Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Material	Chrome Steel (GCr15)
Seal Type	ZZ (Metal Shield) / 2RS (Rubber Seal)
Precision Grade	ABEC-5
Cage Material	Steel
Lubrication	Low Noise Synthetic Grease
Hardness	HRC 60-65
Clearance Class	C0 (Standard)
Noise Level	Z1 Group
Package Quantity	10 Pieces per Pack
Recommended Use	RC Cars, Drones, DIY Tools

5 reviews

Anonymous

Apr 12, 2026

Rating: 5/5

Fast shipping

Arrived quickly and well packaged. Works as described for my miniature model project.

Anonymous

Apr 10, 2026

Rating: 4/5

Good value

Quality seems solid for the price. Shipping took a bit longer than expected but product is fine.

Anonymous

Mar 30, 2026

Rating: 5/5

Precision fit

Exactly what I needed for my 3D printer upgrade. Dimensions are accurate and consistent.

Anonymous

Mar 11, 2026

Rating: 3/5

Okay but noisy

They work but one of them was slightly louder than the others. Might just be bad luck.

Anonymous

Feb 21, 2026

Rating: 5/5

Great for RC builds

These bearings spin very smoothly and fit perfectly in my drone motors. No wobble at high speeds.

5 FAQ

Q: What is the maximum RPM for the 3mm size?

A: The 3mm bore size can typically handle up to 30,000 RPM depending on load.

Q: Are these compatible with standard 5mm shafts?

A: Yes, please select the 5mm bore diameter option from the variant list.

Q: Can I clean and re-lubricate these?

A: Yes, but please note that opening sealed bearings may affect precision and warranty.

Q: Do you offer bulk discounts?

A: Yes, please contact our sales team for orders exceeding 50 packs.

Q: Are these bearings rust proof?

A: They are Chrome Steel which has some resistance, but we recommend keeping them dry.

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