4 Bolt Flange

KMS Plastic 4 Bolt Flange Blocks are made from engineering grade glass filled PBT polyester and are completely interchangeable with conventional cast iron blocks. These maintenance free blocks have excellent mechanical strength, stiffness and dimensional stability, and never rust or corrode. 4 bolt flanged housings are used when the bearing mounting surface is perpendicular to a shaft axis. 4 bolt flanged ball bearing units have a square shape with 4 holes for mounting.

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