KP37BS

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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-01-134-7591

Item Name Code

00041

Assigment Date

07/08/1982 (44 years ago)

A tubular shaped item with or without flange(s) designed to reduce friction and carry a kinetic load on the surface(s) parallel to the axis of the bore. It must have a visible or detectable means of lubrication or be self-lubricated. The over all length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body, except for straight tubular (without flange or shoulder) items having a bearing surface(s) parallel to the axis of the bore only. Includes items which are divided into two or more segments which include 180 degrees (3.141 radians) or less of the bearing periphery. See also bushing, sleeve; spacer, sleeve; and washer (as modified). Excludes:pin, hollow.

3.2500 inches nominal overall outside diameter, 2.3130 inches nominal bore diameter, 0.3750 inches nominal outer ring width, 0.4375 inches nominal inner ring width, 2 seal quantity

Product Characteristics

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

Bore Diameter: 2.3130 inches nominal
Overall Outside Diameter: 3.2500 inches nominal
Outer Ring Width: 0.3750 inches nominal
Inner Ring Width: 0.4375 inches nominal
Seal Quantity: 2
Bearing Seal Type: contact
Alignment Type: self-aligning
Load Direction: radial
Self-Alignment Location: external
Standard Tolerance Designation: afbma std tolerance for airframe ball bearings
Lubrication Material: grease
Lubrication Material Document And Classification: mil-g-23827 mil spec single material response
Material: rubber butadiene-acrylonitrile class nbr seal
Material: steel comp e52100 overall
Material Document And Classification: aisi assn std single material response overall
Style Designator: single row, external self aligning, w/aligning ring

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
BACB10A240	Airframe Ball Bearing
KP37BS	Airframe Ball Bearing
KP37BSFS428	Airframe Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-01-134-7591?

The FSCG of the NSN 3110-01-134-7591 is 3110

Does the NSN 3110-01-134-7591 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105068

Does NSN 3110-01-134-7591 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 3110-01-134-7591 contain precious materials?

Item does not contain precious metal.

Does NSN 3110-01-134-7591 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 3110-01-134-7591 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Thu, Jul 8, 1982