R8K4

View detailed technical data, stock status, and sourcing information for: R8K4

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R8K4
Federal Supply Group
Bearings
Federal Supply Classification
3110 Unmounted Antifriction Bearings
National Stock Number
3110-00-155-8429
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.

0.5000 inches nominal bore diameter, 0.2500 inches nominal overall width, 1.1250 inches nominal overall outside diameter, radial load direction, ground surface finish

Product Characteristics

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

Overall Width
0.2500 inches nominal
Bore Diameter
0.5000 inches nominal
Overall Outside Diameter
1.1250 inches nominal
Surface Finish
ground
Load Direction
radial
Bore Shape
straight
Internal Fit-Up Designation
standard
Standard Tolerance Designation
abec no.5
Material
steel ball
Material
steel inner ring
Material
steel outer ring
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Below is a list of NSNs that have been officially superseded by this NSN: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
3110-00-289-6684 No Name Available 01/01/1982
3110-01-047-8006 No Name Available 08/01/1980

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R8-ABEC5-MRC20LUB Annular Ball Bearing
R8K3 Annular Ball Bearing
R8K4 Annular Ball Bearing
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R8X5E Annular Ball Bearing
R8XR5 Annular Ball Bearing
R8XR5CJ Annular Ball Bearing
R8XR5E Annular Ball Bearing
R8ZJ5E Annular Ball Bearing
RMMS5KFS160L Annular Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-155-8429?
The FSCG of the NSN 3110-00-155-8429 is 3110
Does the NSN 3110-00-155-8429 have a Schedule B code assigned?
Yes, the Schedule B code is 8482105028
Does NSN 3110-00-155-8429 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 3110-00-155-8429 contain precious materials?
Precious metal content is unknown
Does NSN 3110-00-155-8429 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 3110-00-155-8429 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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