Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Brand | NSK |
| Bearing Type | Deep Groove Ball Bearing |
| Series Range | 605, 606, 607, 608, 609, 624, 625, 626, 627, 628 |
| Material | High Carbon Chrome Steel |
| Seal Options | ZZ (Metal Shield) or DDU (Rubber Contact) |
| Precision Grade | ABEC-1 / ISO Class 0 |
| Lubrication | Pre-greased with Standard Grease |
| Cage Material | Pressed Steel |
| Country of Origin | Japan |
| Package Content | 1 x Miniature Bearing (Model Selected at Checkout) |
Anonymous
Mar 31, 2026
Rating: 5/5
Excellent Quality for CNC Projects
Genuine NSK bearings work perfectly in my spindle assembly. Very smooth operation at high RPMs with minimal heat generation.
Anonymous
Mar 20, 2026
Rating: 5/5
Smooth Running
Used these for a robotics project. The fit was precise and the rotation is incredibly smooth right out of the box.
Anonymous
Mar 17, 2026
Rating: 5/5
Fast Delivery
Arrived well packaged in anti-static wrapping. Verified authentic NSK markings on the bearing shield.
Anonymous
Mar 15, 2026
Rating: 5/5
Perfect Fit
Replaced old bearings in my electric motor. These 608ZZ models fit perfectly and reduced noise significantly.
Anonymous
Feb 07, 2026
Rating: 4/5
Good but Expensive
Quality is top notch as expected from NSK. Price is higher than generic brands but worth it for reliability.
Q: What is the difference between ZZ and DDU seals?
A: ZZ indicates metal shields on both sides which reduce friction, while DDU indicates rubber contact seals which offer better protection against dust and moisture.
Q: Are these bearings made of stainless steel?
A: No, these specific models are made from High Carbon Chrome Steel for maximum durability and load capacity.
Q: Can I use these bearings in outdoor applications?
A: For outdoor use, we recommend selecting the DDU rubber seal variant for better protection against environmental contaminants.
Q: What is the maximum RPM for the 608 model?
A: The limiting speed depends on lubrication and load, but standard grease allows for approximately 28,000 RPM under ideal conditions.
Q: Do you provide an invoice for business purchases?
A: Yes, a valid tax invoice is included with every shipment and can also be downloaded from your account order history.
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