Tsubaki has introduced GT4 Winner, a BS/DIN standard roller chain with several novel features. A 'Pre-Lubrication Lube Groove (LG) is provided. This is a seamless bush with grooves incorporated on the inner surface. The LG bush holds oil at the point of contact where the chain needs it most, providing an internal reservoir for lubricant. The result is a chain that lasts longer with lower maintenance costs over the lifetime of the chain. A seamless Bush with a very precise cylindrical profile and surface finish ensures better surface contact between the pin and bush, along with improved lubricant retention.
With Tsubaki’s design of rivet head the chain is easily disassembled with an additional benefit being that in the event of the chain being overloaded, the markings on the rivet head will identify pin rotation. A 'Ring Coined' connecting link allows the chain to be specified up to its full kW rating. The typical standard slip-fit connecting link is usually much weaker than the other links, but Tsubaki’s Ring Coin technology overcomes this problem.