Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Brand Name	Harbin Bearing Group
Material Composition	Chrome Steel GCr15
Seal Configuration	ZZ (Metal) or 2RS (Rubber)
Precision Grade	ABEC-1, ABEC-3, ABEC-5
Inner Diameter Options	1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 12mm
Outer Diameter Range	3mm to 28mm
Width Specifications	1mm to 8mm
Lubrication Type	Pre-greased (Lithium Based)
Cage Material	Steel or Nylon
Manufacturing Origin	Heilongjiang, China

5 reviews

Anonymous

Apr 14, 2026

Rating: 5/5

Precise Measurements

Caliper tested all sizes upon arrival. Tolerances are within spec for genuine Harbin products.

Anonymous

Mar 30, 2026

Rating: 5/5

Fast Shipping

Well packaged in individual plastic bags to prevent rust. Arrived quicker than expected.

Anonymous

Mar 27, 2026

Rating: 4/5

Good Value

Overall quality is high. One size felt slightly tight during installation but loosened up after use.

Anonymous

Mar 21, 2026

Rating: 5/5

Great for RC Cars

Smooth operation and perfect fit for my 1/10 scale chassis. The 5mm bore sizes were exactly what I needed.

Anonymous

Mar 13, 2026

Rating: 5/5

Industrial Quality

Using these in small electric motors for a project. No noise and minimal friction observed.

5 FAQ

Q: Can the pre-applied grease be removed easily?

A: Yes, the standard grease can be cleaned with a suitable solvent if you wish to apply different lubrication.

Q: What is the warranty period for these components?

A: We provide a 1-year warranty against manufacturing defects under normal operating conditions.

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

A: Maximum RPM varies by specific outer diameter and load. Please refer to the technical datasheet for the specific SKU.

Q: Are these bearings made of stainless steel?

A: This catalog lists Chrome Steel GCr15. We do offer stainless steel options in a separate listing.

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

A: Yes, please contact our sales department through the store interface for volume discount rates.

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