Airframe Ball Bearing

SKU: 3110000420445 | Model: 1273852&1
NSN 3110-00-042-0445 NSN 3110-00-042-0445

1.4380" bore diameter, 2.1875" outside diameter, grease lubrication material, 0.3750" outer ring width, 0.4370" inner ring width

Specifications from the Manufacturer

Bore Diameter:
1.4380 inches nominal
Overall Outside Diameter:
2.1875 inches nominal
Lubrication Material:
Outer Ring Width:
0.3750 inches nominal
Inner Ring Width:
0.4370 inches nominal
Seal Quantity:
Bearing Seal Type:
Load Direction:
Standard Tolerance Designation:
Afbma std tolerance for airframe ball bearings
Special Features:
X80 pct. full of mil-g-81322,heat treat rings and balls to rockwell c 60 to 66 and stabilized for operation at 250 deg. f,radial and lateral eccentricity,inner ring 0.0010 in. outer ring 0.0016 in.,0.0003-0.0010 in. radial clearance
Lubrication Material Document And Classification:
Mil-g-81322 mil spec single material response
Plastic polytetrafluoroethylene seal
Steel corrosion resisting retainer
Material Document And Classification:
66 fed std all material responses ball
Material Document And Classification:
Ams 3652 assn std single material response seal
Surface Treatment:
Cadmium ball
Surface Treatment:
Cadmium outer ring
Surface Treatment Document And Classification:
Qq-p-416,ty 1,cl 2 fed spec single treatment response ball
Surface Treatment Document And Classification:
Qq-p-416,ty 1,cl 2 fed spec single treatment response outer ring
Style Designator:
Single row inner ring extended both sides

Pricing and Availability

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Recently Updated in Bearings, Antifriction, Unmounted
NSN 3110-00-080-0169 Annular Ball Bearing

0.1406" width, 0.0937" bore diameter, 0.3125" outside diameter, oil lubrication material, ground surface finish

NSN 3110-00-080-0073 Annular Ball Bearing

12.0MM width, 17.00MM bore diameter, 40.00MM outside diameter, grease lubrication material, ground surface finish

NSN 3110-00-080-0003 Annular Ball Bearing

5.0MM width, 4.00MM bore diameter, 16.00MM outside diameter, grease lubrication material, ground surface finish

NSN 3110-00-079-9979 Needle Roller Bearing

Rigid alignment type, ABM standard tolerance for industrial needle bearings standard tolerance designation, dumb ell rollers; oil hole

NSN 3110-00-042-0445 Datasheet

Supply Class:


Cross Reference:

  • 1273852&1
  • KP23BFS428
  • AS27642
  • KP23BFS464
  • MS27642-23
  • KP23BFS10160
  • AN202KP23B
  • MS20202KP23B
  • KP23B

Cage Codes:

  • Honeywell Intl Inc (CAGE 55972)
  • Timken Company, The (CAGE 21335)
  • Society Of Automotive Engineers Inc (CAGE 81343)
  • Industrial Tectonics Bearings (CAGE 06144)
  • Air Force-navy Aeronautical (CAGE 81352)
  • Military Standards (CAGE 96906)
  • Skf Usa Inc (CAGE 38443)

Replaced or Cancelled:

3110-00-042-0445 replaces the national stock number 3110-00-142-4486


NIIN: 000420445
NSN: 3110000420445
DEMIL Code Meaning: Non-usml/non-ccli - no demil or dod tsc required. department of commerce may impose licensing requirements to certain destinations.

Freight Codes:

NMF Desc: Bearings/bushings Noi Ball/roller
NMFC: 114820
UFC: 58860
LTL: 77.5
WCC: Bearings
TCC: No special type of cargo code applicable
SHC: Other or no special handling required (sh)
ADC: Shipment is not a consolidation and does not exceed 84 inches in any dimension.
ACC: Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing
ASH: No special handling required.

Management Codes:

CTL: 9B----- (MOE: DN), SF9---V (MOE: DF)
AAC: Dod integrated materiel-managed, stocked, and issued issue, transfer, or shipment is not subject to specialized controls other than those imposed by the integrated materiel manager/service supply policy. 1. the item is centrally managed, stocked,
QUP: 1
SLC: 0

Reference Drawing:

[drawing of 3110-00-042-0445]

Schedule B & Trade:

8482105068 (NAICS 332991)
Ball bearings, nesoi

Ball bearings

End Use:

Industrial machines, other

Questions & Answers:

What are the historical prices recorded for this stock number?
No pre-dated pricing for this NSN could be found.
Does NSN 3110-00-042-0445 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
No recorded entities for this stock number.
How is national stock number 3110-00-042-0445 defined?
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.
What is the NIIN of NSN 3110-00-042-0445?
000420445 or 00-042-0445
Does this item require Demilitarization?
Non-usml/non-ccli - no demil or dod tsc required. department of commerce may impose licensing requirements to certain destinations. (note 9).
Is NSN 3110000420445 ITAR controlled?
No. This item is not ITAR Controlled.
What is the most recent solicitation for NSN 3110000420445?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 13, 1972