Different Type 2000-12000lbs Weight Standard Trailer Hitch Ball Ningbo EZ Machinery Co., Ltd. Base Info Description Pre:1 7/8 Stainless Steel Pillow Block Mounted Bearing Unit Ssucp210-30 Sucp210-30 Next:Yoke Cam Follower Track Roller Bearing Mcyrr-12 Natr12 Mcyrr12