12SBB20 Self-Aligning Plain Bearing

Comprehensive specifications and application details for: 12SBB20 Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: 12SBB20. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number: 12SBB20
Federal Supply Classification: 3120 Unmounted Plain Bearings
(NSN) National Stock Number: 3120-00-072-1621
Item Name Code: 13208
Federal Item Identification Guide: A045A0
Assigment Date: 01/01/1963

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.

57.0 rockwell c nominal outer race member hardness rating, groove external inner member lubrication feature, 1.2495 inches minimum and 1.2500 inches maximum bore diameter, 1.0880 inches minimum and 1.0930 inches maximum inner member width, 55.0 rockwell c nominal inner member hardness rating

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-00-072-1621 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter: 1.2495 inches minimum and 1.2500 inches maximum
Hardness Rating: 55.0 rockwell c nominal inner member
Hardness Rating: 57.0 rockwell c nominal outer race member
Inner Member Width: 1.0880 inches minimum and 1.0930 inches maximum
Lubrication Feature: groove external inner member
Lubrication Feature: groove internal inner member
Lubrication Feature: perforation inner member
Material: steel overall
Outer Member Outside Diameter: 1.9995 inches minimum and 2.0000 inches maximum
Outer Member Width: 0.9320 inches minimum and 0.9370 inches maximum
Special Features: two holes spaced at 90.0 deg tofractured plane of outer race member
Static Radial Load Rating: 156000 pounds
Style Designator: without insert or liner

Frequently Asked Questions

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What is the FSCG of the NSN 3120-00-072-1621?: The FSCG of the NSN 3120-00-072-1621 is 3120

Does the NSN 3120-00-072-1621 have a Schedule B code assigned?: Yes, the Schedule B code is 8482300040

Does NSN 3120-00-072-1621 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 3120-00-072-1621 contain precious materials?: Precious metal content is unknown

Does NSN 3120-00-072-1621 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.