Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Material	Chrome Steel SAE 52100
Origin	Japan
Shield Type	Metal Shield (ZZ)
Precision Rating	ABEC-5
Lubrication	Pre-greased
Cage Material	Pressed Steel
Noise Level	Low Noise (Z1)
Max Speed	Up to 30,000 RPM
Hardness	HRC 60-65
Package	Individual Poly Bag

5 reviews

Anonymous

Apr 05, 2026

Rating: 5/5

High speed capable

Using these on my motor shafts. They handle the RPMs without overheating.

Anonymous

Apr 02, 2026

Rating: 5/5

Perfect for my drift car

These bearings fit perfectly in my 1/10 scale drift chassis. Smooth rotation and no play.

Anonymous

Mar 25, 2026

Rating: 5/5

Smooth and quiet

Very little friction. Great for applications where efficiency matters.

Anonymous

Mar 24, 2026

Rating: 4/5

Good quality but check size

Quality is excellent, Japanese standard. Just make sure you measure your bore correctly before ordering.

Anonymous

Feb 06, 2026

Rating: 5/5

Saved my motor

Replaced worn out bearings in a small DC motor. Runs like new again.

5 FAQ

Q: Can I use these for 3D printer fans?

A: Yes, many customers use these for cooling fans and small motor assemblies in 3D printers.

Q: Is the grease food safe?

A: No, the pre-applied grease is industrial grade. Not suitable for food processing machinery.

Q: Are these suitable for water exposure?

A: These are standard steel bearings. For water exposure, we recommend stainless steel variants.

Q: Do these come with rubber seals?

A: This listing is for Metal Shield (ZZ) versions. Rubber sealed versions are available separately.

Q: What is the exact tolerance on the 5mm bore?

A: The tolerance follows ISO standards for miniature bearings, typically 0 to -5 microns.

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