Applications
1.3.2 Sealed Roller Chain Lube-free type: High-speed transmission, in dusty conditions
Application Example Sealed Roller Chain may be useful for general industrial applications that run at high speeds or in dusty conditions. (See Figure 1.9.)
Figure 1.9 Sealed Roller Chain
Construction and Features Sealed Roller Chains have O-ring seals between the pin link and the roller link plates. These seals keep the lubricant in and contaminants out. The inner width of the chain is the same as ANSI specifications. The total width of the chain is larger than the ANSI measurement because the bushings usually extend beyond the roller link plates to protect the O-rings. Sealed Roller Chains are available in sizes 40 through 100. The average tensile strength is slightly lower than ANSI Roller Chain.
Sprockets Standard sprockets are used for single strand chain.
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