MS21154S7

Comprehensive specifications and application details for: MS21154S7 Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: MS21154S7. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
MS21154S7
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-01-356-3229
Item Name Code
13208
Federal Item Identification Guide
A045A0
Assigment Date
04/02/1992

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes:bearing, plain, rod end and bearing, plain, spherical.

0.4350 inches minimum and 0.4370 inches maximum inner member width, 0.4370 inches minimum and 0.4375 inches maximum bore diameter, groove external outer member lubrication feature, 27.0 rockwell c minimum and 36.0 rockwell c maximum outer race member hardness rating, 56.0 rockwell c minimum inner member hardness rating

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-356-3229 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter
0.4370 inches minimum and 0.4375 inches maximum
Hardness Rating
56.0 rockwell c minimum inner member
Hardness Rating
27.0 rockwell c minimum and 36.0 rockwell c maximum outer race member
Inner Member Width
0.4350 inches minimum and 0.4370 inches maximum
Lubrication Feature
groove external outer member
Lubrication Feature
groove internal inner member
Lubrication Feature
groove internal outer member
Lubrication Feature
perforation outer race member
Lubrication Feature
perforation inner member
Material Document And Classification
ans 5630 assn std single material response inner member
Material Document And Classification
mil-g-21164 mil spec single material response lubrication
Material Document And Classification
mil-s-6758 mil spec 1st material response or mil-s-6758 mil spec 2nd material response or mil-s-6050 mil spec 3rd material response outer race member
Material
grease and disulfide molybdenum lubrication
Material
steel comp 440c inner member
Material
steel comp e4340 or steel comp 4130 or steel comp 8630 outer race member
Outer Member Outside Diameter
0.9057 inches minimum and 0.9062 inches maximum
Outer Member Width
0.3380 inches minimum and 0.3480 inches maximum
Static Radial Load Rating
18850 pounds
Style Designator
without insert or liner with staking groove
Surface Treatment Document And Classification
qq-c-320,cl 2 ty 1 fed spec single treatment response or qq-c-320,cl 2 ty 2 fed spec single treatment response inner member
Surface Treatment Document And Classification
qq-p-416,ty1 cl 2 fed spec single treatment response outer race member
Surface Treatment
cadmium outer race member
Surface Treatment
chromium inner member

Frequently Asked Questions

Find quick answers to common questions about bearing: MS21154S7. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-356-3229?
The FSCG of the NSN 3120-01-356-3229 is 3120
Does the NSN 3120-01-356-3229 have a Schedule B code assigned?
Yes, the Schedule B code is 8482300040
Does NSN 3120-01-356-3229 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 3120-01-356-3229 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-01-356-3229 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 3120-01-356-3229 was assigned to the Federal Catalog?
It was assigned 33 years ago, on Thu, Apr 2, 1992

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