2520-21-878-7119 ROLLER Index 2520-21-878-7120 BOLT

National Stock Number:
3120-21-878-7119

Federal Supply Class:
3120

National Item Identification Number:
218787119

Description:
ROLLER,LINEAR-ROTARY MOTION

Detail:
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.


Manufacturer Information:
1050103356161GENERAL DYNAMICS LAND SYSTEMS - CANADA CORPORATION
10501033 ZZ56161GENERAL DYNAMICS LAND SYSTEMS - CANADA CORPORATION
DIN1721016MNCR515526METRIC AND MULTISTANDARD COMPONENTS CORP
2401-7000.33S3002GENERAL DYNAMICS EUROPEAN LAND SYSTEMS - MOWAG GMBH
24017000-33S3002GENERAL DYNAMICS EUROPEAN LAND SYSTEMS - MOWAG GMBH


Techincal Specification:
FACE WIDTH9.9 MILLIMETERS NOMINAL
OUTSIDE DIAMETER25.11 MILLIMETERS NOMINAL
SPECIAL FEATURES58.0 MIN TO 62.0 MAX ROCKWELL C HARDNESS;OUTSIDE CORNERS 0.5 MM BY 45.0 DEG RADIUS
BORE INSIDE DIAMETER12.1 MILLIMETERS NOMINAL


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