B48 Self-Aligning Plain Bearing

Comprehensive specifications and application details for: B48 Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: B48. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: B48
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-420-5772
Item Name Code: 13208
Federal Item Identification Guide: A045A0
Assigment Date: 03/14/1969

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.

2.9994 inches minimum and 3.0000 inches maximum bore diameter, steel comp 4140 internal outer member material, 2330-01-303-8832 m1000 chettl trailer end item identification, steel comp e52100 inner member material, 2.6200 inches minimum and 2.6250 inches maximum inner member width

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-420-5772 . Find dimensions, materials, tolerances, performance characteristics, etc.

End Item Identification: 2330-01-303-8832 m1000 chettl trailer
Bore Diameter: 2.9994 inches minimum and 3.0000 inches maximum
Inner Member Width: 2.6200 inches minimum and 2.6250 inches maximum
Material: steel comp 4140 internal outer member
Material: steel comp e52100 inner member
Outer Member Outside Diameter: 4.7492 inches minimum and 4.7500 inches maximum
Outer Member Width: 2.2450 inches minimum and 2.2500 inches maximum
Static Radial Load Rating: 893000 pounds
Style Designator: without insert or liner

Replaces

The NSN 3120-00-420-5772 is used in place of the following discontinued or alternate items:

NSN	Name	Date
3120-00-844-0570	No Name Available	01/12/1973

Frequently Asked Questions

Find quick answers to common questions about bearing: B48. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-00-420-5772?: The FSCG of the NSN 3120-00-420-5772 is 3120

Does the NSN 3120-00-420-5772 have a Schedule B code assigned?: Yes, the Schedule B code is 8482300040

Does NSN 3120-00-420-5772 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 3120-00-420-5772 contain precious materials?: Precious metal content is unknown

Does NSN 3120-00-420-5772 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.