luoyang longda bearing co.,ltd bearing is a specialized manufacturer of various cylindrical roller bearing,cylindrical roller bearings have exceptionally low friction torque characteristics that make them suitable for high speed operation. Pyc cylindrical roller bearing include: Single row cylindrical roller bearings Double row cylindrical roller bearings Four row cylindrical roller bearings cylindrical roller bearing features: 1) Excellent and high quality control 2) Prompt delivery 3) Competitive price 4) Small order accepted 5) Customers' drawing or samples accepted 6) Longer bearing, seals and coupling life 7) Less vibration and noise 8) Less energy consumption 9) Fewer unplanned stops、 10) Quality approvals If you have any need,please tell me.I will give you a prompt reply. Best regards Jack msn:zoufeisan@hotmail.com Louyang longda bearing co.,ltd