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Compact hydraulic seal

Compact hydraulic seal

(OP)
Hi all,
I am looking for a low friction and very compact hydraulic seal for low speed shaft rotation. The shaft ID is 60mm, pressure is rather low (1MPa), fluid is synthetic grease. I found something already, that consists in a UHMW-PE ring, energized with an O-ring (Buna). Supplier is Trelleborg, PN TG5200600.
The ring is similar to that in the picture:

Dimensions are great (ID=60mm; OD=71mm; width=4mm), but pricing is quite high (1000$ minimum order).

Any idea where I could find similar seals from another supplier ? Or maybe you could suggest different solution ?

Thanks,

Ben

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