Product Details | DUPLEX BALL BEARING

3110-00-278-7162 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: B542RD4B, 3110-00-278-7162, 00-278-7162, 3110002787162, 002787162

Bearings | Bearings, Antifriction, Unmounted

Supply Group (FSG) NSN Assign. NIIN
31 01 JAN 1963 00-278-7162

Cross Reference | NSN 3110-00-278-7162

Part Number Cage Code Manufacturer
B542RD4B 38443 SKF USA INC DBA SKF AEROENGINE NORTH AMERICA

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Technical Data | NSN 3110-00-278-7162

Characteristic Specifications
MATERIAL STEEL BALL STEEL INNER RING STEEL OUTER RING PLASTIC PHENOLIC RETAINER
STANDARD TOLERANCE DESIGNATION ABEC NO.3
SURFACE FINISH GROUND
RETAINER FABRICATION METHOD MACHINED
LOAD DIRECTION RADIAL
INTERNAL CLEARANCE 0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL AND 0.0003 INCHES MINIMUM AXIAL AND 0.0006 INCHES MAXIMUM AXIAL
SPECIAL FEATURES PAIR OF BEARINGS,BACK TO BACK MTG; INNER RING RUNOUT 0.0005 IN. MAX; OUTER RING RUNOUT 0.0005 IN. MAX

Restrictions/Controls & Freight Information | NSN 3110-00-278-7162

Category Code Description
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.
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