Suma Precision Machinery

Features of Needle Roller Dowel Pin :

High Quality Graded Hardened Chrome Steel roller made from Chromium AISI 52100 steel. Hardened to 60-67 Rockwell Scale equivalent to 700-900 HV (Vickers Scale) and are hardened all the way through the roller.

These are the same hardened steel rollers used to manufacture needle roller bearing assemblies and have a high duty and life cycle. These hardened rollers are highly suited as replacements for bearing components, drive transmission parts, pivots, shafts etc.
Benefits:

Hardened and ground ( NRB )

Precision components ( G2 , G3 , G5 )

AISI 52100 Chrome Steel ( GCr15 )

60-67 Rockwell Hardness