Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Material	Chrome Steel (GCr15)
Country of Origin	Japan
Seal Type	ZZ (Metal Shield) or DDU (Rubber)
Precision Grade	ABEC-1 / ISO Class 6
Cage Material	Pressed Steel
Lubrication	Pre-lubricated with Grease
Inner Diameter	3mm to 9mm (Model Dependent)
Outer Diameter	10mm to 24mm (Model Dependent)
Width	4mm to 7mm (Model Dependent)
Package Quantity	10 Pieces per Pack

5 reviews

Anonymous

Mar 27, 2026

Rating: 5/5

Perfect for RC cars

High RPM performance is excellent. No heat buildup after long runs.

Anonymous

Mar 06, 2026

Rating: 4/5

Good but packaging could be better

Bearings are great, but one box was slightly dented during shipping. Product intact though.

Anonymous

Feb 25, 2026

Rating: 5/5

Reliable supplier

Ordered the 608 ZZ specifically. Consistent quality across all 10 pieces.

Anonymous

Feb 18, 2026

Rating: 5/5

Genuine quality

Definitely authentic Japanese quality. Fit perfectly in my skateboard wheels.

Anonymous

Feb 01, 2026

Rating: 5/5

Smooth operation

Used these for my 3D printer upgrade. Very smooth and quiet.

5 FAQ

Q: What is the difference between ZZ and DDU?

A: ZZ has metal shields for less friction, DDU has rubber seals for better dust protection.

Q: Can I mix sizes in one order?

A: Please select the specific size variant from the dropdown menu before ordering.

Q: Are these suitable for high RPM applications?

A: Yes, they are designed for high-speed rotational use.

Q: Do these come pre-lubricated?

A: Yes, they come factory lubricated with high-speed grease.

Q: Is there a warranty?

A: Yes, we offer a 30-day replacement guarantee for manufacturing defects.

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