Model: MS21220-4

Rod End Roller Bearing

Properties:

Thread Class
3b
Thread Direction
Right-hand
Shank Diameter
0.5000 inches
Shank Style
657 internally threaded w/hexagon end
Overall Length
2.1600 inches
Bore Diameter
0.2500 inches
Overall Outside Diameter
1.0000 inches
Lubrication Material
Grease
Shank Thread Length
0.8100 inches
Outer Ring Width
0.3600 inches
Inner Ring Width
0.5000 inches
Length From Bore Center To Shank End
1.6600 inches
Seal Quantity
2
Bearing Seal Type
Contact
Alignment Type
Rigid
Width Across Flats
0.5000 inches
Thready Qty Per Inch (tpi)
24
Thread Size
0.315 inches
Lubrication Material Specification
Mil-g-81322 military specification 1st material response
Material
Plastic polytetrafluoroethylene seal
Material
Steel comp e52100 inner ring
Material
Steel comp e52100 roller
Material
Steel comp 4620 outer ring
Surface Treatment
Cadmium all external/exposed metal surfaces
Style Designator
Single row, concave rollers
Thread Series Designator
Unjf
NSN
3110-01-377-0336
Part Number
MS21220-4
Description
Bearing,roller,rod End
CAGE

A special single or multiple-row roller bearing, rigid or self-aligning, and constructed with either inside threaded, plain hollow, maile threaded, or solid shank.

Part MS21220-4 NSN 3110-01-377-0336

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00050
FIIG:
A044A0
Concept No.:
App. Key:
G
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

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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