NSN 3120-01-127-4121

Part Details | LINEAR-ROTARY MOTION ROLLER

3120-01-127-4121 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.

Alternate Parts: MC15365, MC15365, 3120-01-127-4121, 01-127-4121, 3120011274121, 011274121

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
31FEB 27, 198201-127-412128215 ( ROLLER, LINEAR-ROTARY MOTION )
REFERENCE DRAWINGS & PICTURES

PLAIN

Cross Reference | NSN 3120-01-127-4121
Part Number Cage Code Manufacturer
MC1536576050EATON AEROSPACE LLCM C AEROSPACE DIV
MC1536599643EATON CORPORATIONDBA EATON AEROSPACE
Technical Data | NSN 3120-01-127-4121
Characteristic Specifications
METALLIC HARDNESS RATING82.0 MINIMUM ROCKWELL SUPERFICIAL 15-N AND 84.0 MAXIMUM ROCKWELL SUPERFICIAL 15-N
CASEHARDENING INDICATOR NOT CASEHARDENED
STYLE DESIGNATOR PLAIN
OUTSIDE DIAMETER0.677 INCHES MINIMUM AND 0.679 INCHES MAXIMUM
FACE WIDTH0.339 INCHES NOMINAL
BORE INSIDE DIAMETER0.2505 INCHES MINIMUM AND 0.2526 INCHES MAXIMUM