Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Brand Name | HRB Harbin |
| Product Series | 6300, 6301, 6302, 6303, 6304, 6305 |
| Bearing Type | Deep Groove Ball Bearing |
| Seal Type Options | ZZ (Metal) or RZ (Rubber) |
| Ring Material | GCr15 Bearing Steel |
| Precision Grade | ABEC-1 / ISO P0 |
| Cage Design | Steel Stamped Cage |
| Lubrication Status | Pre-lubricated with Grease |
| Radial Clearance | Normal (C0) |
| Manufacturing Origin | China |
Anonymous
Apr 20, 2026
Rating: 5/5
Perfect for my motor
Replaced old bearings in my electric motor with these HRB 6302 ZZ. They fit perfectly and run very smoothly. No noise at all.
Anonymous
Mar 19, 2026
Rating: 4/5
Fast delivery
Item arrived well packaged in original boxes. One star off because I wished there was more grease included for maintenance.
Anonymous
Mar 08, 2026
Rating: 4/5
Good value
Works as expected for the price. Shipping took a bit longer than anticipated but the product quality is solid.
Anonymous
Mar 04, 2026
Rating: 5/5
Smooth operation
Very quiet running bearings. I used the 6305 model for a pulley system and it handles the load well.
Anonymous
Feb 06, 2026
Rating: 5/5
Genuine HRB
Authentic packaging and markings. I have used Harbin bearings before and these match the quality I remember.
Q: Can I wash these bearings before use?
A: Not recommended. They come pre-lubricated from the factory. Washing them will remove the grease and reduce their lifespan.
Q: What type of grease is used inside?
A: They are filled with standard lithium-based grease suitable for general industrial applications and moderate temperatures.
Q: Are these metric or imperial sizes?
A: These are standard metric dimensions. Please refer to the specific model number chart for exact inner and outer diameter measurements.
Q: What is the difference between ZZ and RZ seals?
A: ZZ uses metal shields on both sides which allow higher speeds, while RZ uses rubber contact seals which offer better protection against dust and moisture.
Q: Do you ship each bearing individually?
A: Yes, each bearing is packaged in its original HRB branded box to ensure protection during transit.
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