Description
Reviews
| Brand | - |
| Category | Industrial Small Parts / Bearings & Bushings |
| Origin | - |
| Material | Stainless Steel 304/440 |
| Precision Grade | P5 (ABEC-5) |
| Brand | KIF |
| Seal Type | ZZ, 2RS, Open (Model Dependent) |
| Corrosion Resistance | High (Waterproof) |
| Cage Material | Steel or Nylon |
| Lubrication | Pre-lubricated Grease |
| Hardness | HRC 58-62 (440C) |
| Operating Temperature | -20°C to +120°C |
| Country of Origin | Imported |
Anonymous
Apr 22, 2026
Rating: 4/5
Solid bearings
Good value for stainless steel. Shipping was fast and the seller responded quickly to my sizing question.
Anonymous
Apr 19, 2026
Rating: 5/5
Perfect replacement
Fit my fishing reel perfectly. Very smooth operation and noticed less friction compared to my old carbon steel bearings.
Anonymous
Apr 01, 2026
Rating: 5/5
Great for marine use
Used these on my boat trailer hubs. No rust after a full season of saltwater exposure. Smooth rotation and easy installation.
Anonymous
Mar 09, 2026
Rating: 4/5
Good quality
Smooth rotation, slightly tight fit initially but broke in well after some use. Good value for stainless steel bearings.
Anonymous
Feb 15, 2026
Rating: 5/5
Exactly as described
KIF brand is reliable. Packaging was secure and all bearings were individually wrapped to prevent contamination.
Q: Can these handle high speeds?
A: Yes, the P5 precision grade supports moderate to high RPM applications typical for electric motors and spindles.
Q: What is the difference between ZZ and 2RS seals?
A: ZZ indicates metal shields on both sides, while 2RS indicates rubber contact seals. 2RS offers better waterproofing and dust protection.
Q: Is the inner ring magnetic?
A: 440 stainless steel is magnetic, while 304 is generally non-magnetic. Please check the specific model material composition.
Q: Are these suitable for food processing equipment?
A: Yes, 304 stainless steel is generally compatible with food grade applications, but please verify specific regulatory requirements for your machinery.
Q: Do I need to add more grease before installation?
A: They come pre-lubricated from the factory. Re-greasing depends on usage intensity and environmental conditions.
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