Description
Reviews
| 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 |
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.
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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