JF-720 bimetal bushing -CuPb24Sn4 Also supply other bushings, Fast delivery,Good quality,Competitive price bimetal bushing, JF-720 bi-metal bearingJF series bushing is made of duple layer composites:Quality low-carbon steel as base, and multi-times rolled porous copper alloy surface layer.Features:1. High fatigue and impact bearing capacity2. High loading capacity3. Lubricating grooves design4. ...