Anonymous
Mar 30, 2026
Rating: 5/5
Official store trust
Buying directly from the flagship store ensures authenticity. I've had issues with fakes elsewhere, but these are definitely the real deal. Smooth operation under load.
Description
Reviews
| Brand | - |
| Category | Root / Hardware & Tools |
| Origin | - |
| Brand | HRB (Harbin Bearing) |
| Model Series | 6205, 6206, 6207, 6208, 6209 |
| Seal Type | ZZ (Metal Shield) or 2RZ (Rubber Seal) |
| Material | Chrome Steel (GCr15) |
| Precision Rating | P0 (ABEC-1) |
| Origin | Harbin, China |
| Application | Electric Motors, Gearboxes, Pulleys |
| Cage Material | Steel or Polyamide |
| Load Type | Radial and Moderate Axial |
| Warranty | 12 Months Manufacturer Warranty |
Anonymous
Mar 30, 2026
Rating: 5/5
Official store trust
Buying directly from the flagship store ensures authenticity. I've had issues with fakes elsewhere, but these are definitely the real deal. Smooth operation under load.
Anonymous
Mar 20, 2026
Rating: 5/5
Excellent value
Replaced the noisy bearings in my electric motor with the 6205 model. The noise is completely gone. Very happy with the performance and price point compared to imported brands.
Anonymous
Mar 14, 2026
Rating: 4/5
Good quality, standard specs
These are genuine HRB bearings. I use them for conveyor belt rollers. The rubber seals seem durable. Only giving 4 stars because packaging was a bit minimal, but the product itself is great.
Anonymous
Mar 11, 2026
Rating: 5/5
Perfect fit for my lathe
Ordered the 6207-2RZ bearings for a repair on my old lathe. They arrived quickly and fit perfectly without any modification. Smooth rotation right out of the box.
Anonymous
Mar 09, 2026
Rating: 5/5
Reliable industrial grade
We buy these in bulk for our workshop. Consistent quality every time. The metal shields on the ZZ models work well in dusty environments where we can't use rubber seals.
Anonymous
Mar 01, 2026
Rating: 4/5
Fast shipping
Needed specific sizes for a DIY project. The store had all sizes from 6205 to 6209 in stock. Shipping was faster than expected. Bearings feel solid and heavy.
Q: What is the shelf life of these bearings?
A: When stored in their original packaging in a cool, dry environment away from direct sunlight and vibration, HRB bearings have a shelf life of up to 5 years without degradation of the lubricant or materials.
Q: What is the difference between ZZ and 2RZ?
A: ZZ indicates metal shields on both sides, which offer good protection against large debris and high-temperature resistance. 2RZ indicates rubber contact seals on both sides, providing better protection against dust and moisture retention but with slightly higher friction.
Q: Are these bearings pre-lubricated?
A: Yes, all HRB bearings in this series come pre-lubricated with standard lithium-based grease suitable for general industrial applications and temperatures ranging from -20°C to +120°C.
Q: Do you provide dimensional drawings for these models?
A: Yes, detailed dimensional drawings including inner diameter, outer diameter, and width for all models (6205-6209) are available in the 'Downloads' section of the product page or upon request via customer service.
Q: Can I use the 6208 bearing for high-speed applications?
A: The P0 precision rating is suitable for standard speeds. For very high-speed applications (over 10,000 RPM), we recommend checking our P6 or P5 precision series which are designed for tighter tolerances and higher rotational stability.