740721

View detailed technical data, stock status, and sourcing information for: 740721

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740721
Federal Supply Group
Bearings
Federal Supply Classification
3110 Unmounted Antifriction Bearings
National Stock Number
3110-00-871-7623
Item Name Code
00015
Assigment Date
11/10/1967 (58 years ago)

An item internally threaded from one end, and completely inclosed on the opposite end. The outer periphery parallel to the threaded axis may be square, cylindrical, hexagonal, octagonal, or dodecagonal and taper to a cone or dome shape on the closed end. For like items which are stamped or formed from sheet stock, see nut (1), stamped. For similar items which are flat on top and bottom see nut (1), sleeve or post, electrical-mechanical equipment.

2.8343 inches minimum and 2.8346 inches maximum overall outside diameter, ground surface finish, 1.1809 inches minimum and 1.1811 inches maximum bore diameter, 0.7460 inches minimum and 0.7480 inches maximum overall width, machined retainer fabrication method

Product Characteristics

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

Overall Width
0.7460 inches minimum and 0.7480 inches maximum
Bore Diameter
1.1809 inches minimum and 1.1811 inches maximum
Overall Outside Diameter
2.8343 inches minimum and 2.8346 inches maximum
Surface Finish
ground
Retainer Fabrication Method
machined
Bore Shape
straight
Locating Feature
one direction
Internal Clearance
0.0013 inches minimum radial and 0.0022 inches maximum radial
Standard Tolerance Designation
rbec no.5
Special Features
silver platedretainer
Material
steel comp 8620 inner ring
Material
steel comp 8620 roller
Material Document And Classification
ams 6276 assn std single material response inner ring
Material Document And Classification
ams 6276 assn std single material response roller
Style Designator
single row, one-direction locating, two lip inner ring, one lip outer ring, separable

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
3110-00-869-0648 No Name Available 07/01/1988
3110-01-065-8378 No Name Available 09/01/2008
3110-01-124-7742 No Name Available 04/01/1985

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
2173962 Cylindrical Roller Bearing
548236 Cylindrical Roller Bearing
548237 Cylindrical Roller Bearing
548259 Cylindrical Roller Bearing
740721 Cylindrical Roller Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-871-7623?
The FSCG of the NSN 3110-00-871-7623 is 3110
Does the NSN 3110-00-871-7623 have a Schedule B code assigned?
Yes, the Schedule B code is 8482500000
Does NSN 3110-00-871-7623 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 3110-00-871-7623 contain precious materials?
Item does not contain precious metal.
Does NSN 3110-00-871-7623 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 3110-00-871-7623 was assigned to the Federal Catalog?
It was assigned 58 years ago, on Fri, Nov 10, 1967

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