Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Brand | HRB (Harbin) |
| Model Series | 6300 Series (6306-6311) |
| Material | Chrome Steel (GCr15) |
| Seal Type | ZZ (Metal) / 2RZ (Rubber) |
| Precision Grade | P0 (ABEC-1) |
| Cage Material | Steel Stamped Cage |
| Country of Origin | China |
| Lubrication | Pre-lubricated with Grease |
| Load Type | Radial and Moderate Axial |
| Package Content | 1 Piece per Individual Box |
Anonymous
Apr 09, 2026
Rating: 5/5
Smooth Operation No Noise
Installed on a conveyor belt system. Running for two months now without any noise or heat issues. Very satisfied with the durability.
Anonymous
Apr 03, 2026
Rating: 4/5
Solid Bearing for Heavy Duty Use
Using these in a high vibration environment. They hold up well but I recommend checking lubrication levels after extended use. Good value for money.
Anonymous
Mar 22, 2026
Rating: 4/5
Good Quality Industrial Parts
Seems authentic and well packaged. Took a bit longer to ship than expected but the product itself is solid. Would buy again for machinery maintenance.
Anonymous
Mar 20, 2026
Rating: 5/5
Fast Shipping and Well Packaged
Arrived quickly and the individual boxing prevents any damage during transit. The bearings look genuine with clear branding marks.
Anonymous
Mar 07, 2026
Rating: 5/5
Perfect Replacement for Motor Repair
Used these bearings to repair an industrial electric motor. The fit was exact and the rotation is very smooth. Authentic HRB quality as expected.
Q: Is this genuine HRB brand or a replica?
A: This is 100% authentic HRB Harbin bearing. We are an authorized distributor and all products come with original packaging.
Q: Can I order mixed sizes in one shipment?
A: Yes, you can add different model numbers to your cart. They will be shipped together if stock is available in the same warehouse.
Q: What is the internal clearance class for these bearings?
A: These bearings come with standard CN clearance unless otherwise specified in the product title.
Q: Are these pre-lubricated or do I need to add grease?
A: All bearings are pre-lubricated with standard industrial grease at the factory. They are ready for immediate installation.
Q: What is the warranty period for these industrial parts?
A: We offer a 1-year manufacturer warranty against defects. Please contact us if you encounter any quality issues.
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