Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Brand | Harbin |
| Material | Chrome Steel (GCr15) |
| Seal Type | ZZ (Metal) / 2RS (Rubber) |
| Precision Class | ABEC-7 / P4 |
| Cage Material | Steel Ribbon |
| Lubrication | Pre-greased |
| Country of Origin | China |
| Recommended Use | RC Models, Drones, Instruments |
| Load Type | Radial & Axial |
| Warranty | 6 Months Manufacturer Warranty |
Anonymous
Apr 07, 2026
Rating: 5/5
Excellent Precision
Used these for my drone motors and the performance is outstanding. Very smooth rotation with minimal friction.
Anonymous
Mar 24, 2026
Rating: 5/5
Reliable Brand
Harbin never disappoints. Consistent quality across all bore sizes I have purchased so far.
Anonymous
Mar 12, 2026
Rating: 4/5
Good Value
Work well for the price. The grease is a bit stiff initially but loosens up after a few minutes of run time.
Anonymous
Feb 13, 2026
Rating: 5/5
Perfect Fit
Ordered the 3mm bore size and it fit my shaft perfectly. No wobble at all. Great quality control.
Anonymous
Feb 03, 2026
Rating: 5/5
Fast Spinner
High RPM performance is great. I use these in my high-speed dental handpiece prototypes and they hold up well.
Q: How long does shipping usually take?
A: Standard shipping typically takes 3-5 business days within the continental US. International shipping times vary by location.
Q: Can I return the item if the size is incorrect?
A: Yes, you may return unused items within 30 days of delivery for a full refund or exchange.
Q: What is the maximum RPM these bearings can handle?
A: The maximum RPM depends on the specific bore size, but most models in this range are rated for up to 30,000 RPM under optimal conditions.
Q: Do you offer bulk pricing for orders over 100 units?
A: Yes, we offer tiered discounts for bulk orders. Please contact our sales team directly for a custom quote.
Q: Are these bearings made of stainless steel?
A: No, these are manufactured from Chrome Steel (GCr15) for better hardness and load capacity. Stainless steel options are available separately.
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