Model: MS21439-124

Needle Roller Bearing

Special Features:

Oil holes and oil groove in inner ring, no oil holes or oil groove in outer ring

Properties:

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
NSN
3110-01-138-7272
Part Number
MS21439-124
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 MS21439-124 NSN 3110-01-138-7272

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:
4.0 X 4.0 X 3.7
Paclk Weight:
0.9000lbs
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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