03-503-05DD

Comprehensive specifications and application details for: 03-503-05DD Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: 03-503-05DD. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
03-503-05DD
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-01-169-5653
Item Name Code
13208
Federal Item Identification Guide
A045A0
Assigment Date
01/11/1984

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.

56.0 rockwell c minimum and 61.0 rockwell c maximum inner member hardness rating, 0.3120 inches minimum and 0.3125 inches maximum bore diameter, bns 3-3, type 1, boeing co mfr ref single material response lubrication material document and classification, 0.3700 inches minimum and 0.3750 inches maximum inner member width, 26.0 rockwell c minimum outer race member hardness rating

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-169-5653 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter
0.3120 inches minimum and 0.3125 inches maximum
Hardness Rating
56.0 rockwell c minimum and 61.0 rockwell c maximum inner member
Hardness Rating
26.0 rockwell c minimum outer race member
Inner Member Width
0.3700 inches minimum and 0.3750 inches maximum
Material Document And Classification
bns 3-3, type 1, boeing co mfr ref single material response lubrication
Material Document And Classification
mil-s-7420 mil spec single material response inner member
Material Document And Classification
mil-s-6758 mil spec 1st material response or astm a322 assn std 2nd material response outer race member
Material
lubricant dry film lubrication
Material
steel comp 4130 or steel comp 4340 outer race member
Material
steel comp e52100 inner member
Outer Member Outside Diameter
0.7495 inches minimum and 0.7500 inches maximum
Outer Member Width
0.2760 inches minimum and 0.2860 inches maximum
Special Features
2 oil holes in outer race member,1 lubrication groove on outer race member od,1 lubrication groove outer race member spherical surface or 3 oil holes in outer race member,1 lubrication groove outer race member od
Static Radial Load Rating
11300 pounds
Style Designator
without insert or liner
Surface Treatment Document And Classification
qq-c-320,ty 1,cl 2 fed spec single treatment response inner member
Surface Treatment Document And Classification
qq-p-416,ty 1 or ty 2,cl 2 fed spec all treatment responses outer race member
Surface Treatment
cadmium or cadmium and chromate outer race member
Surface Treatment
chromium inner member

Frequently Asked Questions

Find quick answers to common questions about bearing: 03-503-05DD. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-169-5653?
The FSCG of the NSN 3120-01-169-5653 is 3120
Does the NSN 3120-01-169-5653 have a Schedule B code assigned?
Yes, the Schedule B code is 8482300040
Does NSN 3120-01-169-5653 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 3120-01-169-5653 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-01-169-5653 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 3120-01-169-5653 was assigned to the Federal Catalog?
It was assigned 41 years ago, on Wed, Jan 11, 1984

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