KNDB4-2

Comprehensive specifications and application details for: KNDB4-2 Self-Aligning Plain Bearing.

Summary

Explore detailed summary information for bearing: KNDB4-2. Includes NSN, classification group, and identification codes to support sourcing, compliance, and accurate part tracking.

Part Number
KNDB4-2
Federal Supply Classification
3120 Unmounted Plain Bearings
(NSN) National Stock Number
3120-01-117-0032
Item Name Code
13208
Federal Item Identification Guide
A045A0
Assigment Date
08/07/1981

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.

used to 325.0 deg f max functional description, 55.0 rockwell c minimum and 62.0 rockwell c maximum inner member hardness rating, 0.3730 inches minimum and 0.3750 inches maximum inner member width, 23.0 rockwell c minimum and 35.0 rockwell c maximum outer race member hardness rating, 0.2495 inches minimum and 0.2500 inches maximum bore diameter

Datasheet

Below are the comprehensive technical specifications for bearing: 3120-01-117-0032 . Find dimensions, materials, tolerances, performance characteristics, etc.

Bore Diameter
0.2495 inches minimum and 0.2500 inches maximum
Functional Description
used to 325.0 deg f max
Hardness Rating
55.0 rockwell c minimum and 62.0 rockwell c maximum inner member
Hardness Rating
23.0 rockwell c minimum and 35.0 rockwell c maximum outer race member
Inner Member Width
0.3730 inches minimum and 0.3750 inches maximum
Lubrication Feature
self-lubricating liner bore liner
Material Document And Classification
ams5630,uns s44004 assn std single material response inner member
Material Document And Classification
ams5643,uns s17400 assn std 1st material response or ams5528,uns s17700 assn std 2nd material response or aisi/sae j405,uns s41000 assn std 3rd material response outer race member
Material
plastic polytetrafluoroethylene race liner
Material
steel comp 440c inner member
Material
steel comp 630 or steel comp 631 or steel comp 410 outer race member
Outer Member Outside Diameter
0.6557 inches minimum and 0.6562 inches maximum
Outer Member Width
0.2450 inches minimum and 0.2550 inches maximum
Relationship To Similar Equipment
similar to nsn 3120-00-332-4401 mfr std r/n 76301-st4m137-4
Specification/Standard Data
96906-ms21233 government standard
Static Radial Load Rating
6040 pounds
Style Designator
with insert and/or liner

Frequently Asked Questions

Find quick answers to common questions about bearing: KNDB4-2. Explore technical specifications, installation tips, maintenance guidelines, regulatory requirements, and troubleshooting advice.

What is the FSCG of the NSN 3120-01-117-0032?
The FSCG of the NSN 3120-01-117-0032 is 3120
Does the NSN 3120-01-117-0032 have a Schedule B code assigned?
Yes, the Schedule B code is 8482300040
Does NSN 3120-01-117-0032 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 3120-01-117-0032 contain precious materials?
Item does not contain precious metal.
Does NSN 3120-01-117-0032 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 3120-01-117-0032 was assigned to the Federal Catalog?
It was assigned 43 years ago, on Fri, Aug 7, 1981

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