| ZZ | |||||||
| Pressed Steel Shield | Non-contact shield pressed into outer ring.Very little grease leakage and low ingress of contaminants. | ||||||
| ZZS | |||||||
| Steel Shield with Snap Ring | Non-contact shield retained in outer ring.Low ingress of contaminants.Mainly used for smaller or narrower bearings. | ||||||
| TTS | |||||||
| Teflon Seal with Snap Ring | Teflon seal reinforced with glass fibre is retained in outer ring by snap ring.Low ingress of contaminants.Mainly used for smaller or narrower bearings.Seal can flex to accommodate internal pressure changes. | ||||||
| 2RS | |||||||
| Contact Rubber Seal | Rubber seal fitted into outer ring.Light contact with inner ring,retains grease and prevents ingress of external contaminants. | ||||||
| 2RU | |||||||
| Non-Contact Rubber Seal | Non-contact rubber seal fitted into outer ring,still provides effective sealing. | ||||||
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