3110-00-768-7227 BEARING,BALL,ANNULAR Index 3110-00-768-7232 BEARING,BALL,STACK

National Stock Number:
3110-00-768-7228

Federal Supply Class:
3110

National Item Identification Number:
007687228

Description:
BEARING,BALL,DUPLEX

Detail:
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.


Manufacturer Information:
SB1555-178286SIKORSKY AIRCRAFT CORPORATION
Y224PWI-10121335TIMKEN CO
Y224PWICRDBE716021335TIMKEN CO


Techincal Specification:
MATERIALSTEEL BALL
STEEL INNER RING
STEEL OUTER RING
PLASTIC RETAINER
RUBBER SYNTHETIC SEAL
STYLE DESIGNATORCOUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
OVERALL WIDTH1.4700 INCHES MINIMUM AND
1.5000 INCHES MAXIMUM
BORE DIAMETER14.0000 INCHES NOMINAL
OVERALL OUTSIDE DIAMETER15.5000 INCHES NOMINAL
LUBRICATION MATERIALGREASE
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-25537 MIL SPEC SINGLE MATERIAL RESPONSE
STANDARD TOLERANCE DESIGNATIONABEC NO.1
SURFACE FINISHGROUND
RETAINER FABRICATION METHODMACHINED
SEAL QUANTITY1
BEARING SEAL TYPECONTACT
LOAD DIRECTIONRADIAL
BEARING PRELOAD DESIGNATIONHEAVY
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE78286
MFR SOURCE CONTROLLING REFERENCESB1555-1


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