Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Brand	Harbin
Material	Chrome Steel (GCr15)
Seal Type	ZZ (Metal) / 2RS (Rubber)
Precision Class	ABEC-7 / P4
Cage Material	Steel Ribbon
Lubrication	Pre-greased
Country of Origin	China
Recommended Use	RC Models, Drones, Instruments
Load Type	Radial & Axial
Warranty	6 Months Manufacturer Warranty

5 reviews

Anonymous

Apr 07, 2026

Rating: 5/5

Excellent Precision

Used these for my drone motors and the performance is outstanding. Very smooth rotation with minimal friction.

Anonymous

Mar 24, 2026

Rating: 5/5

Reliable Brand

Harbin never disappoints. Consistent quality across all bore sizes I have purchased so far.

Anonymous

Mar 12, 2026

Rating: 4/5

Good Value

Work well for the price. The grease is a bit stiff initially but loosens up after a few minutes of run time.

Anonymous

Feb 13, 2026

Rating: 5/5

Perfect Fit

Ordered the 3mm bore size and it fit my shaft perfectly. No wobble at all. Great quality control.

Anonymous

Feb 03, 2026

Rating: 5/5

Fast Spinner

High RPM performance is great. I use these in my high-speed dental handpiece prototypes and they hold up well.

5 FAQ

Q: How long does shipping usually take?

A: Standard shipping typically takes 3-5 business days within the continental US. International shipping times vary by location.

Q: Can I return the item if the size is incorrect?

A: Yes, you may return unused items within 30 days of delivery for a full refund or exchange.

Q: What is the maximum RPM these bearings can handle?

A: The maximum RPM depends on the specific bore size, but most models in this range are rated for up to 30,000 RPM under optimal conditions.

Q: Do you offer bulk pricing for orders over 100 units?

A: Yes, we offer tiered discounts for bulk orders. Please contact our sales team directly for a custom quote.

Q: Are these bearings made of stainless steel?

A: No, these are manufactured from Chrome Steel (GCr15) for better hardness and load capacity. Stainless steel options are available separately.

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