1551A

View detailed technical data, stock status, and sourcing information for: 1551A

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1551A
Federal Supply Group
Bearings
Federal Supply Classification
3110 Unmounted Antifriction Bearings
National Stock Number
3110-00-155-6344
Item Name Code
00014
Assigment Date
01/01/1963 (63 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.

ground surface finish, pressed retainer fabrication method, 43.0 millimeters nominal overall width, 190.00 millimeters nominal overall outside diameter, 90.00 millimeters nominal bore diameter

Product Characteristics

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

Overall Width
43.0 millimeters nominal
Bore Diameter
90.00 millimeters nominal
Overall Outside Diameter
190.00 millimeters nominal
Surface Finish
ground
Retainer Fabrication Method
pressed
Shield Quantity
2
Load Direction
radial
Bore Shape
straight
Internal Fit-Up Designation
standard
Standard Tolerance Designation
abec no.1
Lubrication Material
grease
Lubrication Material Document And Classification
dod-g-24508 mil spec single material response
Material
steel overall
Style Designator
non-loading groove, non-separable
Nondefinitive Spec/Std Data
111 type and 3 class and 00 grade

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
3810-00-789-0544 No Name Available 03/08/1971
3110-00-967-2172 No Name Available 01/01/1962

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
1551A Annular Ball Bearing
318KDD Annular Ball Bearing
318KDDFS381A Annular Ball Bearing
318SFF Annular Ball Bearing
319687-259 Annular Ball Bearing
444T-229 Annular Ball Bearing
6318ZZCE1SA2 Annular Ball Bearing
FF-B-171/05-J18C2B Annular Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-155-6344?
The FSCG of the NSN 3110-00-155-6344 is 3110
Does the NSN 3110-00-155-6344 have a Schedule B code assigned?
Yes, the Schedule B code is 8482105028
Does NSN 3110-00-155-6344 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 3110-00-155-6344 contain precious materials?
Item does not contain precious metal.
Does NSN 3110-00-155-6344 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 3110-00-155-6344 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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