Sintered Bushing Roller Chain (UR/ URN)

Maintenance totally free chains utilizing sintered alloy bushings
Sintered bushing roller chain is maintenance-free chain appropriate to a area wherever lubrication is tough. It utilizes bushings produced of the sintered alloy which impregnates lubricating oil.
To the use that requires clean look, rustless type (URN) is available.
Advisable makes use of
?Situations where lubrication is complicated or elongation of chain commonly takes place Remarks for use.
?Don’t use this chain in dusty environments. In this kind of environments, use O-ring chains.
?This chain is to the use underneath light or medium load.Use O-ring chain when a significant effect is utilized to a chain.
?Set the chain feeding velocity at 150m/min. or lower.
Variety of chains
As for sintered bushing roller chains, the inner plates are thicker as well as the pins are longer than people of normal roller chains in order to compensate for the power lowered by the use of sintered bushings.
For picking out a suitable chain, refer to “Selection of Chains”. Make use of the tables of maximum kilowatt ratings for sintered bushing roller chains that cover low velocity ranges.
For sintered bushing roller chains, “Low-speed selection” can not be used 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 backlinks
For sintered bushing roller chain, R connecting back links are utilized for DID60 or smaller, and C connecting links for DID80 or more substantial.
OJ may be utilized as offset backlinks. Please place an purchase the connecting backlinks and offset backlinks specifying the form for sintered bushing roller chain.
During the tables of maximum kilowatt ratings, the power on the connecting backlinks and offset back links are taken under consideration.
Normal sprockets is often used for sintered bushing roller chains.


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