Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Brand	NMB Technologies
Model Number	624ZZ / R-1340HH
Inner Diameter	4 mm
Outer Diameter	13 mm
Width	5 mm
Material	Stainless Steel
Shield Type	Double Metal Shield (ZZ)
Precision Class	ABEC 5 / ISO Class 5
Country of Origin	Japan
Package Quantity	10 Pieces

5 reviews

Anonymous

Apr 18, 2026

Rating: 5/5

Excellent Precision

These bearings are incredibly smooth. Perfect for my custom reel build.

Anonymous

Apr 09, 2026

Rating: 5/5

Genuine NMB Quality

Authentic Japan-made bearings. Noticed less friction immediately.

Anonymous

Mar 27, 2026

Rating: 5/5

Fast Spool Action

Upgraded my wire cutter guides with these. Very happy with performance.

Anonymous

Feb 21, 2026

Rating: 5/5

Worth the Price

Cheaper options exist but these last much longer. Highly recommend.

Anonymous

Jan 30, 2026

Rating: 4/5

Good but Small

Great quality but make sure you measure twice. Tiny stuff.

5 FAQ

Q: Do I need to oil these before use?

A: They come pre-lubricated, but additional oil depends on use.

Q: What is the load rating?

A: Dynamic load is approx 1280N, static approx 500N.

Q: Will this fit a Daiwa Caldia?

A: Please check your specific model specs, but 624 is common.

Q: Are these sealed or shielded?

A: These are ZZ shielded, not rubber sealed.

Q: Is the material corrosion resistant?

A: Yes, stainless steel offers good corrosion resistance.

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