Product Details | DUPLEX BALL BEARING

3110-00-891-1620 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: K67474411, K674744-11, V20212EDBS5DA, V20212EDBSJDA, 2MM212WIVMMBRDBE9284, 2MM212WIVMMBRFNR9284, 3110-00-891-1620, 00-891-1620, 3110008911620, 008911620

Bearings | Bearings, Antifriction, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 18 JAN 1967 00-891-1620

Drawings & Photos | NSN 3110-00-891-1620


Cross Reference | NSN 3110-00-891-1620

Part Number Cage Code Manufacturer
2MM212WIVMMBRDBE9284 21335 TIMKEN COMPANY, THE DIV TIMKEN AEROSPACE
2MM212WIVMMBRFNR9284 21335 TIMKEN COMPANY, THE DIV TIMKEN AEROSPACE
K674744-11 84955 KAMAN AEROSPACE CORPORATION DBA AIR VEHICLES & MRO DIVISION
V20212EDBS5DA 43334 GENERAL MOTORS CORP DELCO MORAINE NDH DIV
V20212EDBSJDA 43334 GENERAL MOTORS CORP DELCO MORAINE NDH DIV

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Technical Data | NSN 3110-00-891-1620

Characteristic Specifications
MATERIAL STEEL BALL STEEL INNER RING STEEL OUTER RING COPPER ALLOY RETAINER
STYLE DESIGNATOR 92B COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
OVERALL WIDTH 1.7122 INCHES MINIMUM AND 1.7323 INCHES MAXIMUM
BORE DIAMETER 2.3619 INCHES MINIMUM AND 2.3622 INCHES MAXIMUM
OVERALL OUTSIDE DIAMETER 4.3304 INCHES MINIMUM AND 4.3307 INCHES MAXIMUM
STANDARD TOLERANCE DESIGNATION ABEC NO.5
SURFACE FINISH GROUND
RETAINER FABRICATION METHOD MACHINED
LOAD DIRECTION ANGULAR
INTERNAL FIT-UP DESIGNATION STANDARD
BEARING PRELOAD DESIGNATION LIGHT
MANUFACTURERS CODE 84955
MFR SOURCE CONTROLLING REFERENCE K674744-11

Restrictions/Controls & Freight Information | NSN 3110-00-891-1620

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:AItem does not contain precious metal
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:0Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)
Category Code Description
NMF Description 114820 BEARINGS/BUSHINGS NOI BALL/ROLLER
Less than car load rating P 77.5
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 V Vehicles, machinery, shop and warehouse equipment and supplies, including special tools and equipment, ground servicing and special purpose vehicles, marine equipment and supplies, repair and maintenance parts for the above.
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 3110-00-891-1620

Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Special Material IDBHHELICOPTERS(H2)
Special Material Content9 Non-Hazardous or Non-Sensitive Item, does not require hazardous or special handling, packaging or precautions
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesPRESTRICTED REQUISITION - SECURITY ASSISTANCE PROGRAM (SAP) 1. Indicates item is stocked or acquired only for SAP (replaces Military Assistance Program (MAP)) requirements, or 2. Indicates item is nonstocked and materiel is ordered from the contractor for shipment directly to the foreign government. 3. Base, post, camp, or station will not requisition.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each