ALK4-142

Comprehensive specifications and application details for: ALK4-142 Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: ALK4-142. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
ALK4-142
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-01-188-6902
Item Name Code
13208
Federal Item Identification Guide
A045A0
Assigment Date
09/07/1984

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.

0.3380 inches minimum and 0.3430 inches maximum inner member width, steel comp 630 race insert material, 56.0 rockwell c minimum and 62.0 rockwell c maximum inner member hardness rating, 28.0 rockwell c minimum and 37.0 rockwell c maximum outer race member hardness rating, 0.2495 inches minimum and 0.2500 inches maximum bore diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-188-6902 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter
0.2495 inches minimum and 0.2500 inches maximum
Hardness Rating
56.0 rockwell c minimum and 62.0 rockwell c maximum inner member
Hardness Rating
28.0 rockwell c minimum and 37.0 rockwell c maximum outer race member
Inner Member Width
0.3380 inches minimum and 0.3430 inches maximum
Material
steel comp 630 race insert
Outer Member Outside Diameter
1.5120 inches minimum and 1.5240 inches maximum
Outer Member Width
0.2450 inches minimum and 0.2550 inches maximum
Special Features
outer member overall length includes two identical bearing,plain.self-aligning 0.756-.762 apart from center
Static Radial Load Rating
1000 pounds
Style Designator
with insert and/or liner

Frequently Asked Questions

Find quick answers to common questions about bearing: ALK4-142. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-188-6902?
The FSCG of the NSN 3120-01-188-6902 is 3120
Does the NSN 3120-01-188-6902 have a Schedule B code assigned?
Yes, the Schedule B code is 8482300040
Does NSN 3120-01-188-6902 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 3120-01-188-6902 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-01-188-6902 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 3120-01-188-6902 was assigned to the Federal Catalog?
It was assigned 40 years ago, on Fri, Sep 7, 1984

Price & Availability

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