A
Anonymous
Apr 16, 2026
Rating: 5/5
Fast shipping
Bearings arrived quickly and work great in my 3D printer extruder assembly.
Description
Authorized Level-1 Agent of Harbin Bearing Group in Hangzhou, Original Factory
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Brand | Harbin (HRB) |
| Model Series | 619 Miniature Series |
| Bearing Type | Deep Groove Ball Bearing |
| Material | Chrome Steel GCr15 |
| Seal Type | Metal Shield (ZZ) |
| Precision Rating | P0 (ABEC-1) |
| Cage Material | Steel |
| Lubrication | Pre-greased |
| Application | Motors, Robotics, Drones |
| Package Quantity | 10 Pieces |
5 reviews
A
Anonymous
Feb 28, 2026
Rating: 5/5
Perfect for my drone build
Smooth spin and genuine HRB quality. Exactly what I needed for the motor shafts.
A
Anonymous
Feb 22, 2026
Rating: 5/5
High quality miniature bearings
These bearings fit perfectly in my RC car differential. No play and very quiet.
A
Anonymous
Feb 21, 2026
Rating: 5/5
Genuine HRB product
Checked the logo and engraving, definitely authentic. Great for precision instruments.
A
Anonymous
Feb 02, 2026
Rating: 4/5
Good value
Works well though packaging was slightly damaged during shipping. Bearings themselves are fine.
5 FAQ
Q: What are the dimensions for the 619/5 model?
A: The 619/5 has a 5mm bore, 13mm outer diameter, and 4mm width.
Q: How can I verify these are genuine HRB bearings?
A: Genuine HRB bearings feature precise laser engraving of the brand and model number on the shield.
Q: Are these sold individually or in packs?
A: This specific listing is for a pack of 10 pieces to ensure value for bulk projects.
Q: Does it come with oil or grease?
A: These bearings are pre-greased at the factory for longevity and low maintenance.
Q: Is this suitable for high RPM applications?
A: Yes, these are designed for high-speed operations typical in motors and drones.
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