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sbr20 aluminum linear bearing with uu design logo

SBR20 Aluminum Linear Bearing with UU Design Review

4

·

Average

Revainrating 3 out of 5  
Rating 
3.0
🔧 Linear Motion Products, 🔩 Power Transmission Products

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Description of SBR20 Aluminum Linear Bearing with UU Design

Cooperate with open linear bearing to ensure excellent sports performance. The external material :Aluminum Alloy. 100% Brand new and high quality. sports performance under high load or long stroke. Smooth moving,low friction,high performance and long life.

Reviews

Global ratings 4
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  • 4
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  • 2
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Type of review

Revainrating 4 out of 5

Value for money: Linear Motion Products

Looked for stainless steel bearings in these blocks but couldn't find any. So the price is low enough to replace them when they rust in a humid environment.

Pros
  • Sporty performance under heavy load or long stroke
Cons
  • Damaged

Revainrating 2 out of 5

Smaller Than Expected - Linear Motion Products

They are poorly made. The lack of precision gives that "two thumbs down". They slide worse on the SBR20 rail than on a standard linear bearing. Also, there are no stops on the block to prevent the inner cylinder from rotating. This could potentially block the linear movement and damage the rail if/when it rotates more than 10°.

Pros
  • Smooth Motion, Low Friction, High Performance and Long Life
Cons
  • There are more interesting options.

Revainrating 4 out of 5

Value for money linear ball bearings

Looking for SS bearings in these blocks but couldn't find any. Therefore, the price is low enough to change them after they rust in a humid environment.

Pros
  • Working with open linear bearing for great sporting performance
Cons
  • Unbelievable price

Revainrating 2 out of 5

Smaller than expected, the best linear ball bearings

They are poorly made. The lack of precision gives that "two thumbs down". They slide worse on the SBR20 rail than on a standard linear bearing. Also, there are no stops on the block to prevent the inner cylinder from rotating. This could potentially block the linear movement and damage the rail if/when it rotates more than 10°.

Pros
  • Smooth movement, low friction, high performance and long life
Cons
  • Some small things