KM3A47

View detailed technical data, stock status, and sourcing information for: KM3A47

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KM3A47
Federal Supply Group
Bearings
Federal Supply Classification
3110 Unmounted Antifriction Bearings
National Stock Number
3110-00-100-4210
Item Name Code
00021
Assigment Date
01/01/1961 (65 years ago)

A cylindrical device in which the inner cone or outer cup turns upon a single or double row of tapered hardened rollers which roll easily in a race, thus minimizing friction and designed to carry a radial load and capable of sustaining axial thrust. Excludes:bearing,roller,thrust.

5.0000 inches nominal overall outside diameter, 2.8750 inches nominal bore diameter, 0.3125 inches nominal standout width, 0.1250 inches nominal backface corner radius, 1.4375 inches 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
1.4375 inches nominal
Bore Diameter
2.8750 inches nominal
Overall Outside Diameter
5.0000 inches nominal
Backface Corner Radius
0.1250 inches nominal
Standout Width
0.3125 inches nominal
Cone Corner Radius
0.1400 inches nominal
Cone Width
1.4240 inches nominal
Cup Width
1.1250 inches nominal
Standard Tolerance Designation
afbma class 2
Material
steel comp 4320 or steel comp 4620 or steel comp 8620 cone
Material
steel comp e52100 or steel comp 4320 or steel comp 4620 cup
Material Document And Classification
66 fed std 1st material response or qq-s-624 fed spec 2nd material response cup
Material Document And Classification
qq-s-624 fed spec all material responses cone
Style Designator
straight bore, normal angle

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
3110-00-622-4352 No Name Available 04/01/1985
3110-00-843-7664 No Name Available 09/27/1967

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
13326DA Tapered Roller Bearing
300563-300567 Tapered Roller Bearing
300563-567 Tapered Roller Bearing
300567-563 Tapered Roller Bearing
303563/567 Tapered Roller Bearing
31H1 Tapered Roller Bearing
32147V Tapered Roller Bearing
567-563 Tapered Roller Bearing
8236-SET425 Tapered Roller Bearing
9442744 Tapered Roller Bearing
KM3A47 Tapered Roller Bearing
MS19081-123 Tapered Roller Bearing
RM3A47 Tapered Roller Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-100-4210?
The FSCG of the NSN 3110-00-100-4210 is 3110
Does the NSN 3110-00-100-4210 have a Schedule B code assigned?
Yes, the Schedule B code is 8482200030
Does NSN 3110-00-100-4210 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 3110-00-100-4210 contain precious materials?
Item does not contain precious metal.
Does NSN 3110-00-100-4210 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 3110-00-100-4210 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

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