Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Brand | Harbin |
| Series | 6300 Deep Groove Ball |
| Seal Type | ZZ (Metal) or RS (Rubber) |
| Material | GCr15 Chrome Steel |
| Precision Grade | P0 (ABEC-1) |
| Cage Material | Steel Stamping |
| Lubrication | Pre-greased Standard |
| Clearance | C0 (Standard) |
| Operating Temperature | -20°C to 120°C |
| Country of Origin | China |
Anonymous
Mar 25, 2026
Rating: 5/5
Genuine Harbin quality
Verified the markings on the race. Good steel quality and consistent manufacturing tolerances across the batch.
Anonymous
Mar 22, 2026
Rating: 4/5
Standard specification
Works as expected for general machinery. Noise level is low and installation was straightforward.
Anonymous
Mar 17, 2026
Rating: 5/5
Fast shipping, well packaged
Needed these urgently for production line. Arrived quickly and packaging prevented any damage during transit.
Anonymous
Mar 15, 2026
Rating: 5/5
Perfect fit for motor repair
Ordered the 6308 ZZ for an electric motor rebuild. Dimensions were spot on and the bearing runs smoothly without excess noise.
Anonymous
Jan 29, 2026
Rating: 4/5
Good value industrial bearing
Using these for conveyor maintenance. They run smooth and seem durable. Price point is excellent for bulk orders.
Q: What is the bore size for the 6310 model?
A: The 6310 model has a 50mm bore diameter. Please check the specific model number for exact dimensions.
Q: Is the pre-applied grease high temperature resistant?
A: Standard grease handles up to 120°C. For higher temperature applications, please contact us for special lubrication options.
Q: Can I use these for axial loads?
A: They can handle some axial load but are primarily designed for radial loads. Do not exceed specified limits.
Q: What is the difference between ZZ and RS seals?
A: ZZ indicates metal shields on both sides, while RS indicates rubber contact seals. RS offers better dust and moisture protection.
Q: Are these genuine Harbin bearings?
A: Yes, all units are sourced directly from Harbin Bearing Co. and include original branding.
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