KSB20-4D Self-Aligning Plain Bearing

Comprehensive specifications and application details for: KSB20-4D Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: KSB20-4D. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: KSB20-4D
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-01-347-9978
Item Name Code: 13208
Federal Item Identification Guide: A045A0
Assigment Date: 11/03/1991

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.

1.0910 inches minimum and 1.0930 inches maximum inner member width, 55.0 rockwell c minimum inner member hardness rating, ams 5630 assn std single material response inner member material document and classification, 28.0 rockwell c minimum outer race member hardness rating, 1.2495 inches minimum and 1.2500 inches maximum bore diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-347-9978 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 1.2495 inches minimum and 1.2500 inches maximum
Hardness Rating: 55.0 rockwell c minimum inner member
Hardness Rating: 28.0 rockwell c minimum outer race member
Inner Member Width: 1.0910 inches minimum and 1.0930 inches maximum
Material Document And Classification: ams 5630 assn std single material response inner member
Material Document And Classification: ams 5643 assn std single material response outer race member
Material Document And Classification: karon,cagec 50632 mfr ref single material response race liner
Material: plastic polytetrafluoroethylene race liner
Material: steel comp 440c inner member
Material: steel comp 630 outer race member
Outer Member Outside Diameter: 1.9995 inches minimum and 2.0000 inches maximum
Outer Member Width: 0.9370 inches minimum and 0.9470 inches maximum
Static Radial Load Rating: 108000 pounds
Style Designator: with insert and/or liner with staking groove

Frequently Asked Questions

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What is the FSCG of the NSN 3120-01-347-9978?: The FSCG of the NSN 3120-01-347-9978 is 3120

Does the NSN 3120-01-347-9978 have a Schedule B code assigned?: Yes, the Schedule B code is 8482300040

Does NSN 3120-01-347-9978 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 3120-01-347-9978 contain precious materials?: Item does not contain precious metal.

Does NSN 3120-01-347-9978 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.