Product Details | ANNULAR BALL BEARING

3110-00-921-0903 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: SR45K25209920, SR45K25-209920, SR4R5P25209920, SR4R5P25-209920, 209920, 3110-00-921-0903, 00-921-0903, 3110009210903, 009210903

Bearings | Bearings, Antifriction, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 11 DEC 1965 00-921-0903

Drawings & Photos | NSN 3110-00-921-0903


Cross Reference | NSN 3110-00-921-0903

Part Number Cage Code Manufacturer
209920 99193 HONEYWELL INTERNATIONAL INC. DBA HONEYWELL
SR45K25-209920 83086 NEW HAMPSHIRE BALL BEARINGS, INC. DIV HITECH DIVISION
SR4R5P25-209920 40920 MPB CORPORATION DBA TIMKEN SUPER PRECISION

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Technical Data | NSN 3110-00-921-0903

Characteristic Specifications
MATERIAL STEEL COMP 440C OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
STYLE DESIGNATOR 10A NON-LOADING GROOVE, NON-SEPARABLE
OVERALL WIDTH 0.1960 INCHES NOMINAL
BORE DIAMETER 0.2500 INCHES NOMINAL
OVERALL OUTSIDE DIAMETER 0.6250 INCHES NOMINAL
LUBRICATION MATERIAL OIL
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION F50,FSCM 24446 MFR REF SINGLE MATERIAL RESPONSE
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
MANUFACTURERS CODE 99193
MFR SOURCE CONTROLLING REFERENCE 209920

Restrictions/Controls & Freight Information | NSN 3110-00-921-0903

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 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 3110-00-921-0903

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 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