Fibre-Reinforced Plastic Composite Materials GGB Materials GAR-MAX® - GGB - #1

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GAR-MAX® Bearing Material GAR-MAX® is a trademark of GGB. ©2009 GGB. All rights reserved. www.ggbearings.com 12-09 * Alternative shaft hardnesses and shaft surface finish is possible, depending on the application. Please contact your local GGB representative. GAR-MAX® Bearing Material Characteristics Applications • High load capacity • Excellent shock resistance • Excellent contamination resistance • Excellent misalignment resistance • Very good friction and wear properties • Good chemical resistance Industrial Steering linkages, hydraulic cylinder pivots, king pin bearings, boom lifts, scissor lifts, cranes, hoists, lift gates, backhoes, trenchers, skid steer loaders, front end loaders, etc. Composition & Structure Operating Conditions Availability Composite Material Sliding Layer Continuous wound PTFE and high-strength fibres encapsulated in an internally lubricated, high temperature filled epoxy resin Backing Continuous wound fiberglass encapsulated in a high temperature epoxy resin dry very good Ex Stock • Cylindrical standard bushes partly available To order • Non-standard lengths (short-term), nonstandard wall thickness (on request) oiled fair greased fair water fair process fluid poor Microsection Bearing Properties Unit Value Dry Maximum sliding speed v m/s 0.13 Maximum pv factor MPa x m/s 1.05 Coefficient of friction f – 0.05-0.30 Oil lubrication Maximum sliding speed v m/s - Maximum pv factor MPa x m/s - Coefficient of friction f – - General Maximum temperature Tmax °C +160 Minimum temperature Tmin °C -195 Maximum load p static MPa 210 Maximum load p dynamic MPa 140 Shaft surface finish Ra * ìm 0.15-0.40 Shaft hardness - normal HB >350 Shaft hardness - for longer service life HB >480 Sliding layer Backing