NMB DDLF-940ZZMTRA5P24LY121 Double Row Deep Groove Ball Bearing- Both Sides Shielded 4mm I.D, 9mm O.D

NMB metric and imperial bearings manufactured to ABEC 5. The bearings are suitable for use with precision instruments, chart recorders, etc. Manufactured from corrosion-resistant steel, the bearings are available in two designs: plain and flanged. The metric and imperial bearings incorporate double metallic protection shields, and the metric plain bearings are also available in Chromium Steel.