Product Details | ANNULAR BALL BEARING

3110-00-491-5290 A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see BEARING, BALL, DUPLEX. Excludes BEARING, BALL, AIRFRAME.

Part Alternates: M205KMBRE8606, 6205VAR, 205S, 206-040-206, 2060402061, 206-040-206-1, 3110-00-491-5290, 00-491-5290, 3110004915290, 004915290, 206040206

Bearings | Bearings, Antifriction, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 18 JUN 1969 00-491-5290

Drawings & Photos | NSN 3110-00-491-5290


Demand History | NSN 3110-00-491-5290

Part Number Request Date QTY Origin
3110-00-491-5290 2025-01-12 39 United States
206-040-206-1 2019-04-112 4 DIBBS
3110-00-491-5290 2015-08-240 1 DIBBS-RFPs
3110-00-491-5290 2012-12-338 17 DIBBS

Cross Reference | NSN 3110-00-491-5290

Part Number Cage Code Manufacturer
205S 38443 SKF USA INC DBA SKF AEROENGINE NORTH AMERICA
206-040-206 97499 BELL HELICOPTER TEXTRON INC.
206-040-206-1 21335 TIMKEN COMPANY, THE DIV TIMKEN AEROSPACE
206-040-206-1 38443 SKF USA INC DBA SKF AEROENGINE NORTH AMERICA
206-040-206-1 52676 SKF USA INC.
206-040-206-1 97499 BELL HELICOPTER TEXTRON INC.
6205VAR 52676 SKF USA INC.
M205KMBRE8606 21335 TIMKEN COMPANY, THE DIV TIMKEN AEROSPACE

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Technical Data | NSN 3110-00-491-5290

Characteristic Specifications
MATERIAL STEEL BALL STEEL INNER RING STEEL OUTER RING COPPER ALLOY 864 RETAINER
MATERIAL DOCUMENT AND CLASSIFICATION AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE BALL AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE INNER RING AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE OUTER RING ASTM B147 ASSN STD SINGLE MATERIAL RESPONSE RETAINER
STYLE DESIGNATOR 10A NON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH 15.00 MILLIMETERS NOMINAL
BORE DIAMETER 25.00 MILLIMETERS NOMINAL
OVERALL OUTSIDE DIAMETER 52.00 MILLIMETERS NOMINAL
STANDARD TOLERANCE DESIGNATION ABEC NO.3
BORE SHAPE STRAIGHT
SURFACE FINISH GROUND
RETAINER FABRICATION METHOD MACHINED
LOAD DIRECTION RADIAL
INTERNAL CLEARANCE 0.0090 INCHES NOMINAL AXIAL AND 0.0008 INCHES MINIMUM RADIAL AND 0.0014 INCHES MAXIMUM RADIAL
SPECIAL FEATURES STABILIZED FOR OPERATION AT M 65 DEG TO P 375 DEG F
TEST DATA DOCUMENT 81343-AAMS26 40 SPECIFICATION AND 81343-AES-10A5 SPECIFICATION AND 81343-AES-14A7 SPECIFICATION
MANUFACTURERS CODE 97499
MFR SOURCE CONTROLLING REFERENCE 206-040-206

Restrictions/Controls & Freight Information | NSN 3110-00-491-5290

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 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 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 3110-00-491-5290

Category Code Description
Materiel Category and Inventory ManagerT Industrial Supplies (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic CodeB Rotary Wing Aircraft
Weapons Systems/End Item or Homogeneous GroupBPOH-58A and OH-58C
Accounting Requirements CodeX Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityZThis is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each
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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each