... HRB, C&U, ZKL, ZWZ, KG etc. Items Namepillow block bearing UCP311ModelUCPSize (d*D*B)55*120*34 mmWeight0.112 ... P6 P5 P4MaterialGcr15 or Carbon steelCage materialSteel or as customer's need etc.FeatureHigh quality, resistance to wear, dependable performance ... precision, high speed, low noise etc.Row NumberSingle row or double rowApplicationAuto, tractor, machine tool, electric machine, water pump, ...