1)thin wall groove ball bearings 2,low noise and low libration 3,High ... with one or two sides ruber seal RS,2RS 2)With one or two sides metal shieldsZ,ZZ ... C2, C3, C4Vibration & NoisyZ1,Z2,Z3 V1,V2,V3,V4Delivery dateDepend On Your QuantityPayment Term 130% T/T ... T against copy of B/LPayment Term 2100% L/C at sightserviceOEMPackingAccording to the buyer requests for packagingApplicationHome appliances, ...