KR5A-CNGBC Self-Aligning Plain Bearing

Comprehensive specifications and application details for: KR5A-CNGBC Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: KR5A-CNGBC. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
KR5A-CNGBC
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-01-306-2848
Item Name Code
13208
Federal Item Identification Guide
A045A0
Assigment Date
08/21/1989

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes:bearing, plain, rod end and bearing, plain, spherical.

43.0 rockwell c minimum and 47.0 rockwell c maximum inner member hardness rating, 0.3120 inches minimum and 0.3125 inches maximum bore diameter, 0.3730 inches minimum and 0.3750 inches maximum inner member width, 28.0 rockwell c minimum and 37.0 rockwell c maximum outer ring hardness rating, self-lubricating liner internal race insert lubrication feature

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-306-2848 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter
0.3120 inches minimum and 0.3125 inches maximum
Hardness Rating
43.0 rockwell c minimum and 47.0 rockwell c maximum inner member
Hardness Rating
28.0 rockwell c minimum and 37.0 rockwell c maximum outer ring
Inner Member Width
0.3730 inches minimum and 0.3750 inches maximum
Lubrication Feature
self-lubricating liner internal race insert
Material Document And Classification
ams 5629 assn std single material response inner member
Material Document And Classification
ams 5643 assn std single material response outer race member
Material
plastic polytetrafluoroethylene race liner
Material
steel comp 630 outer race member
Material
steel comp xm-13 inner member
Outer Member Outside Diameter
0.7495 inches minimum and 0.7500 inches maximum
Outer Member Width
0.2760 inches minimum and 0.2860 inches maximum
Static Radial Load Rating
8750 pounds
Style Designator
with insert and/or liner

Frequently Asked Questions

Find quick answers to common questions about bearing: KR5A-CNGBC. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-306-2848?
The FSCG of the NSN 3120-01-306-2848 is 3120
Does the NSN 3120-01-306-2848 have a Schedule B code assigned?
Yes, the Schedule B code is 8482300040
Does NSN 3120-01-306-2848 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 3120-01-306-2848 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-01-306-2848 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 3120-01-306-2848 was assigned to the Federal Catalog?
It was assigned 37 years ago, on Mon, Aug 21, 1989

Price & Availability

Fill out the form to get pricing and availability details for the bearing: KR5A-CNGBC

Stock Availability

This product is available in the following quantities and conditions:

New Material 37
New Surplus 5
Total 42
Availability of this item was last updated on: 10/13/2025 07:10 PM EDT. Availability may have changed since then. Request a quote for up to date pricing and availability.

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