SB1143

View detailed technical data, stock status, and sourcing information for: SB1143
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-01-172-3345

Item Name Code

30213

Assigment Date

02/20/1984 (42 years ago)

A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.

unable to decode lubrication material, ground surface finish, 1.2398 inches minimum and 1.2598 inches maximum overall width, 1.9682 inches minimum and 1.9685 inches maximum bore diameter, 3.1492 inches minimum and 3.1496 inches maximum overall outside diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Overall Width: 1.2398 inches minimum and 1.2598 inches maximum
Bore Diameter: 1.9682 inches minimum and 1.9685 inches maximum
Overall Outside Diameter: 3.1492 inches minimum and 3.1496 inches maximum
Lubrication Material: unable to decode
Surface Finish: ground
Retainer Fabrication Method: pressed
Load Direction: radial
Internal Clearance: 0.0012 inches minimum radial and 0.0020 inches maximum radial
Standard Tolerance Designation: afbma class 3
Lubrication Material Document And Classification: mil-g-81322 mil spec single material response
Material: unable to decode
Style Designator: counterbored outer rings, non-separable, universal ground faces

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number	Name
AM9110PVM-104	Duplex Ball Bearing
AM9110PVMDBA2980	Duplex Ball Bearing
SB1143	Duplex Ball Bearing
SB1143-101	Duplex Ball Bearing

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 3110-01-172-3345?

The FSCG of the NSN 3110-01-172-3345 is 3110

Does the NSN 3110-01-172-3345 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105068

Does NSN 3110-01-172-3345 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 3110-01-172-3345 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-01-172-3345 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 3110-01-172-3345 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Mon, Feb 20, 1984