


FKS Alloy Steel Uniball Bearing
- Heavy-duty FKS alloy steel Uniball Bearing with 52100 precision ball
- 4130 chromoly race — heat-treated and precision-ground
- PTFE liner optional for lower friction and maintenance-free performance
- Inch & metric sizes available; standard range FKS3–FKS16
- Custom material and size options for OEM/ODM orders
Request a quote
Tell us what you need for this product. Our team will review your requirements and reply by email.
PRODUCT DETAILS
Product Description
Uniball Bearing–FKS Series
Our FKS Alloy Steel Uniball Bearings are engineered for strength, precision, and long service life in demanding applications. Featuring a 52100 bearing steel ball, precision ground, heat treated, and hard chrome plated, paired with a 4130 chromoly steel race that is heat treated and available with optional PTFE liner or zinc plating for enhanced durability.
Material Options: Heat treated alloy steel with heavy-duty performance
Ball: 52100 bearing steel, precision ground, heat treated, hard chrome plated
Race: 4130 chromoly steel, heat treated, PTFE liner optional, zinc plating optional
Sizes: Regular inch sizes from FKS3(T) to FKS16(T), with both inch and metric size availability
Custom Options: Material and size customization to fit unique applications
HOW WE WORK
Service Process
- 01
Select Product
Choose the product and confirm the specifications you need.
- 02
Confirm MOQ
Our team confirms the minimum order quantity and production details.
- 03
Send Inquiry
Share your quantity, application, and delivery requirements.
- 04
Send Drawing or Sample
Provide a drawing, sample, or measurements for review.
- 05
Start Customization
We confirm the requirements and begin the customization process.




