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3D Printer 624-ZZ Bearing – Set of 10 Pieces


624-ZZ is one of the most common standardized ball bearing size used in 3D Printers. The 624 series is the original standard ball bearing. In the 624 series, the ball bearing typically consists of optional closures, inner race, outer race, balls, and ball retainer. The ZZ stands for double side closure.

Out of stock


The 624-ZZ is a 4mm ball bearing that is found in many applications such as 3D Printers. This ball bearing has two non-contact metal shields one on each side of the ball bearing. Furthermore, this 4mm ball bearing is high quality and can take electric motor demands if needed. Hence, this is a popular bearing for 3D printers, motor applications, and rolling parts.

3D Printer 624-ZZ Bearing Set of 10 Pieces Specifications

  • This set contains 10 pieces (Qty = 10)
  • Type: Deep groove ball bearing
  • Material: Chrome Steel
  • Lubrication: Oil
  • Closures: 2 Shield, can’t be removed and re-installed again
  • ID (inner diameter)/Bore: 4mm
  • OD (outer diameter): 13mm
  • Width/Height/thickness: 5mm