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the NKIS20 inner diameter is 20mm
5 22 23 18 20 50 190 78
5208ZZ Nachi Ball Bearing
Fits Rolf Prima Vigor Rear Hub/free HUB Bicycle
🟢 Sealed Design (2RS): Protects Against Contaminants & Extends Lifespan 🛡️
NBK Japan BRPSS-16-N Set Screw Type Ball Transfer Unit - Spring Plunger Function for Upward Facing Applications Inner Diameter - 195mm the NKIS20 inner diameter isBRPSS 16 N Set Screw Type Ball Transfer Unit with Spring Plunger Function for Upward Facing Applications BRPSS 16 N is a set screw type ball roller with spring plunger function. The internal spring receives loads evenly even when the load is unbalanced. It can also be used as a general spring plunger with ball for fixing and locating the workpiece. The smooth rotation of the ball reduces friction between the main ball and receiving side. It has a