Product Details | DUPLEX BALL BEARING

3110-00-495-0081 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.

Part Alternates: 3TAR1219UDB203, 3TAR12-19UDB20-3, 3TAR1219UDB2030, 3TAR12-19UDB20-30, 3110-00-495-0081, 00-495-0081, 3110004950081, 004950081

Bearings | Bearings, Antifriction, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 23 MAR 1972 00-495-0081

Drawings & Photos | NSN 3110-00-495-0081


Cross Reference | NSN 3110-00-495-0081

Part Number Cage Code Manufacturer
3TAR12-19UDB20-3 40920 MPB CORPORATION DBA TIMKEN SUPER PRECISION
3TAR12-19UDB20-30 78118 MPB CORPORATION DBA TIMKEN AEROSPACE

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Technical Data | NSN 3110-00-495-0081

Characteristic Specifications
MATERIAL STEEL COMP 440C BALL STEEL COMP 440C INNER RING STEEL COMP 440C OUTER RING PLASTIC PHENOLIC RETAINER
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-763,CLASS 440C FED SPEC SINGLE MATERIAL RESPONSE BALL QQ-S-763,CLASS 440C FED SPEC SINGLE MATERIAL RESPONSE INNER RING QQ-S-763,CLASS 440C FED SPEC SINGLE MATERIAL RESPONSE OUTER RING
STYLE DESIGNATOR 92B COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
OVERALL WIDTH 0.5000 INCHES NOMINAL
BORE DIAMETER 0.7498 INCHES MINIMUM AND 0.7500 INCHES MAXIMUM
OVERALL OUTSIDE DIAMETER 1.1871 INCHES MINIMUM AND 1.1875 INCHES MAXIMUM
LUBRICATION MATERIAL GREASE
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION MIL-G-81322 MIL SPEC SINGLE MATERIAL RESPONSE
SURFACE FINISH GROUND
RETAINER FABRICATION METHOD MACHINED
LOAD DIRECTION ANGULAR
INTERNAL CLEARANCE 0.0002 INCHES MINIMUM RADIAL AND 0.0008 INCHES MAXIMUM RADIAL
BEARING PRELOAD DESIGNATION MEDIUM

Restrictions/Controls & Freight Information | NSN 3110-00-495-0081

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:UPrecious metal type is unknown
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Category Code Description
NMF Description 114820 BEARINGS/BUSHINGS NOI BALL/ROLLER
Less than car load rating
Less than truck load rating P 77.5
Water commodity Code 742 unknown
Originating Activity Code KE Naval ICP
Philadelphia, PA 19111
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity B Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling Z No special handling required.
Special Handling Code 9 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 3110-00-495-0081

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesYTERMINAL ITEM #(NON-STOCKED ITEMS) Future procurement is not authorized. No wholesale stock is available for issue. 1. Requisitions will not be processed to the wholesale manager. 2. Internal Service/agency requisitioning may be continued in accordance with the Service/agency requisitioning policies.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each