Product Details | CYLINDRICAL ROLLER BEARING

3110-00-421-7425 A nonadjustable roller bearing consisting of a single or multiple-row of hardened cylindrical rollers and a retainer used with or without inner or oute r rings. Excludes BEARING, ROLLER, AIRFRAME.

Part Alternates: AAV9110RW1MSRA1732, 12840, 369A51993, 369A5199-3, 5RFH11015, 5RFH110-15, 3110-00-421-7425, 00-421-7425, 3110004217425, 004217425

Bearings | Bearings, Antifriction, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 21 DEC 1970 00-421-7425

Drawings & Photos | NSN 3110-00-421-7425


Cross Reference | NSN 3110-00-421-7425

Part Number Cage Code Manufacturer
12840 06144 INDUSTRIAL TECTONICS BEARINGS CORPORATION
369A5199-3 02731 MCDONNELL DOUGLAS HELICOPTER CO INC
369A5199-3 8V613 BOEING COMPANY, THE DBA BOEING
5RFH110-15 78118 MPB CORPORATION DBA TIMKEN AEROSPACE
AAV9110RW1MSRA1732 21335 TIMKEN COMPANY, THE DIV TIMKEN AEROSPACE

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Technical Data | NSN 3110-00-421-7425

Characteristic Specifications
MATERIAL STEEL INNER RING STEEL OUTER RING STEEL RETAINER STEEL ROLLER
MATERIAL DOCUMENT AND CLASSIFICATION AMS 6490 ASSN STD SINGLE MATERIAL RESPONSE INNER RING AMS 6490 ASSN STD SINGLE MATERIAL RESPONSE OUTER RING AMS 6415 ASSN STD SINGLE MATERIAL RESPONSE RETAINER AMS 6490 ASSN STD SINGLE MATERIAL RESPONSE ROLLER
STYLE DESIGNATOR 252E SINGLE ROW, ONE-DIRECTION LOCATING, TWO LIP INNER RING, ONE LIP OUTER RING, SEPARABLE
OVERALL WIDTH 16.0 MILLIMETERS NOMINAL
BORE DIAMETER 50.0 MILLIMETERS NOMINAL
OVERALL OUTSIDE DIAMETER 80.0 MILLIMETERS NOMINAL
STANDARD TOLERANCE DESIGNATION RBEC NO.1
BORE SHAPE STRAIGHT
SURFACE FINISH GROUND
RETAINER FABRICATION METHOD MACHINED
LOCATING FEATURE ONE DIRECTION
INTERNAL CLEARANCE 0.0027 INCHES MINIMUM RADIAL AND 0.0037 INCHES MAXIMUM RADIAL
SPECIAL FEATURES STABILIZED FOR OPERATION FROM M65 DEG F TO P250 DEG F,LUBRICATED W/MIL-L-23699
III PRECIOUS MATERIAL SILVER
III PRECIOUS MATERIAL AND LOCATION RETAINER SILVER

Restrictions/Controls & Freight Information | NSN 3110-00-421-7425

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:BMunitions List Item - Mutilation (MUT) to the point of scrap required. (Formerly: Demilitarization not required. Trade Security Controls (TSCs) required at disposition.)
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:SItem contains silver
Criticality Code:FThe item is an Aviation Critical Safety Item/Flight Safety Critical Aircraft Part ((ACSI/FSCAP).
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 CT U.S. Army Aviation and Missile Command (AIR)
Redstone Arsenal, AL 35898-5230
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 Y Protected cargo, other than above, including sensitive cargo requiring hand-to-hand receipt and/or security precautions.
Special Handling Code 5 unknonwn
HAZMAT
Type of Cargo Z No special type of cargo code applicable

Management | NSN 3110-00-421-7425

Category Code Description
Cognizance Codes9WNavy-owned stocks of material managed by the Army within the Army Troop Support and Aviation Materiel Readiness Command
Naval Inventory Control Point, Mechanicsburg
Source of SupplyB17US Army Aviation and Missile Command (Air)
ATTN: AMSMI-LC-MM-C
Redstone Arsenal, AL 35898-5230
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesVTERMINAL ITEM # Identifies items in stock, but future procurement is not authorized. Requisitions may continue to be submitted until stocks are exhausted. Preferred item National Stock Number is normally provided by application of the phrase: When Exhausted Use (NSN). Requisitions will be submitted in accordance with IMM/Service requisitioning procedures as applicable.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each