Tsubaki British Standard Chain

BS/DIN GT4 Winner


Since 1917 Tsubakimoto Chain Company has maintained a line-up of cutting-edge chain products with exceptional quality and performance that help end-users meet their power transmission and conveying requirements. Tsubaki is proud to introduce the 4th generation, enhanced BS/DIN European premium chain. The product is available in chain sizes from RF06B up to RS48B*. Simplex, duplex and triplex executions are at your disposal.
* RF06B curled bush; RS56B/RS72B on request


Tsubaki GT4 Winner is enhanced with the following advantages:

Lube Groove (LG) Bush
Tsubaki Lube Groove (LG) seamless bushes are precision components and perfectly cylindrical. Our special lube grooves hold 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.

Seamless Bush: Perfectly Cylindrical

The new Tsubaki BS/DIN series chain has a seamless bush with a very precise cylindrical profile and surface finishing resulting in better surface contact between the pin and bush, and improved lubricant retention.

Ring Coin: Increased Transmission Capacity
The Ring Coined connecting link allows the chain to be specified up to its full kW rating. The precision and strength achieved on these components is far beyond that of competitor's offerings. The typical standard slip-fit connecting link is usually much weaker than the other links. Tsubaki's Ring Coin technology has overcome that.

Easy dis-assembly
With Tsubaki's design of rivet head, the chain is easily dis-assembled with an additional benefit being that in the event of the chain being overloaded, the markings on the rivet head will identify pin rotation.

Tsubaki takes its environmental responsibility very seriously in its state-of-the-art production facilities. The new BS/DIN series chain contributes significantly to reducing CO2 emissions due to the strongly extended replacement frequency.

Constant Quality Level

In pursuit of outstanding quality, every Tsubaki chain is made of a special steel alloy, the specification of which has been developed by the Tsubaki Engineering Department, for selected steel mills to work with. Besides that, Tsubaki produces the GT4 Winner under highly controlled conditions in its advanced heat treatment facilities. This, in combination with the Tsubaki fatigue strength confirmation tests, ensures that our customers can always rely on a constant level of Tsubaki quality.

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