Closed Track Type Overhead Conveying System has bi-planar chain with semi-precision ball bearing and has compact layout possible due to bend radius of 305 mm. The Closed Track has heavy forged steel links and bi-planar blocks connected by high-tensile rivets and track manufactured from cold rolled steel. The Closed Track has enclosed track for debris free operation and has PLC controlled mist type lubrication system. The Closed Track Type Overhead Conveying System has maximum working temperature of 260 ° C.