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Part Number

Part Number:
NSN:
NIIN:
Item Name:
ROLLER , LINEAR-ROTARY MOTION

Definition:

A CYLINDRICAL BODY HAVING A CENTRALLY LOCATED HOLE TO ACCOMMODATE A PIN OR SHAFT FOR ATTACHMENT TO A PUSH ROD GUIDE, YOKE, ROCKER ARM, TURNTABLE, OR RAIL. THE ITEM PROVIDES A ROLLING CONTACT WITH THE FACE OF A VALVE STEM, OR THE LOBES OF A CAM RING OR CAMSHAFT ON ENGINES, FUEL INJECTION PUMPS, LATCHES, TURNTABLES, PARALLEL BEARING SURFACES REQUIRING A ROLLER SUPPORT, AND THE LIKE. EXCLUDES BEARING, ROLLER, CYLINDRICAL; ROLLER, ELECTRICAL SWITCH; AND FRICTION BEARINGS. SEE ALSO CAM FOLLOWER, NEEDLE BEARING.

CAGE Information

Code Company
80064 NAVAL SHIP SYSTEMS COMMAND

Federal Supply Class

Title

BEARINGS, PLAIN, UNMOUNTED

Inclusions:

INCLUDES SLEEVE BEARINGS; SPLIT BEARINGS; WASHER TYPE BEARINGS; JEWEL BEARINGS.

Exclusions:

EXCLUDES ANTIFRICTION BEARINGS (FSC 3110); MOUNTED BEARINGS (FSC 3130).

Characteristics (Decoded)

MRC Requirements Statement Clear Text Reply
AQPL FACE WIDTH 0.312 INCHES MINIMUM AND 0.314 INCHES MAXIMUM
AQPL FACE WIDTH 0.312 INCHES MINIMUM AND 0.314 INCHES MAXIMUM
BQWD CHAMFER/RADIUS OF INSIDE CORNER 1/32 IN. BY 45 DEG
MATL MATERIAL STEEL
STYL STYLE DESIGNATOR PLAIN
AETC METALLIC HARDNESS RATING 13.0 MINIMUM ROCKWELL C AND 15.0 MAXIMUM ROCKWELL C
BQWC CHAMFER/RADIUS OF OUTSIDE CORNER 1/32 IN. BY 45 DEG
BCXD BORE INSIDE DIAMETER 0.499 INCHES MINIMUM AND 0.501 INCHES MAXIMUM
AASG CASEHARDENING INDICATOR NOT CASEHARDENED
ABKV OUTSIDE DIAMETER 1.249 INCHES MINIMUM AND 1.251 INCHES MAXIMUM

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