Best Keenso Linear Bearings in 2026
Daisy
Last Updated: Feb 11, 2026
Daisy
Last Updated: Feb 11, 2026
* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ReliaBot | 8.12 | ✅ | ✅ | ✅ |
The material is carbon steel, which is very suitable for linear motion rod.
The surface has been chrome plated to enhance the hardness.
Chamfer on both ends, easier to install linear bearings and won't hurt fingers when installing it.
Diameter 8mm, tolerance -0.005mm to -0.03mm ( 7.995mm - 7.97mm)
Length 300mm, tolerance ± 0.5mm ( 299.5mm - 300.5mm )
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ReliaBot | 8.17 | ✅ | ✅ | ✅ |
The material is carbon steel, which is very suitable for linear motion rod.
The surface has been chrome plated to enhance the hardness.
Chamfer on both ends, easier to install linear bearings and won't hurt fingers when installing it.
Diameter 8mm, tolerance -0.005mm to -0.03mm ( 7.995mm - 7.97mm)
Length 400mm, tolerance ± 0.5mm ( 399.5mm - 400.5mm )
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ReliaBot | 8.22 | ✅ | ✅ | ✅ |
The material is carbon steel, which is very suitable for linear motion rod.
The surface has been chrome plated to enhance the hardness.
Chamfer on both ends, easier to install linear bearings and won't hurt fingers when installing it.
Diameter 8mm, tolerance -0.005mm to -0.03mm ( 7.995mm - 7.97mm)
Length 500mm, tolerance ± 0.5mm ( 499.5mm - 500.5mm )
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ReliaBot | 8.17 | ✅ | ✅ | ✅ |
Made from carbon steel (1045), rigid and wear-resistant
The surface has been Nickel Plated for anti-rust purpose, brighter than ordinary linear bearings
Both ends have seals, and internal retainer is made from synthetic resin, so do not use it at more than 80 degrees
Size: bore 8mm, OD 15mm ( tolerance 0 to -0.013mm ), length 45mm ( tolerance 0 to -0.3mm)
Inner diameter 8mm, tolerance 0 to -0.01mm, suitable for diameter 8mm linear motion shaft
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ReliaBot | 8.12 | ✅ | ✅ | ✅ |
The material is carbon steel, which is very suitable for linear motion rod.
The surface has been chrome plated to enhance the hardness.
Chamfer on both ends, easier to install linear bearings and won't hurt fingers when installing it.
Diameter 8mm, tolerance -0.005mm to -0.03mm ( 7.995mm - 7.97mm)
Length 362mm, tolerance ± 0.5mm ( 361.5mm - 362.5mm )
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ReliaBot | 8.17 | ✅ | ✅ | ✅ |
Made from carbon steel (1045), rigid and wear-resistant
The surface has been Nickel Plated for anti-rust purpose, brighter than ordinary linear bearings
Both ends have seals, and internal retainer is made from synthetic resin, so do not use it at more than 80°C
Size: bore 8mm, OD 15mm ( tolerance 0 to -0.013mm ), length 45mm ( tolerance 0 to -0.3mm)
Inner diameter 8mm, tolerance 0 to -0.010mm, suitable for diameter 8mm linear motion shaft
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ReliaBot | 8.07 | ✅ | ✅ | ✅ |
Very suitable for 3D printer Z aixs, diameter 12mm linear motion shaft / rod
Length 57mm, inner diameter 12mm, outer diameter 21mm
Please use M4 nuts to fix this bearing to the machine
Material: carbon steel (1045), rigid and wear-resistant
The surface has been Nickel Plated for anti-rust purpose, brighter than ordinary linear bearings
| SELLER | SELLER SCORE | AMAZON FULFILLED | PRIME | FREE SHIPPING |
|---|---|---|---|---|
| ReliaBot | 8.02 | ✅ | ✅ | ✅ |
Very suitable for 3D printer or CNC machine diameter 8mm linear motion shaft / rod
Length 45mm, inner diameter 8mm, outer diameter 15mm
Please use M3 nuts to fix this bearing to the machine
Material: carbon steel (1045), rigid and wear-resistant
The surface has been Nickel Plated for anti-rust purpose, brighter than ordinary linear bearings
Here is the list of top-rated brands that were evaluated by PM.
| Brand | Count |
|---|---|
| Reliabot | 8 |
We've carried out a comprehensive analysis of 1,544 reviews on linear bearings, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select linear bearings priced around $12.60, with top brands including orangea, bestequip, n&n, hipicco, fushibearing, uxcell, generic and fkg and shutao
Our team of expert editors reviewed these high-quality items and handpicked the top 8 linear bearings for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the categories category. These include amazon.com, xiqi, hipicco, fushi bearing, uxcell, zhbring and fkg auto parts and shutao .
We are dedicated to assisting our users in finding the right bearings Products based on their needs, saving them considerable time when choosing which linear bearings to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.
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