Attributes

Brand	-
Category	Industrial Small Parts / Bearings & Bushings
Origin	-
Material Composition	440C Stainless Steel (Inner/Outer/Rolls)
Cage Material	304 Stainless Steel
Seal Type	ZZ (Double Metal Shields)
Precision Rating	ABEC-1 (ISO Class 6)
Lubrication	Pre-lubricated with Food Grade Grease
Temperature Range	-20°C to +120°C
Brand Name	RYS
Country of Origin	China (Harbin)
Package Quantity	10 Pieces per Pack
Typical Applications	Fishing Reels, Food Machinery, Marine Equipment

5 reviews

Anonymous

Apr 01, 2026

Rating: 5/5

Perfect for saltwater environment

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

Anonymous

Mar 16, 2026

Rating: 5/5

Exactly as described

Replaced standard bearings in my food processor motor. Very smooth.

Anonymous

Mar 14, 2026

Rating: 5/5

Highly recommend

Great corrosion resistance. Much better than chrome steel for wet conditions.

Anonymous

Mar 12, 2026

Rating: 3/5

Okay but noisy

They work fine for low speed applications but hum a bit at high RPM.

Anonymous

Mar 08, 2026

Rating: 4/5

Good value

Quality seems solid. One bearing felt slightly stiff out of the box but loosened up.

5 FAQ

Q: Are these bearings sealed against water ingress?

A: The ZZ metal shields protect against dust and splashes, but they are not fully waterproof for submersion.

Q: What is the difference between 440 and 304 series?

A: 440 offers higher hardness and load capacity, while 304 offers better corrosion resistance in extreme chemical environments.

Q: Do you offer bulk discounts?

A: Yes, please contact our sales team for orders exceeding 100 packs.

Q: Is the grease safe for food contact?

A: Yes, we use food grade grease suitable for incidental contact in machinery.

Q: Can I use these for high-speed motors?

A: They are suitable for moderate speeds. For very high RPM, please consult our high-speed ceramic series.

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