Sintered Bushing Roller Chain (UR/ URN)

Maintenance free chains applying sintered alloy bushings
Sintered bushing roller chain is maintenance-free chain ideal to a area in which lubrication is tricky. It makes use of bushings manufactured of a sintered alloy which impregnates lubricating oil.
For the use that necessitates clean look, rustless form (URN) is accessible.
Suggested employs
?Conditions exactly where lubrication is complicated or elongation of chain commonly occurs Remarks for use.
?Do not use this chain in dusty environments. In this kind of environments, use O-ring chains.
?This chain is for the use underneath light or medium load.Use O-ring chain whenever a large effect is utilized to a chain.
?Set the chain feeding speed at 150m/min. or reduced.
Selection of chains
As for sintered bushing roller chains, the inner plates are thicker plus the pins are longer than people of normal roller chains so as to compensate for the power lowered by the use of sintered bushings.
For deciding on a suitable chain, refer to “Selection of Chains”. Make use of the tables of optimum kilowatt ratings for sintered bushing roller chains that cover reduced pace ranges.
For sintered bushing roller chains, “Low-speed selection” are unable to be utilized because the “Maximum allowable load” inside the dimension table considers only the chain tensile stress and neglects the bushing strength.
Connecting back links and offset hyperlinks
For sintered bushing roller chain, R connecting backlinks are used for DID60 or smaller sized, and C connecting backlinks for DID80 or more substantial.
OJ might be utilized as offset hyperlinks. Please location an purchase the connecting hyperlinks and offset back links specifying the type for sintered bushing roller chain.
In the tables of highest kilowatt ratings, the power of your connecting hyperlinks and offset hyperlinks are taken into consideration.
Sprockets
Regular sprockets is often used for sintered bushing roller chains.