Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Brand Name	Harbin
Bearing Type	Deep Groove Ball Bearing
Material	Chrome Steel GCr15
Precision Class	ABEC-5 / P5
Seal Type	ZZ (Metal Shielded)
Cage Material	Steel
Lubrication	Pre-greased
Inner Diameter Options	1, 2, 3, 4, 5, 7, 8, 9, 10, 12 mm
Package Quantity	10 Pieces per Lot
Common Applications	RC Models, Drones, Small Motors

5 reviews

Anonymous

Mar 11, 2026

Rating: 3/5

One defective

9 out of 10 were perfect, one had a rough spot when spinning.

Anonymous

Feb 21, 2026

Rating: 5/5

Genuine Product

Verified the Harbin logo. Works as expected for high speed applications.

Anonymous

Feb 14, 2026

Rating: 5/5

Smooth Operation

Used these for my FPV drone motors. Spin very freely and seem durable.

Anonymous

Feb 10, 2026

Rating: 4/5

Good but tight

Quality is good but fit was slightly tight on 3mm shaft. Still usable.

Anonymous

Feb 07, 2026

Rating: 5/5

Fast Delivery

Arrived quickly and well packaged in oil paper to prevent rust.

5 FAQ

Q: What is the dynamic load capacity?

A: Dynamic load ratings vary by size, please refer to the spec sheet for details.

Q: Are these bearings waterproof?

A: No, ZZ shields protect from dust and debris but are not sealed against liquids.

Q: Is this material stainless steel?

A: No, this is chrome steel which offers higher hardness and durability.

Q: What is the maximum RPM for the 5mm bearing?

A: It varies by load, but small bore sizes can generally handle up to 30,000 RPM.

Q: Do you have 6mm inner diameter available?

A: Not in this specific lot, please check our other listings for 6mm options.

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