Model: MS21438-103

Track Roller Roller Bearing

Properties:

Bore Diameter
0.1900 inches
Overall Outside Diameter
0.7500 inches
Lubrication Material
Grease
Outer Ring Width
0.2800 inches
Inner Ring Width
0.3125 inches
Crown Radius
10.0000 inches
Retainer Fabrication Method
Pressed
Seal Quantity
2
Bearing Seal Type
Contact
Alignment Type
Rigid
Features Provided
Lubrication groove and lubrication hole
Lubrication Material Specification
Mil-g-81322 military specification 1st material response or mil-g-23827 military specification 2nd material response
Material
Plastic acetal seal or plastic polyhexamethylene adipamide seal
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 e51100 end plate or steel comp e52100 end plate
Material
Steel comp 4615 outer race or steel comp 4617 outer race or steel comp 4620 outer race or steel comp 8620 outer race or steel comp e50100 outer race or steel comp e51100 outer race or steel comp e52100 outer race
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 e51100 roller or steel comp e52100 roller
Material
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 e51100 inner ring or steel comp e52100 inner ring or steel comp 4615 inner ring
Material Specification
L-p-392 federal specification 1st material response seal or l-p-410 type 6/6 federal specification 2nd material response seal
Surface Treatment
Chromium outer race
Surface Treatment
Cadmium end plate
Surface Treatment
Cadmium inner ring and oxide inner ring
Surface Treatment Specification
Qq-c-320, class 2 federal specification single treatment response outer race
Surface Treatment Specification
Qq-p-416, type 1, class 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, class 2 federal specification single treatment response end plate
Style Designator
Track roller
NSN
3110-01-186-7179
Part Number
MS21438-103
Description
Bearing,roller,track Roller
CAGE
96906

An antifriction bearing having cylindrical rolling elements designed for use in a track roller assembly.

Part MS21438-103 NSN 3110-01-186-7179

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00047
FIIG:
A044A0
Concept No.:
App. Key:
U
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: 8482500000
  • SITC: 74650
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Other cylindrical roller bearings

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