Machined Bronze - GGB - #1

Text version of the page

Machined Bronze Bearing Material ©2010 GGB. All rights reserved. www.ggbearings.com 03-10 Machined Bronze Bearing Material according to ISO 4379 Characteristics Applications • Conventional bearing material for lubricated applications in general engineering applications • Suitable for oil or grease lubrication Industrial Mechanical handling and lifting equipment, general and special engineering, agricultural equipment, textile machinery, automotive engineering, etc. Composition & Structure Operating Conditions Availability Bushes made of copper alloys dry not suitable Ex Stock • N/A To order • Cylindrical bushes, flanged bushes, special parts according to DIN ISO or customer design, special alloys available oiled good greased good water not suitable process fluid not suitable Microsection Bearing Properties Unit Value Dry Maximum sliding speed v m/s - Maximum pv factor MPa x m/s - Coefficient of friction f – - Grease lubrication Maximum sliding speed v m/s 2.5 Maximum pv factor MPa x m/s 2.8 Coefficient of friction f – 0.09-0.15 General Maximum temperature Tmax °C +140 Minimum temperature Tmin °C -40 Maximum load p static MPa 200 Maximum load p dynamic MPa 100 Shaft surface finish Ra ìm 0.2-0.8 Shaft hardness - normal HB >350 CuSn12