, cylindrical.
Does nsn 3110002786704 contain any precious metals?
Precious metal content is unknown.
Does nsn 3110002786704 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3110002786704?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
00046
FIIG:
A044A0
App. Key:
U
Cond. Code:
1
Status:
A

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