3120-21-913-6948 BEARING,WASHER,THRUST Index 3120-21-913-6956 ROLLER,LINEAR-ROTARY MOTION

National Stock Number:
3110-21-913-6953

Federal Supply Class:
3110

National Item Identification Number:
219136953

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:
1055633656161GENERAL DYNAMICS LAND SYSTEMS - CANADA CORPORATION


Techincal Specification:
MATERIALSTEEL BALL
MATERIALSTEEL INNER RING
MATERIALSTEEL OUTER RING
INNER RING WIDTH27.5 MILLIMETERS MINIMUM AND 28.5 MILLIMETERS MAXIMUM
OUTER RING WIDTH27.5 MILLIMETERS MINIMUM AND 28.5 MILLIMETERS MAXIMUM
OVERALL OUTSIDE DIAMETER732.0 MILLIMETERS MINIMUM AND 738.0 MILLIMETERS MAXIMUM
OVERALL WIDTH34.5 MILLIMETERS MINIMUM AND 35.5 MILLIMETERS MAXIMUM
SEAL QUANTITY2
SPECIAL FEATURESC/W REMOVEABLE GREASE FITTING;THREADS AND HOLE AND RACEWAYS TO BE FREE OF PROTECTIVE FINISH;SEVEN 12X M10X1.5 HOLES OUTER RING; SEVEN 12X M10X1.5 HOLES INNER RING; FOUR 16.0 MM MIN TO 16.3 MM MAX DIA MOUNTING HOLES, MOUNTING HOLES ARE COUNTERSUNK 17.5 MM MIN TO 18.5 MM MAX DIA BY 38.0 DEG TO 42.0 DEG MAX;LUB HOLE 3X 0.250-28 UNF 2A RH EQUALLY SPACED
STYLE DESIGNATORLOADING GROOVE, NON-SEPARABLE
SURFACE FINISHGROUND
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONIAW MIL-C-26074, CLASS 1, GRADE C ASSN STD SINGLE TREATMENT RESPONSE INNER RING
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONIAW MIL-C-26074, CLASS 1, GRADE C ASSN STD SINGLE TREATMENT RESPONSE OUTER RING
SURFACE TREATMENTNICKEL INNER RING
SURFACE TREATMENTNICKEL OUTER RING
ALIGNMENT TYPERIGID
BEARING SEAL TYPECONTACT
BORE DIAMETER606.0 MILLIMETERS MINIMUM AND 609.0 MILLIMETERS MAXIMUM
BORE SHAPESTRAIGHT
FEATURES PROVIDEDLUBRICATION HOLE
LOAD DIRECTIONRADIAL
LUBRICATION MATERIAL DOCUMENT AND CLASSIFICATIONMIL-G-10924 MIL SPEC SINGLE MATERIAL RESPONSE
LUBRICATION MATERIALGREASE
MATERIALRUBBER SYNTHETIC SEAL


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