Anonymous
Apr 07, 2026
Rating: 5/5
Smooth Operation
Used these for my drone motors and they spin incredibly smoothly. No noise at all during high RPM tests.
Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material | Chrome Steel (GCr15) |
| Seal Type | ZZ (Metal Shield on Both Sides) |
| Precision Rating | ABEC-1 / ISO Class 6 |
| Lubrication | Pre-lubricated with Grease |
| Cage Material | Steel |
| Inner Diameter | 2mm to 8mm (Varies by Model) |
| Outer Diameter | 5mm to 19mm (Varies by Model) |
| Width | 2.5mm to 5mm (Varies by Model) |
| Operating Temperature | -20°C to +120°C |
| Package Quantity | 10 Pieces per Pack |
Anonymous
Apr 07, 2026
Rating: 5/5
Smooth Operation
Used these for my drone motors and they spin incredibly smoothly. No noise at all during high RPM tests.
Anonymous
Mar 30, 2026
Rating: 5/5
High Quality
Very quiet during operation. I use these for RC cars and they handle the speed very well.
Anonymous
Mar 27, 2026
Rating: 5/5
Fast Shipping
Arrived earlier than expected. Packaging was secure and all pieces were accounted for.
Anonymous
Mar 23, 2026
Rating: 5/5
Exact Fit
Replaced old bearings in my 3D printer. The dimensions were precise and installation was straightforward.
Anonymous
Feb 09, 2026
Rating: 4/5
Good Value
Work well for the price. One bearing was slightly stiff out of the box but loosened up after use.
Q: Are these corrosion resistant?
A: They are made of Chrome Steel, not stainless steel, so they should be kept in dry conditions to prevent rust.
Q: What is the load capacity?
A: Dynamic load varies by specific model number. Please refer to the technical sheet for the specific MR series you select.
Q: Is there a warranty?
A: Yes, we offer a 30-day return policy if the product is unused and in original packaging.
Q: Do you sell single pieces?
A: We sell them in packs of 10 to ensure safe shipping and better value for our customers.
Q: Can I wash these with solvent?
A: Yes, you can clean them with solvent, but you must re-lubricate them immediately after drying to prevent damage.