Anonymous
Apr 07, 2026
Rating: 4/5
Solid performance
No noise after installation. Good value for the price point.
Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Brand | HRB (Harbin) |
| Model Series | 604, 605, 606, 607, 608, 609 |
| Material | Chrome Steel GCr15 |
| Seal Options | 2Z (Metal) / 2RZ (Rubber) |
| Precision Grade | P0 (ABEC-1) |
| Inner Diameter | 4mm to 9mm |
| Outer Diameter | 12mm to 24mm |
| Width | 4mm to 8mm |
| Cage Type | Steel Stampings |
| Origin | Harbin, China |
Anonymous
Apr 07, 2026
Rating: 4/5
Solid performance
No noise after installation. Good value for the price point.
Anonymous
Feb 25, 2026
Rating: 5/5
Fast replacement
Needed 606 2RS for a fan motor. Worked perfectly as a replacement.
Anonymous
Feb 08, 2026
Rating: 5/5
Genuine product
Verified the logo and markings. These are authentic Harbin bearings.
Anonymous
Feb 02, 2026
Rating: 5/5
Excellent for robotics
Used the 608 bearings for my robot joints. Very smooth and low friction.
Anonymous
Jan 31, 2026
Rating: 4/5
Good standard bearings
Quality is consistent with HRB standards. Packaging could be better.
Q: Is there a bulk discount available?
A: Please contact our sales team directly for orders over 100 units.
Q: Can I use 2Z instead of 2RZ?
A: 2Z offers less friction but less sealing. 2RZ is better for dusty environments.
Q: Do you ship internationally?
A: Yes, we ship to most countries via standard logistics partners.
Q: Are these bearings pre-lubricated?
A: Yes, all bearings come factory lubricated with standard grease.
Q: What is the max RPM for the 608 model?
A: Standard grease lubrication supports up to 28,000 RPM depending on load.