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Airframe Roller Bearing

NSN: 3110-00-143-3016 | Model: DAS4-20BQ

A cylindrical item in which the inner or outer ring turns upon ro (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 Properties and Flags
NATO Stock Number
Bore Diameter
0.2500 inches
Overall Outside Diameter
1.2500 inches
Lubrication Material
Outer Ring Width
0.7500 inches
Inner Ring Width
1.1250 inches
Retainer Fabrication Method
Seal Quantity
Shield Quantity
Bearing Seal Type
Special Features
10 degrees self alignment in either direction, lubricant hole and groove in outer ring, heat treated sleeve and collars on inner ring
Lubrication Material Specification
Mil-g-23827 military specification single material response
Surface Treatment
Cadmium all external/exposed metal surfaces
Style Designator
Concave rollers, double closure, self aligning

Inventory Check

The last inventory check on this NSN was done on 06/11/2024. Due to rapid changes in inventory this may not be the current stock qty.

  • New Surplus: 604
  • As Removed: 6
  • New: 224

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

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NSN 3110-00-143-3016 Datasheet

Supply Class (FSC):
Unmounted Antifriction Bearings
Cross Reference:
  • DAS4-20BQ
  • AB4A
  • AB4
  • DAS4-20B
Cage Codes:
  • Rexnord Industries, Llc (CAGE 77896)
  • Viking Air Limited (CAGE L1877)
  • 3110-00-143-3016 replaces 3110-00-143-3008
  • 3110-00-143-3016 replaces 3110-00-183-9790
  • 3110-00-143-3016 replaces 3110-00-198-1162
Schedule B & Trade:
  • Schedule B: 8482800080 (NAICS 332991)

    Other ball or roller bearings, including combined ball/roller bearings, nesoi

  • SITC: 74680

    Ball or roller bearings (including combined ball/roller bearings), n.E.S.

  • End Use: 21180

    Industrial machines, other


N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.


U - Precious metal content is unknown


- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    114820 - Bearings/bushings noi ball/roller

  • WCC:

    742 - Bearings

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • LTL:

    P - 77.5

  • ACC:

    V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
  • AAC
  • Quantity per pack
  • Unit of Measure
  • Shelf Life
  • Classification Control
  • Repariability

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $142.60 to $237.67..
Does NSN 3110-00-143-3016 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Air Force, Columbia, Canada, France, Republic Of Korea, Norway, and Greece
What is the NIIN of NSN 3110-00-143-3016?
001433016 or 00-143-3016
Does NSN 3110-00-143-3016 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 3110-00-143-3016?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Jan 01, 1963