143-110 REF 4A1

View detailed technical data, stock status, and sourcing information for: 143-110 REF 4A1

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143-110 REF 4A1
Federal Supply Group
Bearings
Federal Supply Classification
3110 Unmounted Antifriction Bearings
National Stock Number
3110-00-829-9921
Item Name Code
00021
Assigment Date
09/08/1967 (58 years ago)

A single or multiple-row antifriction bearing used with or without inner or outer races characterized by relatively small size rollers usually not ranging above 0.250 inch (6.35mm) diameter and generally longer in length in relation to diameter.

2.5000 inches nominal bore diameter, 0.3750 inches nominal standout width, 5.3750 inches nominal overall outside diameter, 1.8125 inches nominal overall width, 0.1300 inches nominal backface corner radius

Product Characteristics

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

Overall Width
1.8125 inches nominal
Bore Diameter
2.5000 inches nominal
Overall Outside Diameter
5.3750 inches nominal
Backface Corner Radius
0.1300 inches nominal
Standout Width
0.3750 inches nominal
Cone Corner Radius
0.1400 inches nominal
Cone Width
1.8125 inches nominal
Cup Width
1.4375 inches nominal
Retainer Fabrication Method
pressed
Standard Tolerance Designation
afbma class 2
Material
steel overall
Style Designator
straight bore, normal angle

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
143-110 REF 4A1 Tapered Roller Bearing
H715336 AND H715311 Tapered Roller Bearing
H715336H715311 Tapered Roller Bearing
MS19081-110 Tapered Roller Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-829-9921?
The FSCG of the NSN 3110-00-829-9921 is 3110
Does the NSN 3110-00-829-9921 have a Schedule B code assigned?
Yes, the Schedule B code is 8482200030
Does NSN 3110-00-829-9921 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 3110-00-829-9921 contain precious materials?
Precious metal content is unknown
Does NSN 3110-00-829-9921 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 3110-00-829-9921 was assigned to the Federal Catalog?
It was assigned 58 years ago, on Fri, Sep 8, 1967

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