Product Details | DUPLEX BALL BEARING

3110-01-288-7875 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: 717801756001, 717801756-001, G303, 3110-01-288-7875, 01-288-7875, 3110012887875, 012887875

Bearings | Bearings, Antifriction, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 13 NOV 1988 01-288-7875

Cross Reference | NSN 3110-01-288-7875

Part Number Cage Code Manufacturer
717801756-001 04939 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN
G303 40920 MPB CORPORATION DBA TIMKEN SUPER PRECISION

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Technical Data | NSN 3110-01-288-7875

Characteristic Specifications
MATERIAL STEEL COMP 440C BALL STEEL COMP 440C INNER RING STEEL COMP 440C OUTER RING PLASTIC POLYTETRAFLUOROETHYLENE RETAINER STEEL COMP 440C SPACER
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE BALL QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE INNER RING QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE OUTER RING AMS 3656 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 3655 ASSN STD SINGLE MATERIAL RESPONSE RETAINER QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE SPACER
SURFACE TREATMENT PASSIVATE BALL PASSIVATE INNER RING PASSIVATE OUTER RING PASSIVATE SPACER
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE BALL ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE INNER RING ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE OUTER RING ASTM A380 ASSN STD SINGLE TREATMENT RESPONSE SPACER
OVERALL WIDTH 0.6250 INCHES NOMINAL
BORE DIAMETER 0.5000 INCHES NOMINAL
OVERALL OUTSIDE DIAMETER 0.7500 INCHES NOMINAL
LUBRICATION MATERIAL OIL
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATION CODE 7001,717806000,CAGEC 04939 MFR REF SINGLE MATERIAL RESPONSE
STANDARD TOLERANCE DESIGNATION ABEC NO. 7T
SURFACE FINISH GROUND
BEARING PRELOAD RATING 7.0 POUNDS MINIMUM AND 9.0 POUNDS MAXIMUM
CONTACT ANGLE 30.0 DEGREES NOMINAL
SPECIAL FEATURES EACH BEARING SHALL BE LUBRICATED WITH 2 DROPS OF SPECIFIED LUBRICANT

Restrictions/Controls & Freight Information | NSN 3110-01-288-7875

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.
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 KH Defense Industrial Supply Center
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 3110-01-288-7875

Category Code Description
Budget Code9 General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
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