Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Brand | HRB (Harbin) |
| Model Series | 6310, 6311, 6312, 6313, 6314 |
| Bearing Type | Deep Groove Ball Bearing |
| Precision Class | P5 |
| Seal Type | 2Z (Metal) / 2RZ (Rubber) |
| Material | Chrome Steel GCr15 |
| Cage Material | Stamped Steel |
| Country of Origin | China |
| Internal Clearance | C0 (Standard) |
| Warranty | 12 Months |
Anonymous
Apr 19, 2026
Rating: 5/5
Excellent Quality
Genuine HRB bearings. Smooth spin and well packaged. Used them for a motor repair and they fit perfectly.
Anonymous
Apr 05, 2026
Rating: 5/5
Industrial Grade
Using these in machinery at our workshop. No noise issues and they handle the load well.
Anonymous
Feb 20, 2026
Rating: 4/5
Good fit
Works well for my electric motor. Delivery was a bit slow but the product quality makes up for it.
Anonymous
Feb 19, 2026
Rating: 4/5
Solid Performance
Good value for money. Slightly tight at first but broke in nicely after some run time.
Anonymous
Feb 07, 2026
Rating: 5/5
Verified Genuine
Checked the code online. Authentic product from the flagship store. Very satisfied with the purchase.
Q: Can these handle high-speed applications?
A: The P5 precision class supports higher speeds than standard, but please consult the specific RPM limits for your load conditions.
Q: What are the dimensions for the 6312 model?
A: The 6312 bearing has a 60mm bore, 130mm outer diameter, and 31mm width.
Q: Are these bearings pre-lubricated?
A: Yes, all bearings come factory lubricated with standard grease suitable for general industrial applications.
Q: How can I verify authenticity?
A: Each box includes a verification code that can be checked on the official HRB website to confirm genuineness.
Q: What is the difference between 2Z and 2RZ seals?
A: 2Z indicates metal shields on both sides, while 2RZ indicates non-contact rubber seals on both sides for better dust protection.
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