Nachi Bearing, Deep Groove Ball, 6004ZZEC3 - 20mm ID, 42mm OD, 12mm Width, Double Shielded, C3 Clearance

Nachi Bearing, Deep Groove Ball, 6204ZZEC3 - 20mm ID, 47mm OD, 14mm Width, Double Shielded, C3 Clearance

Nachi Bearing, Deep Groove Ball, 6304ZZEC3 - 20mm ID, 52mm OD, 15mm Width, Double Shielded, C3 Clearance