GB520CM750TH

View detailed technical data, stock status, and sourcing information for: GB520CM750TH
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-031-1226

Item Name Code

13208

Assigment Date

10/28/1972 (53 years ago)

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.

0.7495 inches minimum and 0.7500 inches maximum bore diameter, 0.8700 inches minimum and 0.8750 inches maximum inner member width, 0.6250 inches minimum and 0.6350 inches maximum outer member width, 40000 pounds static radial load rating, 1.3745 inches minimum and 1.3750 inches maximum outer member outside diameter

Product Characteristics

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

Bore Diameter: 0.7495 inches minimum and 0.7500 inches maximum
Outer Member Outside Diameter: 1.3745 inches minimum and 1.3750 inches maximum
Outer Member Width: 0.6250 inches minimum and 0.6350 inches maximum
Inner Member Width: 0.8700 inches minimum and 0.8750 inches maximum
Static Radial Load Rating: 40000 pounds
Hardness Rating: 57.0 rockwell c minimum and 61.0 rockwell c maximum inner member
Material: steel comp 440c inner member
Material: steel comp 630 outer race member
Surface Treatment: chromium inner member
Style Designator: without insert or liner with staking groove

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
AW12V65	Self-Aligning Plain Bearing
GB520CM750TH	Self-Aligning Plain Bearing
GG751	Self-Aligning Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-031-1226?

The FSCG of the NSN 3120-00-031-1226 is 3120

Does the NSN 3120-00-031-1226 have a Schedule B code assigned?

Yes, the Schedule B code is 8482300040

Does NSN 3120-00-031-1226 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 3120-00-031-1226 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-031-1226 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 3120-00-031-1226 was assigned to the Federal Catalog?

It was assigned 53 years ago, on Sat, Oct 28, 1972