Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Material Grade	304 & 440 Stainless Steel
Seal Type	Double Rubber Sealed (2RS)
Precision Rating	ABEC-1 Standard
Cage Material	Steel Retainer
Lubrication	Pre-lubricated with Grease
Inner Diameter Options	1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 15 mm
Corrosion Resistance	High (Waterproof)
Operating Temperature	-20°C to 120°C
Load Type	Radial and Axial
Package Content	10 Pieces per Pack

5 reviews

Anonymous

Apr 01, 2026

Rating: 4/5

Good value

Smooth operation but packaging was a bit crushed.

Anonymous

Mar 28, 2026

Rating: 5/5

Great for marine applications

Used these on my boat trailer. No rust after a full season.

Anonymous

Mar 25, 2026

Rating: 3/5

Okay but noisy

One bearing was slightly noisier than the others.

Anonymous

Feb 11, 2026

Rating: 5/5

Exact fit

The 5mm inner diameter fit my skateboard perfectly.

Anonymous

Feb 02, 2026

Rating: 5/5

Highly durable

Replaced plastic bearings with these. Much better longevity.

5 FAQ

Q: Do I need to add oil before use?

A: No, they come pre-lubricated and sealed for maintenance-free use.

Q: What is the difference between 304 and 440?

A: 304 offers better corrosion resistance, while 440 provides higher hardness.

Q: Are these suitable for high-speed motors?

A: They are rated for standard speeds, please check RPM specs for high-performance motors.

Q: Can these handle submerged water exposure?

A: Yes, they are designed to be waterproof and corrosion-resistant.

Q: What is the tolerance on the inner diameter?

A: Standard ISO tolerance levels apply for precise fitting.

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