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NSN: 3110-00-001-8160
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Cross Reference

These part numbers have the same form, fit, and function of ac9881
Item Number Cage
AC9881 3NPS1

Characteristic Codes

AC9881 spec. code meanings
Code Translation
ABXV The length of a straight line which passes through the center of a circular bore, and terminates at the circumference.
ADGA The overall length of a straight line which passes through the center of an item, and terminates at the outside circumference.
ADZG The element, compound, or mixture with which the item is lubricated.
AGYE An additional finishing process by which the surface of an item is altered in respect to polishing, grinding, and the like.
AGYF The means used in manufacturing the retainer.
AGZA Indicates the type of alignment utilized whereby the item will adjust axially for misalignment.
FEAT Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.
LMDC The specification, standard, or manufacturers reference, and the classification designation, such as class, condition, temper, and the like, that identifies the lubrication material.
MATT The chemical compound or mechanical mixture properties of which the item is fabricated.
MDCL The specification, standard, or manufacturers reference, and the classification designation, such as class, condition, temper, and the like, that identifies the material.
SFTT The metallic, nonmetallic, and/or chemical properties with which the item is plated, dipped, and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
SFTT The metallic, nonmetallic, and/or chemical properties with which the item is plated, dipped, and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.
STYL The style designation indicating the configuration that most nearly corresponds to the appearance of the item.

AC9881

Description: Needle Roller Bearing
Mfr. Cage 3NPS1

Specification

steel comp e52100 overall

ABXV Bore Diameter
0.3128 inches maximum
ADGA Overall Outside Diameter
0.8130 inches maximum
ADZG Lubrication Material
Grease
AGVT Outer Ring Width
0.9688 inches
AGVU Inner Ring Width
1.0025 inches maximum
AGYE Surface Finish
Ground
AGYF Retainer Fabrication Method
Pressed
AGZA Alignment Type
Rigid
FEAT Special Features
No oil hole in inner or outer ring
LMDC Lubrication Material Spec
Mil-g-23827 mil spec single material response
MATT Material
Steel comp e52100
MDCL Material Spec
66 fed std single material response
SFTT Surface Treatment
Chromium outer ring
SFTT Surface Treatment
Cadmium retaining plate
STYL Style Designator
Cam roller, hardened and ground, non-separable

Technical Definition

Bearing, Roller, Needle, also referenced with federal logistics item name code 00051 - 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.
National Stock Number (NSN) 3110-00-001-8160

Last Modified: 02/14/2017