A
Anonymous
Mar 03, 2026
Rating: 5/5
Great replacement parts
Ordered the 6310 RS for my electric motor. Fit was precise and installation was easy.
Description
Tmall Quality Assurance: High Pressure Resistance, Wear Resistance, Smooth and Durable Operation
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Bearing Type | Deep-Groove Ball Bearing |
| Model Numbers | 6307, 6308, 6309, 6310, 6311, 6312 |
| Seal Type | ZZ (Metal Shield) or RS (Rubber Seal) |
| Material | High-Carbon Chrome Steel |
| Precision Class | ABEC-1 (ISO P0) |
| Cage Material | Stamped Steel |
| Dynamic Load Capacity | Varies by Model (See Specification Sheet) |
| Static Load Capacity | Varies by Model (See Specification Sheet) |
| Limiting Speed | Dependent on Lubrication and Seal Type |
| Package Contents | Individual Boxed Bearing |
5 reviews
A
Anonymous
Feb 24, 2026
Rating: 5/5
Exactly as described
The ZZ shields are sturdy. Good lubrication included from the factory.
A
Anonymous
Feb 14, 2026
Rating: 5/5
Excellent smoothness
The 6308 high-speed bearing works perfectly in my router. Very quiet operation.
A
Anonymous
Jan 29, 2026
Rating: 4/5
Good quality import
Solid build quality. Took a week to arrive but worth the wait for the price point.
A
Anonymous
Jan 26, 2026
Rating: 5/5
Reliable for industrial use
We use these for conveyor maintenance. No failures so far after 3 months of operation.
5 FAQ
Q: Are these bearings pre-lubricated?
A: Yes, all bearings come pre-lubricated with standard grease suitable for general applications.
Q: What is the difference between ZZ and RS seals?
A: ZZ uses metal shields for lower friction and higher speeds. RS uses rubber seals for better protection against dust and moisture.
Q: Is the 6308 suitable for high RPM applications?
A: Yes, the 6308 model in this collection is specifically rated for high-speed operations up to specified limits.
Q: Can I return if I order the wrong size?
A: Yes, unused bearings in original packaging can be returned within 30 days of purchase.
Q: Do you sell these in bulk packs?
A: Please contact our sales team directly for bulk pricing on orders over 50 units.
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