N91

View detailed technical data, stock status, and sourcing information for: N91

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N91
Federal Supply Group
Bearings
Federal Supply Classification
3110 Unmounted Antifriction Bearings
National Stock Number
3110-00-555-5221
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.

pressed retainer fabrication method, 20.00 millimeters nominal bore diameter, 47.00 millimeters nominal overall outside diameter, ground surface finish, 14.0 millimeters nominal overall width

Product Characteristics

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

Overall Width
14.0 millimeters nominal
Bore Diameter
20.00 millimeters nominal
Overall Outside Diameter
47.00 millimeters nominal
Surface Finish
ground
Retainer Fabrication Method
pressed
Load Direction
radial
Bore Shape
straight
Internal Fit-Up Designation
loose
Standard Tolerance Designation
abec no.1
Material
steel overall
Style Designator
non-loading groove, non-separable

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
3110-00-602-2240 No Name Available 01/11/1971
3110-00-927-7136 No Name Available 11/18/1970

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
104490 Annular Ball Bearing
1109039 Annular Ball Bearing
1204-3B1 Annular Ball Bearing
204SQ6A7 Annular Ball Bearing
2954945 Annular Ball Bearing
3204L1 Annular Ball Bearing
3204LR1214A Annular Ball Bearing
6204-JC3 Annular Ball Bearing
6204C3 Annular Ball Bearing
6204C3E1TX9 Annular Ball Bearing
6204JC3 Annular Ball Bearing
91204-10 Annular Ball Bearing
K 2954945 Annular Ball Bearing
N91 Annular Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-555-5221?
The FSCG of the NSN 3110-00-555-5221 is 3110
Does the NSN 3110-00-555-5221 have a Schedule B code assigned?
Yes, the Schedule B code is 8482105028
Does NSN 3110-00-555-5221 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 3110-00-555-5221 contain precious materials?
Precious metal content is unknown
Does NSN 3110-00-555-5221 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 3110-00-555-5221 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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