B55557

Comprehensive specifications and application details for: B55557 Bearing Ball.

Summary

Explore detailed summary information for bearing: B55557. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
B55557
Federal Supply Classification
3110 Unmounted Antifriction Bearings
(NSN) National Stock Number
3110-00-555-6574
Item Name Code
00036
Federal Item Identification Guide
A044A0
Assigment Date
01/01/1963

A homogenous spherical body, a series of which provides the rolling elements in a bearing, ball (as modified). The item is designed primarily to alleviate friction. It may have other usages such as the checking component in a ball-type check valve. Excludes:ball,check; ball,valve,ported.

aisi assn std all material responses overall material document and classification, 0.3125 inches nominal rolling element diameter, steel comp 440a or steel comp 440b or steel comp 440c overall material, metallic hardness rating rockwell c min 58.0 in. and max 65.0 in. special features, afbma std tolerance for balls, grade 25 standard tolerance designation

Datasheet

Below are the comprehensive technical specifications for bearing: 3110-00-555-6574 . Find dimensions, materials, tolerances, performance characteristics, etc.

Material Document And Classification
aisi assn std all material responses overall
Material
steel comp 440a or steel comp 440b or steel comp 440c overall
Rolling Element Diameter
0.3125 inches nominal
Special Features
metallic hardness rating rockwell c min 58.0 in. and max 65.0 in.
Standard Tolerance Designation
afbma std tolerance for balls, grade 25
Style Designator
ball

Frequently Asked Questions

Find quick answers to common questions about bearing: B55557. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3110-00-555-6574?
The FSCG of the NSN 3110-00-555-6574 is 3110
Does the NSN 3110-00-555-6574 have a Schedule B code assigned?
Yes, the Schedule B code is 8482105068
Does NSN 3110-00-555-6574 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 3110-00-555-6574 contain precious materials?
Item does not contain precious metal.
Does NSN 3110-00-555-6574 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 3110-00-555-6574 was assigned to the Federal Catalog?
It was assigned 62 years ago, on Tue, Jan 1, 1963

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