10 Pack Miniature MR74-ZZ Steel Ball Bearings 4x7x2.5mm

  • $34.80
  • Save $52.00


The MR74 bearing is a multi-purpose miniature bearing widely used inprecision instruments, micro motor, remote control model. This 10 Pack is the industry standard for backyard bashers the world over!

The "ZZ" in the model numbermeans that the bearing has a shield on both sides. This is a non-removable and non-contact shield retained in the outer ring via crimping, or pressing. This type of shield cannot be removed once installed.

  • Inner Diameter (ID): 4mm
  • Outer Diameter (OD): 7mm
  • Thickness: 2.5mm
  • Quantity: 10 Ball Bearings
  • Bearing & Ball Material: 52100 Chrome Steel
  • Model Number: MR74zz
  • Brand Name: FUSHI
  • Coatings: Chrome Steel
  • Bearing Closure Type: ZZ
  • ABEC: 3
  • Structure: Ball
  • Interchange No: L-740ZZ
  • Dynamic Load Rating (Cr): 217 N
  • Static Load Rating(Cor): 86 N
  • MaxSpeed (Grease): 60 000 rpm
  • Max Speed (Oil): 67 000rpm
  • Weight: 0.33 g


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