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SER-55mm Bearing
NK28/30 inner diameter is 28mm the outer diameter is 37mm and width is 30mm
Made from tough chrome steel with a steel cage
✅ Pre-lubricated with grease for long life
38BVV07-30GCS Nachi Bearing
6904LU Ball Bearing - 20x37x9mm - Sealed 52c56 SER-55mm Bearing6904LU Sealed Ball Bearing 20mm x 37mm x 9mm Double Rubber Sealed for Clean, Smooth Performance The 6904LU is a deep groove radial ball bearing with rubber seals on both sides to guard against dirt, moisture, and debris. Built from high quality chrome steel and pre lubricated for smooth operation, its a reliable choice for electric motors, precision tools, and hobby grade machinery. Item: 6904 LU Ball Bearing Type: Deep Groove Ball Bearing Material:
