Model: MS21439-108

Needle Roller Bearing

Special Features:

Oil holes and oil groove in inner ring, no oil holes or oil groove in outer ring; lubricating specification for lubricating material: mil-g-81322; bearing needle style: no. 432 in old fiig a04400; roller od; 1.3550 in. Nom.; afbma standard tolerance designation: afbma standard tolerance for airplane needle bearings; roller element groove qty: 2; ring aligning: not included; other material for end plates are steel, qq-s-700 or steel, astm a304, a322 and a331; other material for inner rings, outer rings and rollers are the same as the end plates; other material for the seals are: plastic, polyamide, l-p-410, type 6/6, or plastic, acetal resin, l-p-392, or plastic, polyester elastomer

Properties:

Bore Diameter
0.5000 inches
Lubrication Material
Grease
Outer Ring Width
1.1900 inches
Inner Ring Width
1.2500 inches
Seal Quantity
2
Bearing Seal Type
Contact
Alignment Type
Rigid
Material
Steel comp 4615 inner ring or steel comp 4617 inner ring or steel comp 4620 inner ring or steel comp 8620 inner ring or steel comp e50100 inner ring or steel comp e52100 inner ring or steel comp e51100 inner ring
Material
Steel comp 4615 end plate or steel comp 4617 end plate or steel comp 4620 end plate or steel comp 8620 end plate or steel comp e50100 end plate or steel comp e52100 end plate or steel comp e51100 end plate
Material
Steel comp 4615 outer ring or steel comp 4617 outer ring or steel comp 4620 outer ring or steel comp 8620 outer ring or steel comp e50100 outer ring or steel comp e52100 outer ring or steel comp e51100 outer ring
Material
Steel comp 4615 roller or steel comp 4617 roller or steel comp 4620 roller or steel comp 8620 roller or steel comp e50100 roller or steel comp e52100 roller or steel comp e51100 roller
Surface Treatment
Chromium outer ring
Surface Treatment
Cadmium end plate
Surface Treatment
Cadmium inner ring or oxide inner ring
NSN
3110-01-338-2755
Part Number
MS21439-108
Description
Bearing,roller,needle
CAGE
81343

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 MS21439-108 NSN 3110-01-338-2755

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:
1.0000lbs
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

End Items End applications NSN 3110-01-338-2755 is a component of

  • Galaxy C-5 Aircraft
  • Ta-4j Aircraft

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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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