557244

View detailed technical data, stock status, and sourcing information for: 557244
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-00-921-3355

Item Name Code

00014

Assigment Date

12/17/1965 (60 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.

1.3775 inches minimum and 1.3780 inches maximum overall outside diameter, ground surface finish, 0.4326 inches minimum and 0.4331 inches maximum overall width, 0.5903 inches minimum and 0.5906 inches maximum bore diameter, pressed retainer fabrication method

Product Characteristics

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

Overall Width: 0.4326 inches minimum and 0.4331 inches maximum
Bore Diameter: 0.5903 inches minimum and 0.5906 inches maximum
Overall Outside Diameter: 1.3775 inches minimum and 1.3780 inches maximum
Surface Finish: ground
Retainer Fabrication Method: pressed
Load Direction: radial
Bore Shape: straight
Internal Clearance: 0.0009 inches maximum radial
Standard Tolerance Designation: abec no.1
Material: steel comp 440c ball
Material: steel comp 440c outer ring
Material: steel comp 440c inner ring
Material: steel corrosion resisting retainer
Material Document And Classification: qq-s-763 fed spec single material response ball
Material Document And Classification: qq-s-763 fed spec single material response inner ring
Material Document And Classification: qq-s-763 fed spec single material response outer ring
Style Designator: non-loading groove, non-separable

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
557244	Annular Ball Bearing
PA202K557244	Annular Ball Bearing
PA202KC4E7900A	Annular Ball Bearing
SSR-202-RDA1P59LD	Annular Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-921-3355?

The FSCG of the NSN 3110-00-921-3355 is 3110

Does the NSN 3110-00-921-3355 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105028

Does NSN 3110-00-921-3355 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 3110-00-921-3355 contain precious materials?

Precious metal content is unknown

Does NSN 3110-00-921-3355 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 3110-00-921-3355 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Fri, Dec 17, 1965