3110-01-131-2987 BEARING,BALL,ANNULAR Index 3110-01-131-2989 BEARING,ROLLER,NEEDLE

National Stock Number:
3110-01-131-2988

Federal Supply Class:
3110

National Item Identification Number:
011312988

Description:
BEARING,BALL,ANNULAR

Detail:
A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see BEARING, BALL, DUPLEX. Excludes BEARING, BALL, AIRFRAME.


Manufacturer Information:
10107497A486GNIMIKKEISTOKESKUS NCB FINLAND
437SA12817472EATON AEROSPACE LLC
437SA12840920MPB CORP
S518C3P25LY19640920MPB CORP
437SA12850294NEW HAMPSHIRE BALL BEARINGS INC
437SA12872121EATON MOTOR SITE
SSRI-518HA1P25LG5450294NEW HAMPSHIRE BALL BEARINGS INC
SR2-53K25/23583086NEW HAMPSHIRE BALL BEARINGS INC


Techincal Specification:
BORE DIAMETER0.1248 INCHES MINIMUM AND 0.1250 INCHES MAXIMUM
BORE SHAPESTRAIGHT
INTERNAL CLEARANCE0.0002 INCHES MINIMUM RADIAL AND 0.0005 INCHES MAXIMUM RADIAL
LOAD DIRECTIONRADIAL
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-23827 MIL SPEC SINGLE MATERIAL RESPONSE
LUBRICATION MATERIALGREASE
OVERALL OUTSIDE DIAMETER0.3123 INCHES MINIMUM AND 0.3125 INCHES MAXIMUM
OVERALL WIDTH0.1084 INCHES MINIMUM AND 0.1094 INCHES MAXIMUM
RETAINER FABRICATION METHODPRESSED
STANDARD TOLERANCE DESIGNATIONABEC NO.1
STYLE DESIGNATORNON-LOADING GROOVE, NON-SEPARABLE
SURFACE FINISHGROUND


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