SUPERBLEND ROLLER BEARING, NJ306E (STANDARD CLEARANCE CLASSIFICATION)

SUPERBLEND ROLLER BEARING, NJ306E (STANDARD CLEARANCE CLASSIFICATION)

SUPERBLEND ROLLER BEARING STANDARD CLEARANCE
THIS BEARING IS A BLENDED ROLLER (SUPERBLEND) BRASS CAGED BEARING WITH A STANDARD CLASSIFICATION.  

SEE 064118C3 FOR C3 CLEARANCE.  
 
THESE BEARINGS ARE "SUPERBLENDS" ie BLENDED ROLLERS AND BRASS CAGED.  THE BRASS CAGE PROVIDES FOR BETTER CONTROL OF THE ROLLERS AT HIGH TEMPERATURE AND THE BLENDED ROLLERS ALLOW FOR A LITTLE CRANKSHAFT DEFLECTION.  WHEN NORTON INTRODUCED THE 750 COMBAT IN EARLY 1972 FEATURING HIGH COMPRESSION SPORTS CAMSHAFT, 32MM CARBS ETC...  THE RESULTANT POWER OUTPUT (CLAIMED 62H.P) CAUSED PREMATURE CRANKSHAFT BEARING FAILURE.  THESE BEARINGS WERE THE SOLUTION.

WEIGHT: 390G
USE ON: COMMANDO, TWINS