Sintered Bushing Roller Chain (UR/ URN)

Servicing free chains utilizing sintered alloy bushings
Sintered bushing roller chain is maintenance-free chain suitable to a place in which lubrication is difficult. It makes use of bushings produced of a sintered alloy which impregnates lubricating oil.
For the use that calls for clean look, rustless kind (URN) is accessible.
Advisable utilizes
?Circumstances where lubrication is tricky or elongation of chain often takes place Remarks for use.
?Will not use this chain in dusty environments. In such environments, use O-ring chains.
?This chain is for that use under light or medium load.Use O-ring chain whenever a large effect is applied to a chain.
?Set the chain feeding speed at 150m/min. or lower.
Collection of chains
As for sintered bushing roller chains, the inner plates are thicker as well as the pins are longer than people of regular roller chains so as to compensate for that power lowered by the use of sintered bushings.
For choosing an appropriate chain, refer to “Selection of Chains”. Utilize the tables of maximum kilowatt ratings for sintered bushing roller chains that cover low speed ranges.
For sintered bushing roller chains, “Low-speed selection” are not able to be made use of since the “Maximum allowable load” from the dimension table considers only the chain tensile tension and neglects the bushing power.
Connecting back links and offset hyperlinks
For sintered bushing roller chain, R connecting backlinks are utilised for DID60 or smaller sized, and C connecting backlinks for DID80 or bigger.
OJ may be employed as offset back links. Please place an order the connecting hyperlinks and offset backlinks specifying the variety for sintered bushing roller chain.
Inside the tables of greatest kilowatt ratings, the strength of the connecting back links and offset hyperlinks are taken into consideration.
Sprockets
Conventional sprockets could be employed for sintered bushing roller chains.