Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Brand | HRB |
| Model Number | 6310, 6311, 6312, 6313, 6314 |
| Bearing Type | Deep Groove Ball Bearing |
| Material | GCr15 Chrome Steel |
| Seal Type | 2Z (Metal) or 2RZ (Rubber) |
| Precision Class | P0 (ABEC-1) |
| Cage Type | Steel Cage |
| Clearance | C3 Normal |
| Country of Origin | China |
| Packaging | Individual Box Packaging |
Anonymous
Apr 03, 2026
Rating: 5/5
Industrial Grade
Using these in heavy machinery. No failures so far after 3 months of continuous operation. Highly recommend.
Anonymous
Mar 29, 2026
Rating: 5/5
Perfect Fit
Used the 6312 2RS for my electric motor. Runs quietly and smooth. Genuine HRB quality as expected from the flagship store.
Anonymous
Feb 20, 2026
Rating: 5/5
Great Support
Had questions about sizing. Support team helped me choose 6313. Product arrived exactly as described.
Anonymous
Jan 29, 2026
Rating: 5/5
Authentic Product
Verified the code on the HRB website. Genuine items from this store. Packaging was secure and undamaged.
Anonymous
Jan 19, 2026
Rating: 4/5
Good Quality
Solid construction. Shipping took a bit long but worth the wait. Bearings fit the shaft perfectly.
Q: Are these bearings pre-greased?
A: Yes, they come filled with standard lithium grease suitable for general industrial applications.
Q: Is there a warranty included?
A: Yes, all HRB bearings purchased from this flagship store come with a 12-month manufacturer warranty.
Q: What is the maximum RPM for 6310?
A: Approximately 7000 RPM for grease lubrication, but please refer to the specific datasheet for your load conditions.
Q: Which seal is better for dusty environments?
A: 2RZ rubber seals offer better protection against dust and moisture compared to 2Z metal shields.
Q: Can I return if the size is wrong?
A: Yes, please contact support within 7 days of receipt provided the item is unused and in original packaging.
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