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U624ZZ Groove Bearing Carbon Pulley Review

3

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Average

Revainrating 3.5 out of 5  
Rating 
3.4
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Description of U624ZZ Groove Bearing Carbon Pulley

HIGH QUALITY: These u type u-groove pulley roller guide wheel are made from high quality carbon steel for durability and have a long service life. DOUBLE SHIELDED: These mini ball bearings are double shielded to avoid contaminants entering and save lubricant. U GROOVE: Bearings have a 1.8mm deep U groove that generally ride on a rail or track. PERFECT FOR LINEAR SYSTEM: These are specialized bearings that are used in many linear motion systems. 10PCS/SET: There are 10 pieces bearings which you may use for many different projects, very good deal.

Reviews

Global ratings 3
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Type of review

Revainrating 1 out of 5

Terrible quality, avoid at all costs

These bearings are an absolute disappointment. They did not live up to my expectations and I would not trust them for anything industrial or scientific. .

Pros
  • Affordable pricing
Cons
  • Poor quality control

Revainrating 5 out of 5

Smooth and dependable bearing for efficient machinery

After trying this bearing I was impressed with its smoothness and durability.It can definitely handle the wear and tear of constant use and keeps my machinery running efficiently. The only downside is it may be a bit pricier than other bearings on the market, but it's worth the investment for the long-term benefits..

Pros
  • Durable and long-lasting due to the use of carbon material.
Cons
  • May wear out quickly under heavy loads.

Revainrating 5 out of 5

Great mini pulley, smooth and well built

Good quality pulleys and I am very happy with the product. Eight out of ten roll very smoothly and the other two are only slightly less smooth but probably still within tolerance. In general they are very good for the money. I'm particularly pleased with the center hole. I used to have pulleys where the wheel and bore were so thick that it was impossible to tighten them without restricting rotation. These wheels are thinner than the hole diameter, which allows me to clamp them without…

Pros
  • Easy to use
Cons
  • Quick start guide