Product Details | CYLINDRICAL ROLLER BEARING

3110-00-864-9276 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: 389820, 389821, 740738, 3110-00-864-9276, 00-864-9276, 3110008649276, 008649276

Bearings | Bearings, Antifriction, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 18 OCT 1967 00-864-9276

Drawings & Photos | NSN 3110-00-864-9276


Cross Reference | NSN 3110-00-864-9276

Part Number Cage Code Manufacturer
389820 77445 UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS
389821 77445 UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS
740738 77445 UNITED TECHNOLOGIES CORPORATION DBA PRATT WHITNEY-SPARE PARTS

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Technical Data | NSN 3110-00-864-9276

Characteristic Specifications
MATERIAL STEEL COMP E52100 INNER RING STEEL COMP E52100 OUTER RING COPPER ALLOY RETAINER STEEL COMP E52100 ROLLER
MATERIAL DOCUMENT AND CLASSIFICATION AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE INNER RING AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE OUTER RING AMS 4616 ASSN STD SINGLE MATERIAL RESPONSE RETAINER AMS 6440 ASSN STD SINGLE MATERIAL RESPONSE ROLLER
STYLE DESIGNATOR 252A SINGLE ROW, NON-LOCATING, TWO LIP INNER RING, CYLINDRICAL OUTER RING, SEPARABLE
OVERALL WIDTH 20.0 MILLIMETERS NOMINAL
BORE DIAMETER 50.0 MILLIMETERS NOMINAL
OVERALL OUTSIDE DIAMETER 90.0 MILLIMETERS NOMINAL
STANDARD TOLERANCE DESIGNATION RBEC NO.5
BORE SHAPE STRAIGHT
SURFACE FINISH GROUND
RETAINER FABRICATION METHOD MACHINED
LOCATING FEATURE NONLOCATING
INTERNAL CLEARANCE 0.0012 INCHES MINIMUM RADIAL AND 0.0022 INCHES MAXIMUM RADIAL
MANUFACTURERS CODE 77445
DESIGN CONTROL REFERENCE 389821

Restrictions/Controls & Freight Information | NSN 3110-00-864-9276

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).
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 671 unknown
Originating Activity Code TG Warner-Robins Air Logistics Center
Robins AFB, GA 31098-5609
Air Dimension Code A Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity
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 3110-00-864-9276

Category Code Description
Materiel Management Aggregation CodeRVSX:PRATT & WHITNEY JET ENGINES & COMPONENTS TF-33
Fund CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Price ValidationV The current standard price has been validated.
  • The item has been analyzed in conjunction with the Zero Overpricing Program and is in the accepted price range.
  • The item was procured under open competition and under the competitive arena the price is considered fair and reasonable.
  • ZOP or Standard price challenges are permissible but must be supported by adequate justification.
Source of SupplyFHZOklahoma City Air Logistics Center
Tinker AFB, OK 73145-5989
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesDDoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
1
EA : Each