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Home / Bearings & Bushings / Japan NSK Imported 607 High-Speed 608 Miniature 684 Mini 683 Bearings 694ZZ 624 688 698 MR52

Attributes

Brand -
Category Industrial Small Parts / Bearings & Bushings
Origin -
Brand NSK
Material High Carbon Chrome Steel (GCr15)
Country of Origin Japan
Seal Type ZZ (Metal Shield) or Open
Precision Class ABEC-5 (ISO P5)
Cage Material Steel Stamped
Lubrication Pre-lubricated with Premium Grease
Load Type Radial and Axial
Hardness HRC 60-62
Warranty 6 Months Manufacturer Warranty

5 reviews

A

Anonymous

Mar 13, 2026

Rating: 5/5

Smooth Operation

Installed these on my lathe spindle and the difference is night and day. Very smooth rotation with minimal noise. Genuine NSK quality.

A

Anonymous

Mar 11, 2026

Rating: 4/5

Good but pricey

Quality is top notch as expected from NSK. Only giving 4 stars because the price is a bit higher than local suppliers, but you get what you pay for.

A

Anonymous

Feb 24, 2026

Rating: 5/5

Perfect Fit

Ordered the 608 size for my skateboard wheels. Measured exactly to spec and fit perfectly without any forcing. Will buy again.

A

Anonymous

Feb 08, 2026

Rating: 3/5

Mixed Batch

Most of the bearings were great, but one felt slightly rough when spun by hand. Contacted support and they resolved it quickly.

A

Anonymous

Feb 02, 2026

Rating: 5/5

Genuine Product

I was worried about fakes but the packaging and engraving confirm these are authentic Japanese imports. Highly recommended for precision work.

5 FAQ

Q: Do these come pre-greased or do I need to add oil?

A: They come factory pre-lubricated with high-quality grease. You can add oil later if your specific application requires it.

Q: Do you ship to the United States?

A: Yes, we offer worldwide shipping including expedited options to the United States.

Q: What is the maximum RPM for the 608 model?

A: The max RPM varies by application and lubrication, but generally around 30,000 RPM for grease lubricated open types.

Q: Are these bearings authentic NSK products?

A: Yes, all our bearings are sourced directly from authorized NSK distributors in Japan.

Q: Is there a discount for bulk orders over 100 units?

A: Yes, please contact our sales team directly for a custom quote on bulk purchases.

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