55304M Self-Aligning Plain Bearing

Comprehensive specifications and application details for: 55304M Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: 55304M. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
55304M
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-01-327-2309
Item Name Code
13208
Federal Item Identification Guide
A045A0
Assigment Date
10/10/1990

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.

28.0 rockwell c minimum and 36.0 rockwell c maximum race insert hardness rating, 0.3120 inches minimum and 0.3125 inches maximum bore diameter, 0.4320 inches minimum and 0.4370 inches maximum inner member width, 50.0 rockwell c minimum and 60.0 rockwell c maximum inner member hardness rating, groove v-groove surface lubrication feature

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-327-2309 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter
0.3120 inches minimum and 0.3125 inches maximum
Hardness Rating
50.0 rockwell c minimum and 60.0 rockwell c maximum inner member
Hardness Rating
28.0 rockwell c minimum and 36.0 rockwell c maximum race insert
Inner Member Width
0.4320 inches minimum and 0.4370 inches maximum
Lubrication Feature
groove v-groove surface
Material
lubricant dry film lubrication
Material
steel comp 440c inner member
Material
steel comp 630 race insert
Outer Member Outside Diameter
0.6870 inches minimum and 0.6875 inches maximum
Outer Member Width
0.3120 inches minimum and 0.3220 inches maximum
Specification/Standard Data
81205-bacb10x4mt manufacturers source control
Static Radial Load Rating
19000 pounds
Style Designator
without insert or liner

Frequently Asked Questions

Find quick answers to common questions about bearing: 55304M. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-327-2309?
The FSCG of the NSN 3120-01-327-2309 is 3120
Does the NSN 3120-01-327-2309 have a Schedule B code assigned?
Yes, the Schedule B code is 8482300040
Does NSN 3120-01-327-2309 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 3120-01-327-2309 contain precious materials?
Precious metal content is unknown
Does NSN 3120-01-327-2309 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 3120-01-327-2309 was assigned to the Federal Catalog?
It was assigned 36 years ago, on Wed, Oct 10, 1990

Price & Availability

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