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Sintered Bushing Roller Chain (UR/ URN)

Maintenance cost-free chains employing sintered alloy bushings
Sintered bushing roller chain is maintenance-free chain appropriate to a area where lubrication is challenging. It makes use of bushings created of the sintered alloy which impregnates lubricating oil.
For the use that requires clean physical appearance, rustless form (URN) is available.
Advised employs
?Conditions the place lubrication is challenging or elongation of chain often occurs Remarks for use.
?Do not use this chain in dusty environments. In such environments, use O-ring chains.
?This chain is for the use under light or medium load.Use O-ring chain when a substantial impact is applied to a chain.
?Set the chain feeding pace at 150m/min. or reduce.
Choice of chains
As for sintered bushing roller chains, the inner plates are thicker and also the pins are longer than individuals of regular roller chains so as to compensate for that strength lowered by the utilization of sintered bushings.
For picking a suitable chain, refer to “Selection of Chains”. Make use of the tables of highest kilowatt ratings for sintered bushing roller chains that cover reduced pace ranges.
For sintered bushing roller chains, “Low-speed selection” cannot be used because 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 links are employed for DID60 or smaller sized, and C connecting hyperlinks for DID80 or bigger.
OJ may be utilised as offset backlinks. Please area an purchase the connecting back links and offset back links specifying the style for sintered bushing roller chain.
In the tables of optimum kilowatt ratings, the strength of your connecting back links and offset links are taken into consideration.
Standard sprockets is often used for sintered bushing roller chains.

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