310915

View detailed technical data, stock status, and sourcing information for: 310915

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310915
Federal Supply Group
Bearings
Federal Supply Classification
3110 Unmounted Antifriction Bearings
National Stock Number
3110-00-554-0712
Item Name Code
00015
Assigment Date
01/01/1961 (65 years ago)

A circular, single or multipiece, rigid, metallic or nonmetallic item having a centrally located hole with a sharp edge on the inside periphery. It is supplied in various cross-sectional shapes and is designed to be installed in a cylinder, shock strut, or similar device to remove excess oil, dirt, ice, and/or foreign material from a piston, ram, or sliding rod. Excludes:packing, preformed; ring, piston; and seal ring, metal.

0.7824 inches minimum and 0.7874 inches maximum overall width, 3.5430 inches minimum and 3.5433 inches maximum overall outside diameter, 1.9683 inches minimum and 1.9685 inches maximum bore diameter, ground surface finish, 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
0.7824 inches minimum and 0.7874 inches maximum
Bore Diameter
1.9683 inches minimum and 1.9685 inches maximum
Overall Outside Diameter
3.5430 inches minimum and 3.5433 inches maximum
Surface Finish
ground
Retainer Fabrication Method
machined
Bore Shape
straight
Locating Feature
nonlocating
Internal Clearance
0.0009 inches minimum radial and 0.0019 inches maximum radial
Standard Tolerance Designation
rbec no.5
Special Features
silver plate cage on land riding surfaces and roller pockets 0.0005-0.0015 thk per ams 2412 no strike metal reqd. bake at 475-500f for 2 hrs to check for bond. rings and rollers stabilized for min. distortion at 400f
Material
copper alloy retainer
Material
steel inner ring
Material
steel outer ring
Material
steel roller
Material Document And Classification
ams 4616 assn std single material response retainer
Material Document And Classification
pwa 723,dscm 77445 mfr ref single material response outer ring
Material Document And Classification
pwa 723,fscm 77445 mfr ref single material response inner ring
Material Document And Classification
pwa 723,fscm 77445 mfr ref single material response roller
Style Designator
single row, two-direction locating, two lip inner ring, two 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
3110-00-585-1795 No Name Available 03/02/1970
3110-01-088-0805 No Name Available 04/01/1991

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
310913 Cylindrical Roller Bearing
310915 Cylindrical Roller Bearing
740859 Cylindrical Roller Bearing
740860 Cylindrical Roller Bearing
768295 Cylindrical Roller Bearing

FAQs

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

What is the FSCG of the NSN 3110-00-554-0712?
The FSCG of the NSN 3110-00-554-0712 is 3110
Does the NSN 3110-00-554-0712 have a Schedule B code assigned?
Yes, the Schedule B code is 8482500000
Does NSN 3110-00-554-0712 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 3110-00-554-0712 contain precious materials?
Item does not contain precious metal.
Does NSN 3110-00-554-0712 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 3110-00-554-0712 was assigned to the Federal Catalog?
It was assigned 65 years ago, on Sun, Jan 1, 1961

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