Attributes

Brand	-
Category	Root / Industrial Small Parts
Origin	-
Material	Chrome Steel SAE 52100
Bore Diameter Range	1mm, 1.5mm, 2mm, 2.5mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm
Precision Class	ABEC-5
Seal Type	Open, Metal Shield (ZZ), or Rubber Seal (2RS)
Cage Material	Steel or Nylon
Lubrication	Pre-greased with High-Speed Oil
Maximum RPM	Up to 30,000 RPM
Package Quantity	10 Pieces per Pack
Recommended Use	RC Cars, Drones, Robotics, Precision Instruments
Weight	Ultra-lightweight per Unit

5 reviews

Anonymous

Apr 05, 2026

Rating: 4/5

Good value for money

Overall very good. One felt slightly tighter than the others but still functional.

Anonymous

Apr 01, 2026

Rating: 5/5

Great quality bearings

Fit my RC car perfectly. No wobble and they handle high speeds without overheating.

Anonymous

Mar 12, 2026

Rating: 5/5

Exactly as described

Fast shipping and good packaging. The bearings were well protected from dust.

Anonymous

Feb 07, 2026

Rating: 5/5

High speed performance

No noise at high RPM. Exactly what I needed for my precision spindle project.

Anonymous

Feb 05, 2026

Rating: 5/5

Perfect for my drone build

These bearings spin incredibly smooth. I used the 3mm size for my motor mounts and noticed less friction immediately.

5 FAQ

Q: What is the return policy if I order the wrong size?

A: You can return unused packs within 30 days for a full refund.

Q: Can I use these bearings for 3D printer wheels?

A: Yes, they are suitable for 3D printers depending on the bore size required.

Q: Are these ceramic or steel bearings?

A: These are made from high-grade Chrome Steel SAE 52100 for durability.

Q: What type of grease is used in pre-lubrication?

A: We use a standard lithium-based grease suitable for high-speed applications.

Q: Do you offer bulk pricing for larger orders?

A: Yes, please contact our sales team for quotes on orders over 50 packs.

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