PEEK EP63™ - GGB - #1

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EP63™ Bearing Material EP63™ is a trademark of GGB. ©2010 GGB. All rights reserved. www.ggbearings.com 03-10 EP63™ Bearing Material Characteristics Applications • Injection moulded reinforced polyetheretherketone based and modified bearing material • High temperature material with low thermal expansion for demanding components • Optimesed for dry running conditions • High viscosity and mechanical strength • High wear resistance in oscillating movements • Good chemical and hydrolysis resistance • Colour: black General Generally applicable within the limits of the material properties Industrial Domestic appliances, valve technology, electronics assembly, agricultural machinery and many more Composition & Structure Operating Conditions Availability Injection moulded thermoplastic dry bearing material PEEK + PTFE + Aramid dry good Ex Stock • Cylindrical bushes and flanged bushes oiled good greased good To order • Non-standard parts water fair process fluid good after resistance testing Microsection Bearing Properties Unit Value Dry Maximum sliding speed v m/s 1.0 Maximum pv factor The pv Limit is depending on the heat dissipating surface to contact area ratio 1) AH/AC = 5 2) AH/AC = 10 3) AH/AC = 20 MPa x m/s 1) 0.16 2) 0.66 3) 2.63 Coefficient of friction f – 0.12 - 0.21 Grease lubrication Maximum sliding speed v m/s - Maximum pv factor MPa x m/s - Coefficient of friction f – - General Maximum temperature Tmax °C +290 Minimum temperature Tmin °C -100 Maximum load p static MPa 90 Shaft surface finish Ra ìm 0.3±0.2 Shaft hardness HV >200 Injection moulded thermoplastic dry bearing material with additives homogeneously mixed in