172A1189-2

View detailed technical data, stock status, and sourcing information for: 172A1189-2
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Federal Supply Group

Bearings

Federal Supply Classification

3110 Unmounted Antifriction Bearings

National Stock Number

3110-01-228-9079

Item Name Code

30213

Assigment Date

03/22/1986 (40 years ago)

Two single row annular ball bearings selected dimensionally to be a matched pair or set. The ring faces have been specially ground to specified offsets that will produce predetermined preload when mounted. May include a single row angular contact bearing with faces specially ground for duplex mounting.

1.9385 inches minimum and 1.9985 inches maximum overall width, 2.9522 inches minimum and 2.9534 inches maximum bore diameter, ground surface finish, 5.1173 inches minimum and 5.1189 inches maximum overall outside diameter, unable to decode lubrication material

Product Characteristics

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

Overall Width: 1.9385 inches minimum and 1.9985 inches maximum
Bore Diameter: 2.9522 inches minimum and 2.9534 inches maximum
Overall Outside Diameter: 5.1173 inches minimum and 5.1189 inches maximum
Lubrication Material: unable to decode
Surface Finish: ground
Load Direction: angular
Bearing Preload Designation: heavy
Standard Tolerance Designation: abec no.1
Bearing Preload Rating: 690.0 pounds nominal
Lubrication Material Document And Classification: mil-g-23827 mil spec single material response
Material: unable to decode
Style Designator: loading groove, non-separable

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
172A1189-2	Duplex Ball Bearing
MRC215RDS ABEC1-20	Duplex Ball Bearing

FAQs

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

What is the FSCG of the NSN 3110-01-228-9079?

The FSCG of the NSN 3110-01-228-9079 is 3110

Does the NSN 3110-01-228-9079 have a Schedule B code assigned?

Yes, the Schedule B code is 8482105068

Does NSN 3110-01-228-9079 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 3110-01-228-9079 contain precious materials?

Precious metal content is unknown

Does NSN 3110-01-228-9079 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 3110-01-228-9079 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Sat, Mar 22, 1986