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The 6404-ZZ is a double metal-shielded deep groove ball bearing with 20 mm bore, 72
The 6404-2RS is a double rubber-sealed deep groove ball bearing measuring 20 mm bore, 72
The 6404 is an open single-row deep groove ball bearing with a 20 mm bore, 72 outside
The 6403-ZZ is a double metal-shielded deep groove ball bearing for applications
The 6403-2RS is a double rubber-sealed deep groove ball bearing designed to help retain
The 6403 deep groove ball bearing is an open-type, single-row radial designed for