BM-4-9

View detailed technical data, stock status, and sourcing information for: BM-4-9
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-156-5446

Item Name Code

00014

Assigment Date

01/01/1961 (65 years ago)

A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing,ball,duplex. Excludes:bearing,ball,airframe.

1.1875 inches nominal overall width, 30.00 millimeters nominal bore diameter, 72.00 millimeters nominal overall outside diameter, pressed retainer fabrication method, ground surface finish

Product Characteristics

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

Overall Width: 1.1875 inches nominal
Bore Diameter: 30.00 millimeters nominal
Overall Outside Diameter: 72.00 millimeters nominal
Surface Finish: ground
Retainer Fabrication Method: pressed
Shield Quantity: 1
Load Direction: angular
Bore Shape: straight
Internal Fit-Up Designation: standard
Internal Fit-Up Contact Angular Direction: outward convergent
Standard Tolerance Designation: abec no.1
Material: steel overall
Style Designator: loading groove, non-separable

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
3110-00-191-0501	No Name Available	06/01/1984

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
31-435-16	Annular Ball Bearing
31-43516	Annular Ball Bearing
3306-Z	Annular Ball Bearing
5146663	Annular Ball Bearing
5306FM1TX9	Annular Ball Bearing
5606	Annular Ball Bearing
5606ND	Annular Ball Bearing
5606X1	Annular Ball Bearing
5606XR1A	Annular Ball Bearing
AA59641-906JBBT	Annular Ball Bearing
BM-4-9	Annular Ball Bearing
BM9-11	Annular Ball Bearing
FFB171/37J06B2E	Annular Ball Bearing
FS5606	Annular Ball Bearing
TW2CB30	Annular Ball Bearing
ZR212D32	Annular Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-156-5446?

The FSCG of the NSN 3110-00-156-5446 is 3110

Does the NSN 3110-00-156-5446 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105028

Does NSN 3110-00-156-5446 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 3110-00-156-5446 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-00-156-5446 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 3110-00-156-5446 was assigned to the Federal Catalog?

It was assigned 65 years ago, on Sun, Jan 1, 1961