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Worldwide distributor of NSN parts and consumables located in the USA.

Needle Roller Bearing

Model / MPN: AS21439 | NSN: 3110-01-138-7272
ITAR Registered seal

A single or multiple-row antifriction bearing used with or without inner or outer races characterized by relatively small size rollers usually not ranging above 0.250 inch (6.35mm) diameter and generally longer in length in relation to diameter.

Product Details
NATO Stock Number
3110-01-138-7272
Sold in multiples of
1 EA
DEMIL
NO
Bore Diameter
1.5000 inches
Overall Outside Diameter
3.0000 inches
Lubrication Material
Grease
Outer Ring Width
2.6900 inches
Inner Ring Width
2.7500 inches
Surface Finish
Ground
Seal Quantity
2
Bearing Seal Type
Contact
Alignment Type
Rigid
Standard Tolerance Designation
Afbma standard tolerance for airframe needle bearings
Lubrication Material Specification
Mil-g-81322 military specification single material response
Material
Plastic polyamide seal or plastic acetal seal or plastic polyhexamethylene adipamide seal
Material
Steel end plate or stainless steel end plate
Material
Steel outer ring or stainless steel outer ring
Material
Steel roller or stainless steel roller
Material Specification
L-p-392 federal specification 2nd material response seal or l-p-410, type 6/6 federal specification 3rd material response seal
Surface Treatment
Chromium outer ring
Surface Treatment
Cadmium end plate
Surface Treatment
Cadmium inner ring or oxide inner ring
Surface Treatment Specification
Qq-c-320, cl 2 federal specification single treatment response outer ring
Surface Treatment Specification
Qq-p-416, type 1, cl 2 federal specification 1st treatment response inner ring or mil-c-13924 military specification 2nd treatment response inner ring
Surface Treatment Specification
Qq-p-416, type 1, cl 2 federal specification single treatment response end plate
Style Designator
Airframe, hardened and ground, non-separable
AS214 Series Parts
Solicitations
Solicitation Description Qty UOM Close Date
SPE4A517TV598 Bearing, Roller, Need 36 EA 05/19/2017
SPE4A517TDA38 Bearing, Roller, Need 75 EA 07/14/2017
SPE4A517TDT85 Bearing, Roller, Need 34 EA 08/01/2017

Pricing and Availability

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AS21439 Cross Reference
  • MS21439-124
  • MS21439-124
  • 10085899