PT ALVA CHAIN GLODOK EMAIL : ALVAPRIMA@CBN.NET.ID HITACHI SENQCIA ROLLER CHAIN Products - Hitachi Roller Chain Lubeless Chains (O-ring Chains) Loss of oil coverage between pins and bushes is one factor controlling the lifespan of chain. O-ring chains are equipped with O-rings to prevent this loss of oil coverage. Therefore, these chains are suitable for use in situations where it is difficult ... Super Roller Chains Hitachi Super Roller Chains are upgraded to a high degree over existing ANSI standard roller chains. Big improvement has been made in particular with fatigue strength and impact absorbing capacity Single And Multiple Chain On multiple-strand types, all center plates are slip fitted (clearance-fitted) unless otherwise specified Cottered Chain Cottered chain is assembled by staking the pin heads on one side of the chain and drilling a hole in the other end to accommodate a cotter pin. This type of chain is easily assembled and disassembled in the field Riveted Chain Riveted Chain is assembled by staking the pin heads on both sides of the chain