Model: AA21711

Needle Roller Bearing

Special Features:

Oil hole and groove in inner ring, retaining washer located each side

Properties:

Bore Diameter

Between 0.3118 inches and 0.3128 inches

Overall Outside Diameter

Between 0.8120 inches and 0.8130 inches

Lubrication Material

Grease

Outer Ring Width

0.8750 inches

Inner Ring Width

Between 0.9925 inches and 1.0025 inches

Surface Finish

Ground

Retainer Fabrication Method

Pressed

Alignment Type

Rigid

Lubrication Material Specification

Mil-g-3278 military specification single material response

Material

Steel

Surface Treatment

Chromate outer ring outside diameter

Surface Treatment

Cadmium all external/exposed metal surfaces

Style Designator

Airframe, hardened and ground, non-separable

NSN

3110-00-580-1668

Part Number

AA21711

Description

Bearing,roller,needle

CAGE

3NPS1

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.

Part AA21711 NSN 3110-00-580-1668

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

00051

FIIG:

A044A0

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

0.1000lbs

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

114820

UFC:

58860

LTL:

77.5

LCL:

WCC:

742

TCC:

SHC:

ACC:

Trailers/Vehicles

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Schedule B and Export

Schedule B: 8482400000
SITC: 74640
End Use: Industrial machines, other
NAICS: 332991
USDA: 1

Freight Class: Needle roller bearings