Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Model Series	MR115, MR117, MR125, MR126, MR128, MR137, MR138, MR148, MR149ZZ
Material	High Carbon Chrome Steel (GCr15)
Shielding Type	Double Metal Shields (ZZ)
Precision Grade	ABEC-5 / ISO P0
Lubrication	Pre-lubricated with Light Oil
Cage Material	Steel Ribbon
Operating Temperature	-20°C to +120°C
Noise Level	Low Noise (Z2 Group)
Package Quantity	10 Pieces per Pack
Common Applications	Robotics, Drones, RC Vehicles, Small Motors

5 reviews

Anonymous

Apr 14, 2026

Rating: 5/5

Perfect for DIY Drones

These bearings are incredibly smooth. I used the MR128 series for my quadcopter motors and noticed less friction immediately. Great value for the price.

Anonymous

Mar 23, 2026

Rating: 5/5

Reliable Performance

Using these in a small robotics project. They handle the speed well and remain quiet after several hours of operation.

Anonymous

Mar 18, 2026

Rating: 4/5

Good but Tight Fit

Quality seems high and they spin well. However, the fit was slightly tighter than expected on my shaft. Might need a gentle press fit.

Anonymous

Feb 22, 2026

Rating: 5/5

Exact Specs

I measured them with calipers upon arrival. The dimensions matched the specification sheet perfectly. Very happy with the precision.

Anonymous

Jan 30, 2026

Rating: 5/5

Great Price

Cheaper than my local hobby shop and shipped faster. The packaging protected the bearings well during transit.

5 FAQ

Q: Can these handle high RPM applications?

A: Yes, these are rated for high speeds, typically up to 30,000 - 40,000 RPM depending on the specific load and lubrication conditions.

Q: What are the exact dimensions for the MR128 model?

A: The MR128 bearing has an inner diameter of 2mm, an outer diameter of 8mm, and a width of 2.5mm.

Q: Is the lubrication suitable for outdoor use?

A: The pre-applied light oil is suitable for general use. For harsh outdoor environments, we recommend re-greasing with waterproof lubricant.

Q: Are these bearings made of stainless steel?

A: No, these are manufactured from High Carbon Chrome Steel for durability. We do not currently offer a stainless steel variant for this series.

Q: Do you offer bulk discounts for large orders?

A: Yes, please contact our sales team directly through the store page for pricing on orders exceeding 50 packs.

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