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:
M
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

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:
M
SPI No.:
SPI Rev.:
SPC Mkg:
51
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
114820
UFC:
58860
LTL:
77.5
LCL:
--
WCC:
742
TCC:
Z
SHC:
9
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

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