WD specializes in manufacturing more than 2000 sizes and specifications with bore diameter of 90mm~3500mm of deep groove ball bearings;single,double,four rows cylindrical roller bearings;single,double,four rows taper roller bearings;angular contact ball bearings;spherical roller bearings;thrust ball bearings; thrust cylindrical roller bearings;taper roller thrust bearings;spherical roller thrust bearings;slewing bearings;thin-section bearings for robots and inch series bearings,etc. With customers' demands,we are able to research and manufacture various types and tolerance grades of large-size and extra large-size bearings,especially various specific application bearings,special constructions and non-standard bearings. Our products are widely used in the fields of metallurgy,mine,petroleum,machinery,electric power,paper-making,leather-making,and so on. Memo:◆ Large & extra-large size deep groove ball bearing ◆ Cylindrical roller bearing ◆ Spherical Self-aligning roller bearing ◆ Angular contact ball bearing ◆ Tapered roller bearing (single,double, four row) ◆ Thrust ball & thrust angular contact ball bearing ◆ Thrust cylindrical roller bearing ◆ Thrust tapered roller bearing ◆ Thrust self-aligning roller bearing ◆ Four point contact ball slewing bearing (slewing ring) ◆ Double row ball slewing bearing (slewing ring) ◆ Crossed roller slewing bearing (slewing ring) ◆ Three row roller slewing bearing (slewing ring) ◆ Non-standard bearing ( bores diameter ranges from Φ150 to Φ3500mm )