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Airframe Ball Bearing NSN 3110-00-977-8704

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 3110-00-977-8704 NSN: 3110-00-977-8704

Features and Characteristics

Bore Diameter
Between 0.2498 inches and 0.2500 inches
Overall Outside Diameter
Between 0.9009 inches and 0.9014 inches
Lubrication Material
Grease
Outer Ring Width
0.4640 inches
Inner Ring Width
Between 0.6820 inches and 0.6870 inches
Seal Quantity
2
Bearing Seal Type
Contact
Alignment Type
Self-aligning
Load Direction
Radial
Self-alignment Location
Internal
Special Features
10 degrees self-alignment in either direction; radial clearance 0.0004 in. Max; controlled starting and alignment torque; lube with 0.24 min to 0.30 max gms of specified grease; seals to be sandwich type 1c steel with polytetrafluoroethylene seal ring; rings heat stabilized at 300 degrees f and 0.4640 in. Max to 0.4590 in . Max with outer ring tolerance
Lubrication Material Specification
Mil-g-23827 military specification single material response
Material
Steel outer ring
Surface Treatment
Cadmium all external/exposed metal surfaces
Style Designator
Double row, self aligning
FSC
3110 Unmounted Antifriction Bearings
NIIN
009778704
NSN
3110009778704

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
C525DSP4
Cage Code:
81755
Status:
A
MSDS:
Part Number:
MDSP4E9105
Cage Code:
3NPS1
Status:
A
MSDS:
Part Number:
NMBDSP4-525
Cage Code:
83086
Status:
A
MSDS:
Part Number:
MDSP-4-7
Cage Code:
38443
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 3110-00-977-8704
What are the manufacturers of nsn 3110009778704?
Does this nsn 3110009778704 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 3110009778704
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 3110009778704 contain any precious metals?
No precious metal content.
Does nsn 3110009778704 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 3110009778704?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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