F68012RS Budget Rubber Sealed Flanged Thin Section Deep Groove Ball Bearing 12x21x5mm

Rubber Sealed Flanged Deep Groove Ball Bearings: Manufactured to the same principal sizes as standard bearings with rubber seals these have an additional flange to allow fitting into housings flush against the shoulder of the flange. They are often used on steel tracks as guides and supports. The seals serve to offer protection to prevent ingress of debris, moisture and dust whilst retaining the grease within the bearing
Benefits: Cost effective replacement bearing, Flanged design