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Dianrui

Dianrui 68 PCS 693ZZ/ 623ZZ/ 624ZZ/ 685ZZ/ 687ZZ/ 627ZZ Ball Bearings Assortment Kit, Small Bearings Carbon Steel Deep Groove Bearing, for Furniture Wheel, Roller Skates, 3D Printing and ect —6 Size

  • Based on 3 reviews
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Availability: Only 5 left in stock, order soon!
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Arrives Tuesday, Jun 2
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Features

  • Bearing number & size: 693ZZ(3mm x 8mm x 4mm)12pcs 623ZZ(3mm x 10mm x 4mm)12pcs 624ZZ(4mm x 13mm x 5mm)12pcs 685ZZ(5mm x 11mm x 5mm)12pcs 687ZZ(7mm x 14mm x 5mm)10pcs 627ZZ(7mm x 22mm x 7mm)10pcs
  • 6 kinds of common bearings, A box can meet your various needs in different scenarios.All bearings are stored in a plastic box for easy use and storage
  • Wide Application: These bearings are widely used in a variety of small machinery,including Electric Toys, Furniture wheels, skateboard wheels, inline skates, and so on
  • Material: High carbon steel, it has the characteristics of high speed operation, low noise, high temperature resistance and smooth rotation
  • Prelubrication: The bearings are coated with a small amount of lubricating oil, which will prolong the service life of the product and ensuring smooth operation and reducing the need for frequent maintenance

Description

Bearing number & size: 693ZZ(3mm x 8mm x 4mm)—12pcs 623ZZ(3mm x 10mm x 4mm)—12pcs 624ZZ(4mm x 13mm x 5mm)—12pcs 685ZZ(5mm x 11mm x 5mm)—12pcs 687ZZ(7mm x 14mm x 5mm)—10pcs 627ZZ(7mm x 22mm x 7mm)—10pcs

Brand: Dianrui


Material: Carbon Steel


Bearing Number: 693ZZ, 623ZZ, 624ZZ, 685ZZ, 687ZZ, 627ZZ


Item Thickness: 4 Millimeters


Bearing Type: Ball Bearing


Brand: ‎Dianrui


Material: ‎Carbon Steel


Bearing Number: ‎693ZZ, 623ZZ, 624ZZ, 685ZZ, 687ZZ, 627ZZ


Item Thickness: ‎4 Millimeters


Bearing Type: ‎Ball Bearing


Compatible Lubricant: ‎Oil


Manufacturer: ‎Dianrui


Package Dimensions: ‎5 x 3.66 x 0.75 inches


Item Weight: ‎8.8 ounces


Date First Available: ‎September 5, 2025


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Jun 2

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews

    • Not perfect, but affordable and convenient for DIY.
I ordered this set of bearings to use in various DIY projects and assorted homemade fixtures and jigs. They are not the best quality bearings, but they are significantly more affordable other options. They do seem worth the price ($13). The seals around the inner rings aren't tight. The larger sizes seem to be better quality than the smaller sizes. The smaller sizes have quite a bit of play and wiggle around the inner ring. The largest size is mostly tight. They all turn reasonably well. I would not expect these to last long in dusty / dirty conditions. ... show more
Reviewed in the United States on November 7, 2025 by Customer review
    • 68 steel ball bearings at a good price. The 20x 7mm I.D. bearings won’t be very useful.
This is a fairly comprehensive kit of ball bearings in various sizes. These are made from carbon steel and not from stainless steel, so, presumably, they may rust in damp or wet conditions. They appear to be well-made but are coated with a very sticky grease, which seems to glue the bearings together in the transparent, compartmentalized box they are supplied in. I cleaned up each bearing before use with IPA. The inner diameter varied between 3mm and 7mm. I will primarily use these for various mechanical projects that involve 3D printing and Arduino-type controllers. There are 68 bearings in this kit. 20 of these have an I.D. of 7mm, which are not going to be very useful to me. I understand that these are used in European roller skates – which I don’t have. I would have much preferred to see 6mm and/or 8mm I.D. bearings instead of these. Although I won’t be using a large number of these bearings, the price of about $13 seems reasonable for 68 bearings. ... show more
Reviewed in the United States on November 2, 2025 by Wombat37

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