Twin Pillow Block Linear Ball Bearing IPPW20G 1.25" Closed RST but the TWN blocks are

but the TWN blocks are double sized as if they were two SPBs fused together

ISO Metric - Closed shell for 5mm diameter round shafts

you can order the matching 6mm wrench as part #6101227

5″ ID and a precision running clearance of 0

a resin retainer to reduce noise

Twin Pillow Block Linear Ball Bearing IPPW20G 1.25" Closed RST but the TWN blocks areTwin Linear Ball Bearing Pillow Block, closed shell, with a 1. 25" 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 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 Sizes: