Anonymous
Apr 14, 2026
Rating: 5/5
Precise Measurements
Caliper tested all sizes upon arrival. Tolerances are within spec for genuine Harbin products.
Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Brand Name | Harbin Bearing Group |
| Material Composition | Chrome Steel GCr15 |
| Seal Configuration | ZZ (Metal) or 2RS (Rubber) |
| Precision Grade | ABEC-1, ABEC-3, ABEC-5 |
| Inner Diameter Options | 1mm, 2mm, 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 12mm |
| Outer Diameter Range | 3mm to 28mm |
| Width Specifications | 1mm to 8mm |
| Lubrication Type | Pre-greased (Lithium Based) |
| Cage Material | Steel or Nylon |
| Manufacturing Origin | Heilongjiang, China |
Anonymous
Apr 14, 2026
Rating: 5/5
Precise Measurements
Caliper tested all sizes upon arrival. Tolerances are within spec for genuine Harbin products.
Anonymous
Mar 30, 2026
Rating: 5/5
Fast Shipping
Well packaged in individual plastic bags to prevent rust. Arrived quicker than expected.
Anonymous
Mar 27, 2026
Rating: 4/5
Good Value
Overall quality is high. One size felt slightly tight during installation but loosened up after use.
Anonymous
Mar 21, 2026
Rating: 5/5
Great for RC Cars
Smooth operation and perfect fit for my 1/10 scale chassis. The 5mm bore sizes were exactly what I needed.
Anonymous
Mar 13, 2026
Rating: 5/5
Industrial Quality
Using these in small electric motors for a project. No noise and minimal friction observed.
Q: Can the pre-applied grease be removed easily?
A: Yes, the standard grease can be cleaned with a suitable solvent if you wish to apply different lubrication.
Q: What is the warranty period for these components?
A: We provide a 1-year warranty against manufacturing defects under normal operating conditions.
Q: What is the maximum RPM for the 3mm inner diameter size?
A: Maximum RPM varies by specific outer diameter and load. Please refer to the technical datasheet for the specific SKU.
Q: Are these bearings made of stainless steel?
A: This catalog lists Chrome Steel GCr15. We do offer stainless steel options in a separate listing.
Q: Do you offer bulk pricing for orders over 100 units?
A: Yes, please contact our sales department through the store interface for volume discount rates.