Product Details | ANNULAR BALL BEARING

3110-00-897-2944 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: A566256, A566-256, AMMS3K, FFB171TYPE115GRADE50, SR6K, 3110-00-897-2944, 00-897-2944, 3110008972944, 008972944

Bearings | Bearings, Antifriction, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 01 JAN 1963 00-897-2944

Drawings & Photos | NSN 3110-00-897-2944


Cross Reference | NSN 3110-00-897-2944

Part Number Cage Code Manufacturer
A566-256 34228 L-3 COMMUNICATIONS CORPORATION DBA L-3 KEO
AMMS3K 21335 TIMKEN COMPANY, THE DIV TIMKEN AEROSPACE
FFB171TYPE115GRADE50 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES
SR6K 70854 BARDEN CORPORATION, THE DIV BARDEN PRECISION BEARINGS

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Technical Data | NSN 3110-00-897-2944

Characteristic Specifications
MATERIAL STEEL CORROSION RESISTING OVERALL
STYLE DESIGNATOR 10A NON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH 0.2187 INCHES NOMINAL
BORE DIAMETER 0.3750 INCHES NOMINAL
OVERALL OUTSIDE DIAMETER 0.8750 INCHES NOMINAL
STANDARD TOLERANCE DESIGNATION ABEC NO.5
BORE SHAPE STRAIGHT
SURFACE FINISH GROUND
RETAINER FABRICATION METHOD PRESSED
LOAD DIRECTION RADIAL
INTERNAL CLEARANCE 0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL
SPECIAL FEATURES INNER RING RUNOUT 0.0001 IN. ALSO OUTER RING RUNOUT 0.0002 IN.
NONDEFINITIVE SPEC/STD DATA 115 TYPE AND 50 GRADE
DEPARTURE FROM CITED DESIGNATOR AS MODIFIED BY AFBMA STD TOLERANCE DESIGNATION
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FFB171TYPE115GRADE50

Restrictions/Controls & Freight Information | NSN 3110-00-897-2944

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 P 77.5
Less than truck load rating P 77.5
Water commodity Code 742 unknown
Originating Activity Code XX
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 3110-00-897-2944

Category Code Description
Cognizance Codes9ZNavy-owned stocks of defense industrial material
Naval Inventory Control Point, Mechanicsburg
Source of SupplyS9IDefense Industrial Supply Center
Philadelphia, PA 19111
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