Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Brand	HRB (Harbin)
Product Series	61900, 61901, 61902, 61903, 61904
Bearing Type	Deep Groove Ball Bearing
Material	GCr15 Chrome Steel
Seal Type	ZZ (Metal Shield) or 2RZ (Rubber Seal)
Precision Grade	P0 (ABEC-1)
Inner Diameter	10mm - 12mm (Model Dependent)
Outer Diameter	22mm - 28mm (Model Dependent)
Width	6mm - 8mm (Model Dependent)
Lubrication	Pre-lubricated with Grease

5 reviews

Anonymous

Apr 23, 2026

Rating: 4/5

Good but packaging weak

Bearings are fine but box was crushed. Product intact though.

Anonymous

Apr 11, 2026

Rating: 5/5

Smooth running

Low friction. Using in a hobby project. Very satisfied.

Anonymous

Mar 29, 2026

Rating: 5/5

Great Quality

Fits my motor perfectly. Very smooth rotation and no noise. Genuine HRB product.

Anonymous

Mar 28, 2026

Rating: 5/5

Exact replacement

Used for 61902 model. Dimensions matched perfectly. Fast shipping.

Anonymous

Feb 24, 2026

Rating: 4/5

Good value

Price is competitive. Delivery took a week. Product works well.

5 FAQ

Q: Can I mix sizes in one order?

A: Please place separate orders for different model numbers to ensure accurate shipping.

Q: Is this authentic HRB?

A: Yes, we are the official flagship store. All products come with authenticity guarantee.

Q: Are these sold individually?

A: Yes, the price listed is for a single bearing unit.

Q: Which seal is better for dust?

A: 2RZ rubber seals provide better protection against dust and moisture than ZZ metal shields.

Q: What is the load capacity?

A: Dynamic load varies by model. Please refer to the specific datasheet for 61900-61904 specs.

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