NSN 3110-01-253-2187

Part Details | DUPLEX BALL BEARING

3110-01-253-2187 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.

Alternate Parts: 13534201, 3TAR46521, 3TAR46-52-1, T660, 26900541, 2690054-1, 3110-01-253-2187, 01-253-2187, 3110012532187, 012532187

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
31APR 14, 198701-253-218730213 ( BEARING, BALL, DUPLEX )
REFERENCE DRAWINGS & PICTURES

COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING

Cross Reference | NSN 3110-01-253-2187
Part Number Cage Code Manufacturer
135342016S483KAYDON CORPPLANT 2
3TAR46-52-140920MPB CORPORATIONDBA TIMKEN SUPER PRECISION
T66040920MPB CORPORATIONDBA TIMKEN SUPER PRECISION
2690054-196214RAYTHEON COMPANYDBA RAYTHEON
Technical Data | NSN 3110-01-253-2187
Characteristic Specifications
STYLE DESIGNATOR COUNTERBORED OUTER RINGS, NON-SEPARABLE, BACK TO BACK MOUNTING
OVERALL WIDTH0.3700 INCHES MINIMUM AND 0.3800 INCHES MAXIMUM
BORE DIAMETER2.8748 INCHES MINIMUM AND 2.8750 INCHES MAXIMUM
OVERALL OUTSIDE DIAMETER3.2498 INCHES MINIMUM AND 3.2500 INCHES MAXIMUM
LUBRICATION MATERIAL LUBRICANT, DRY FILM
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-21164 MIL SPEC SINGLE MATERIAL RESPONSE
STANDARD TOLERANCE DESIGNATION ABEC NO.5
SURFACE FINISH GROUND
LOAD DIRECTION RADIAL
BEARING PRELOAD RATINGASB0.5 POUNDS AND ASC10.0 POUNDS
CONTACT ANGLE25.0 DEGREES NOMINAL
END ITEM IDENTIFICATIONCOMBAT TALON II