NSN 3120-00-490-1937

Part Details | LINEAR-ROTARY MOTION ROLLER

3120-00-490-1937 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: A60578, 3120-00-490-1937, 00-490-1937, 3120004901937, 004901937

Supply Group (FSG) NSN Assigned NIIN Item Name Code (INC)
31SEP 19, 196900-490-193728215 ( ROLLER, LINEAR-ROTARY MOTION )
REFERENCE DRAWINGS & PICTURES

PLAIN, PROTRUDING HUBS

Cross Reference | NSN 3120-00-490-1937
Part Number Cage Code Manufacturer
A6057810522WASHINGTON SCIENTIFIC INDUSTRIES INC
Technical Data | NSN 3120-00-490-1937
Characteristic Specifications
METALLIC HARDNESS RATING58.0 MINIMUM ROCKWELL C AND 62.0 MAXIMUM ROCKWELL C
CASEHARDENING INDICATOR NOT CASEHARDENED
STYLE DESIGNATOR PLAIN, PROTRUDING HUBS
OUTSIDE DIAMETER0.499 INCHES MINIMUM AND 0.500 INCHES MAXIMUM
BORE LENGTH0.228 INCHES NOMINAL
FACE WIDTH0.208 INCHES NOMINAL
BORE INSIDE DIAMETER0.249 INCHES NOMINAL
HUB DIAMETER0.344 INCHES NOMINAL
CHAMFER/RADIUS OF OUTSIDE CORNER0.031 IN BY 30 DEG CHAMFER
CHAMFER/RADIUS OF INSIDE CORNER0.030 IN BY 45 DEG CHAMFER