Twin Pillow Block Linear Ball Bearing IPPW04G 1/4" Closed RST Open plain linear bearing with

Open plain linear bearing with an 8mm ISO metric compensated ID which has a 0

Inner Diameter (ID): 25mm

Closed plain linear bearing with a JIS 40mm ID

with a 5/8" compensated ID

Twin Pillow Block Linear Ball Bearing IPPW04G 1/4" Closed RST Open plain linear bearing withTwin Linear Ball Bearing Pillow Block, closed shell, with a 1 4" ID (inner diameter) bearing inside a housing made of aluminum alloy. Features a low coefficient of friction for smooth operation, a heat treated alloy steel shell for durability, a resin retainer polymer cage to reduce noise, and standard double seals at no extra cost. Twin Double size equal to two standard bearings mounted back to back Temperature Range: 4 +176F ( 20 +80C) Variant ID