B4B Self-Aligning Plain Bearing

Comprehensive specifications and application details for: B4B Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: B4B. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: B4B
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-613-1488
Item Name Code: 13208
Federal Item Identification Guide: A045A0
Assigment Date: 02/12/1975

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.

0.3700 inches minimum and 0.3750 inches maximum inner member width, 0.2495 inches minimum and 0.2500 inches maximum bore diameter, 57.0 rockwell c minimum and 61.0 rockwell c maximum inner member hardness rating, copper alloy outer race member material, ams 6440 assn std single material response inner member material document and classification

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-613-1488 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 0.2495 inches minimum and 0.2500 inches maximum
Hardness Rating: 57.0 rockwell c minimum and 61.0 rockwell c maximum inner member
Inner Member Width: 0.3700 inches minimum and 0.3750 inches maximum
Material Document And Classification: ams 6440 assn std single material response inner member
Material: copper alloy 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 0.2810 inches maximum
Static Radial Load Rating: 5000 pounds
Style Designator: without insert or liner
Surface Treatment Document And Classification: ams 2406 assn std single treatment response inner member
Surface Treatment: chromium inner member

Frequently Asked Questions

Find quick answers to common questions about bearing: B4B. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-613-1488?: The FSCG of the NSN 3120-00-613-1488 is 3120

Does the NSN 3120-00-613-1488 have a Schedule B code assigned?: Yes, the Schedule B code is 8482300040

Does NSN 3120-00-613-1488 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 3120-00-613-1488 contain precious materials?: Precious metal content is unknown

Does NSN 3120-00-613-1488 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.