Type: Slewing Bearing Brand Name: PWELL Bore Size: 120 - 4000 mm Outside Diameter: 200 - 5000 mm Model Number: GR Feature: Cross Roller Gear Options: External Gear Only Seals Type: Rubber sealed Place of Origin: Henan China (Mainland) Meterial: 50Mn,42Mocr,or as customer s requirement BUY PWELL PARTS,GOOD CHOICES!