Attributes

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

5 reviews

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.

5 FAQ

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.

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