Attributes

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)

5 reviews

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.

5 FAQ

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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