912120

View detailed technical data, stock status, and sourcing information for: 912120
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Federal Supply Group

Bearings

Federal Supply Classification

3130 Mounted Bearings

National Stock Number

3130-01-212-4800

Item Name Code

30559

Assigment Date

07/12/1985 (41 years ago)

A metal loop in various shapes and styles other than circular, forged or welded in one piece, usually used on the end of an item for attaching other parts. May also be used with thimble(s) or shackle(s) on the end of wire or fiber rope. Excludes:link, chain connecting; and link, chain, lap.

0.542 inches minimum and 0.557 inches maximum mounting hole diameter, 3.120 inches nominal housing height, 1.7500 inches nominal bore diameter, 0.750 inches nominal base thickness, 4.500 inches nominal center to center distance between mounting holes along width

Product Characteristics

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

Mounting Hole Diameter: 0.542 inches minimum and 0.557 inches maximum
Bore Diameter: 1.7500 inches nominal
Base Thickness: 0.750 inches nominal
Center To Center Distance Between Mounting Holes Along Width: 4.500 inches nominal
Housing Height: 3.120 inches nominal
Housing Width: 5.750 inches nominal
Lubrication Fitting Type: pipe plug
Base Length: 1.376 inches nominal
Assembly Overall Length: 1.500 inches nominal
Shaft End Type: open
Height From Bottom Of Base To Bore Centerline: 1.625 inches nominal
Lubrication Fitting Angle From Horizontal Centerline: 45.0 degrees nominal
Mounting Hole Type: round, unthreaded
Special Features: 32.0 microin finish on bore; internal flange 1.750 in. dia,0.136 in. wide,1.157 in. from front face; reduced dia bore same end as internal flange to 1.871 in. dia,0.207 in. deep from back face; four equally spaced holes in from fsace,0.380 in. min deep,0.250 in. 20unc-2b threads,2.124 in. apart; 0.3138 dia by 0.380 in. deep hole in base
Material: steel comp 303se overall
Material Document And Classification: astm a582 assn std single material response overall
Surface Treatment: cadmium bore
Surface Treatment: paint housing excluding bore
Surface Treatment Document And Classification: find no. 4,fscm 49956 mfr ref single treatment response bore
Surface Treatment Document And Classification: find no. 7,fscm 49956 mfr ref single treatment response housing excluding bore
Style Designator: pillow block, solid

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
912120	Bearing Unit Housing

FAQs

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

What is the FSCG of the NSN 3130-01-212-4800?

The FSCG of the NSN 3130-01-212-4800 is 3130

Does the NSN 3130-01-212-4800 have a Schedule B code assigned?

Yes, the Schedule B code is 8482991050

Does NSN 3130-01-212-4800 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 3130-01-212-4800 contain precious materials?

Item does not contain precious metal.

Does NSN 3130-01-212-4800 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 3130-01-212-4800 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Fri, Jul 12, 1985