Product Details | DUPLEX BALL BEARING

3110-00-156-6755 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: MRC7203DB, D54199PC349, D54-199PC349, D54214PC349, D54-214PC349, D54216PC349, D54-216PC349, D54248PC349, D54-248PC349, 31731PC33, 3173-1PC33, 31733PC33, 3173-3PC33, 7203DB, 7203DB1TX9, 7203WDBFS160, 7203WDBMILG3278, 20203DB, 2804493, 280449-3, 3110-00-156-6755, 00-156-6755, 3110001566755, 001566755

Bearings | Bearings, Antifriction, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 01 JAN 1963 00-156-6755

Drawings & Photos | NSN 3110-00-156-6755


Cross Reference | NSN 3110-00-156-6755

Part Number Cage Code Manufacturer
20203DB 24617 GENERAL MOTORS CORP
20203DB 43334 GENERAL MOTORS CORP DELCO MORAINE NDH DIV
20203DB 7X677 GENERAL MOTORS LLC DBA GENERAL MOTORS
280449-3 10001 NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT
3173-1PC33 33781 TUTHILL CORPORATION DBA TUTHILL VAC & BLOWER SYSTEMS
3173-1PC33 43491 GENERAL SIGNAL CORP
3173-3PC33 33781 TUTHILL CORPORATION DBA TUTHILL VAC & BLOWER SYSTEMS
3173-3PC33 43491 GENERAL SIGNAL CORP
7203DB 21335 TIMKEN COMPANY, THE DIV TIMKEN AEROSPACE
7203DB 33781 TUTHILL CORPORATION DBA TUTHILL VAC & BLOWER SYSTEMS
7203DB 43491 GENERAL SIGNAL CORP
7203DB1TX9 53035 NSK CORP BEARING DIV
7203WDBFS160 21335 TIMKEN COMPANY, THE DIV TIMKEN AEROSPACE
7203WDBMILG3278 21335 TIMKEN COMPANY, THE DIV TIMKEN AEROSPACE
D54-199PC349 33781 TUTHILL CORPORATION DBA TUTHILL VAC & BLOWER SYSTEMS
D54-199PC349 43491 GENERAL SIGNAL CORP
D54-214PC349 33781 TUTHILL CORPORATION DBA TUTHILL VAC & BLOWER SYSTEMS
D54-214PC349 43491 GENERAL SIGNAL CORP
D54-216PC349 33781 TUTHILL CORPORATION DBA TUTHILL VAC & BLOWER SYSTEMS
D54-216PC349 43491 GENERAL SIGNAL CORP
D54-248PC349 33781 TUTHILL CORPORATION DBA TUTHILL VAC & BLOWER SYSTEMS
D54-248PC349 43491 GENERAL SIGNAL CORP
MRC7203DB 33781 TUTHILL CORPORATION DBA TUTHILL VAC & BLOWER SYSTEMS
MRC7203DB 38443 SKF USA INC DBA SKF AEROENGINE NORTH AMERICA
MRC7203DB 43491 GENERAL SIGNAL CORP

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Technical Data | NSN 3110-00-156-6755

Characteristic Specifications
MATERIAL STEEL OVERALL
STYLE DESIGNATOR 92B COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
OVERALL WIDTH 24.0 MILLIMETERS NOMINAL
BORE DIAMETER 17.00 MILLIMETERS NOMINAL
OVERALL OUTSIDE DIAMETER 40.00 MILLIMETERS NOMINAL
STANDARD TOLERANCE DESIGNATION ABEC NO.1
SURFACE FINISH GROUND
RETAINER FABRICATION METHOD PRESSED
LOAD DIRECTION ANGULAR
BEARING PRELOAD DESIGNATION LIGHT

Restrictions/Controls & Freight Information | NSN 3110-00-156-6755

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 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 3110-00-156-6755

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
PR : Pair