ZK series

ZKシリーズの概要 | FYH株式会社 シリーズ特徴

FYH has reinvented the adaptor sleeve.

The new series is called ZK and utilizes a tapered bore UK insert with our original Z LOCK sleeve instead of a traditional adaptor sleeve.

ZKシリーズの特徴 | FYH株式会社 シリーズ特徴

It offers an easy installation for anyone.

ZK uses one key to tighten just two set screws by hand. ZK requires no torque charts and does not affect the inner clearance of the bearing at all.

Tighten the set screws by hand. Tightening the set screws creates extreme holding power over traditional adaptor sleeves without any change to the bearing clearance.

A traditional UK unit requires many tools to be assembled. You must tighten the lock nut using a torque wrench and following a torque tightening chart. Over tightening of the adaptor creates smaller clearance which can affect bearing life.

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