... . :608 (it can option) 1.Bearing material:carbon,chrome,iron,ect 2.Type: 2RS ZZ ,Z ,RS,OPEN ... loads, even at high speeds.Theay are available for low noise and low vibration.Bearings with mental shields and rubber seals are pre ... Various seals and grease variants available for different operating conditions•Numerous clearance and tolerance classes available for different operating conditions•Series: 600, ...