A
Anonymous
Apr 21, 2026
Rating: 5/5
Industrial Grade
Using in a pump assembly. No heat buildup after continuous operation. Highly recommended.
Description
NSK Imported High-Speed Bearings 6300 6301 6302 6303 6304 6305 6306 6307 6308
Reviews
Attributes
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Brand | NSK |
| Model Series | 6300, 6301, 6302, 6303, 6304, 6305, 6306, 6307, 6308 |
| Bearing Type | Deep Groove Ball Bearing |
| Material | High-Carbon Chrome Steel |
| Precision Class | P0 (ABEC-1) |
| Seal Type | Options: Open, ZZ, 2RS |
| Cage Material | Pressed Steel |
| Country of Origin | Japan |
| Lubrication | Pre-lubricated with Grease |
| Warranty | 12 Months Manufacturer Warranty |
5 reviews
A
Anonymous
Apr 09, 2026
Rating: 5/5
Smooth Run
Very low noise operation. I use these for high-speed applications and they perform well.
A
Anonymous
Mar 06, 2026
Rating: 5/5
Excellent Quality
Genuine NSK bearings as described. Smooth rotation and perfect fit for my electric motor project.
A
Anonymous
Feb 27, 2026
Rating: 5/5
Fast Shipping
Well packaged and arrived quickly. The bearing quality is top notch for industrial use.
A
Anonymous
Feb 24, 2026
Rating: 4/5
Good Value
Works as expected for the price. Slight delay in shipping but the product is authentic.
5 FAQ
Q: What is the maximum RPM for the 6305 model?
A: The limiting speed varies by lubrication and load, but typically ranges around 13,000 RPM for open types.
Q: Are these bearings 100% authentic NSK?
A: Yes, all our bearings are sourced directly from authorized distributors and are genuine OEM products.
Q: What type of grease is used for pre-lubrication?
A: Standard lithium-based grease is used, suitable for temperatures ranging from -30 to +110 degrees Celsius.
Q: Can I choose between sealed and open bearings?
A: Yes, please select your preferred seal type (Open, ZZ, or 2RS) from the dropdown menu before ordering.
Q: What is the return policy if the size is wrong?
A: We accept returns within 30 days provided the item is unused and in original packaging.
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