Sintered Bushing Roller Chain (UR/ URN)

Maintenance totally free chains employing sintered alloy bushings
Sintered bushing roller chain is maintenance-free chain ideal to a spot where lubrication is difficult. It uses bushings made of a sintered alloy which impregnates lubricating oil.
For that use that involves clean visual appeal, rustless sort (URN) is obtainable.
Encouraged uses
?Circumstances where lubrication is complicated or elongation of chain regularly occurs Remarks for use.
?Never 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 big impact is applied to a chain.
?Set the chain feeding pace at 150m/min. or lower.
チェーンの選択
As for sintered bushing roller chains, the inner plates are thicker as well as pins are longer than individuals of regular roller chains so as to compensate for that strength lowered through the use of sintered bushings.
For picking out an appropriate chain, refer to “Selection of Chains”. Make use of the tables of maximum kilowatt ratings for sintered bushing roller chains that cover low speed ranges.
For sintered bushing roller chains, “Low-speed selection” can’t be utilized because the “Maximum allowable load” within the dimension table considers only the chain tensile stress and neglects the bushing power.
接続バックリンクとオフセットバックリンク
For sintered bushing roller chain, R connecting back links are utilized for DID60 or smaller sized, and C connecting backlinks for DID80 or more substantial.
OJ can be made use of as offset backlinks. Please area an order the connecting backlinks and offset back links specifying the style for sintered bushing roller chain.
While in the tables of maximum kilowatt ratings, the strength in the connecting hyperlinks and offset hyperlinks are taken into account.
スプロケット
Standard sprockets may be applied for sintered bushing roller chains.