K2803

View detailed technical data, stock status, and sourcing information for: K2803

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K2803
Federal Supply Group
Bearings
Federal Supply Classification
3110 Unmounted Antifriction Bearings
National Stock Number
3110-00-156-5344
Item Name Code
00014
Assigment Date
01/01/1961 (65 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.

1.5625 inches nominal overall width, 125.00 millimeters nominal overall outside diameter, ground surface finish, 70.00 millimeters nominal 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
1.5625 inches nominal
Bore Diameter
70.00 millimeters nominal
Overall Outside Diameter
125.00 millimeters nominal
Surface Finish
ground
Retainer Fabrication Method
pressed
Shield Quantity
1
Load Direction
angular
Bore Shape
straight
Internal Fit-Up Designation
standard
Internal Fit-Up Contact Angular Direction
inward convergent
Standard Tolerance Designation
abec no.1
Material
steel overall
Style Designator
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Below is a list of NSNs that have been officially superseded by this NSN: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
3110-00-813-3402 No Name Available 02/09/1972

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
29A5214D Annular Ball Bearing
5214D Annular Ball Bearing
5214F Annular Ball Bearing
5214KF Annular Ball Bearing
675768 Annular Ball Bearing
714145 Annular Ball Bearing
730433-11 Annular Ball Bearing
94X900 Annular Ball Bearing
J11662 Annular Ball Bearing
K2803 Annular Ball Bearing
K5214F Annular Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-156-5344?
The FSCG of the NSN 3110-00-156-5344 is 3110
Does the NSN 3110-00-156-5344 have a Schedule B code assigned?
Yes, the Schedule B code is 8482105028
Does NSN 3110-00-156-5344 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 3110-00-156-5344 contain precious materials?
Precious metal content is unknown
Does NSN 3110-00-156-5344 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 3110-00-156-5344 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

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