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RK520SO

RK SO "O" RING CHAINS

All RK Sealed O-ring type chains feature heat treated hi-carbon alloy steel components with seamless rollers and shouldered bushings. All RK O-ring seals are made from an advanced Nitrile Butadiene composite for maximum performance and wearlife.

Also available in 420, 428, 525, 530 and 630 pitch.

RK520XSO

RK XSO "RX" RING CHAINS

RK’s “RX-ring” chains feature an X-ring shaped seal. Viewed in cross-section, the “X-ring” has two lubrication pools and seal points versus the single seal point/pool design of a regular o-ring chain. “RX-ring” technology offers less torsional friction, increased high-stress performance, and a 30% longer wear life compared to standard o-ring chains.

Also available in 428, 525 and 530 pitch.

RK520GXW

RK GXW "XW" RING CHAINS

The “XW-ring” is made of an advanced Nitrile Butadiene composite and features three contact lips and two convex outer stabilizers. This means three lubrication pools to protect against high speed abrasion, extreme heat build up, torsional flex and loss of lubricant. Nitrile Butadiene composite is oil and contaminant resistant, and the “XW” seal design is compression and distortion resistant to provide the ultimate in efficiency and performance with absolutely no o-ring drag. The “XW-ring” provides the user with a 50% longer wear life than basic o-ring chains.

Also available in 428, 525 and 530 pitch.

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