Model: MS21151-4

Rod End Ball Bearing

Special Features:

This item has been determined to be a critical application item. In-flight failure of this item would create a hazardous condition

Properties:

Thread Class
3a
Thread Direction
Right-hand
Shank Diameter
0.3750 inches
Shank Style
Externally threaded
Overall Length
Between 1.7505 inches and 1.7805 inches
Bore Diameter
Between 0.1897 inches and 0.1900 inches
Overall Outside Diameter
Between 0.7710 inches and 0.7910 inches
Lubrication Material
Grease
Shank Thread Length
Between 0.7190 inches and 0.7810 inches
Outer Ring Width
Between 0.3180 inches and 0.3380 inches
Inner Ring Width
Between 0.4320 inches and 0.4370 inches
Length From Bore Center To Shank End
Between 1.3650 inches and 1.3850 inches
Seal Quantity
2
Bearing Seal Type
Contact
Alignment Type
Self-aligning
Self-alignment Location
Internal
Thready Qty Per Inch (tpi)
24
Thread Size
0.375 inches
Criticality Code Justification
Feat
Self-alignment Angle
10.00 degrees
Lubrication Material Specification
Mil-g-81322 military specification single material response
Material
Plastic polytetrafluoroethylene seal
Material
Steel comp 4130 outer ring
Material
Steel comp 4130 shaft
Material
Steel comp e52100 ball
Material
Steel comp e52100 inner ring
Material Specification
Ams 3652 assn standard single material response seal or ams 3666 assn standard single material response seal
Material Specification
Mil-s-6758 military specification single material response outer ring
Material Specification
Mil-s-6758 military specification single material response shaft
Material Specification
Mil-s-7420 military specification single material response ball
Material Specification
Mil-s-7420 military specification single material response inner ring
Surface Treatment
Cadmium outer ring
Surface Treatment
Cadmium rod end body
Surface Treatment Specification
Qq-p-416, type 1, cl 2 federal specification single treatment response outer ring
Surface Treatment Specification
Qq-p-416, type 1, cl 2 federal specification single treatment response rod end body
Style Designator
Double row, staggered, ball
Thread Series Designator
Unjf
NSN
3110-00-766-6924
Part Number
MS21151-4
Description
Bearing,ball,rod End
CAGE
81343

A special single or multiple-row ball bearing, rigid or self-aligning, and constructed with either a solid or hollow shank, internally or externally threaded.

Part MS21151-4 NSN 3110-00-766-6924

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
00049
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:
U
ESD:
ESD:
MMAC:
CRITL:
F

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: 8482800080
  • SITC: 74680
  • End Use: Industrial machines, other
  • NAICS: 332991
  • USDA: 1

Freight Class: Other ball or roller bearings, including combined ball/roller bearings, nesoi

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