A
Anonymous
Apr 01, 2026
Rating: 5/5
Perfect for saltwater environment
Used these on my boat trailer hubs. No rust after a full season.
Description
Superior waterproof and acid/alkali resistance. Partner brand of Fortune 500 companies.
Reviews
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
A
Anonymous
Mar 16, 2026
Rating: 5/5
Exactly as described
Replaced standard bearings in my food processor motor. Very smooth.
A
Anonymous
Mar 14, 2026
Rating: 5/5
Highly recommend
Great corrosion resistance. Much better than chrome steel for wet conditions.
A
Anonymous
Mar 12, 2026
Rating: 3/5
Okay but noisy
They work fine for low speed applications but hum a bit at high RPM.
A
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.
![[M2-M20] Stainless Steel Spring Washer](https://www.gosteppe.com/cache/medium/product/16306/legacy-main-ef3d2dba3bde669d48e6cca2.webp)
