Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Brand	NSK
Model Series	623, 624, 625, 626, 627, 628, 629
Material	High Carbon Chrome Steel
Shield Type	Z, ZZ, D, DD, U, V, VV
Origin	Japan / Imported
Precision Class	ABEC-1
Cage Material	Pressed Steel
Lubrication	Pre-lubricated Grease
Inner Diameter Range	3mm to 9mm
Warranty	Manufacturer Warranty

5 reviews

Anonymous

Apr 10, 2026

Rating: 5/5

Fast Shipping

Arrived earlier than expected. Perfect fit for my 3D printer.

Anonymous

Apr 04, 2026

Rating: 5/5

Authentic NSK

Checked the laser marking. These are the real deal from the flagship store.

Anonymous

Mar 24, 2026

Rating: 5/5

Bulk Order Success

Ordered 50 units for workshop repair. All consistent quality.

Anonymous

Feb 24, 2026

Rating: 4/5

Good Quality

One seal was slightly tight but loosened up after use. Otherwise good.

Anonymous

Feb 12, 2026

Rating: 5/5

Great for RC Motors

Used these for my drone build. Smooth rotation and genuine packaging.

5 FAQ

Q: What is the difference between Z and ZZ?

A: Z has one metal shield, ZZ has two metal shields for better protection.

Q: Can I return opened packages?

A: Unopened items can be returned within 30 days. Opened industrial parts are final sale.

Q: Do you offer bulk discounts?

A: Please contact customer support for large quantity inquiries.

Q: Are these bearings genuine?

A: Yes, all products ship from the NSK Official Flagship Store.

Q: What is the maximum RPM for model 625?

A: It varies by lubrication, but typically supports high-speed applications up to 30,000 RPM.

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