Ball Bearings
Bearing series 
It’s been half a century since we developed the first plastic bearing in the industry. We are pleased to say that our bearings have been used by customers from a wide range of industries. To meet various demands, we provide various bearing materials, including POM (Polyacetal), PE(Polyethylene), PEEK (PolyEtherEther-Ketone), PVDF(Polyvinylidene fluoride), SUS(Stainless), and Ceramic for the following applications: Refrigerators, cabinets, copying machines, cash machines, registers, arcade machines, machine tools, etc.
With TOK’s over 75 years of expertise and proprietary experience in radial ball bearings, we can guarantee that we will fully meet your specific application with our products. TOK can provide the bearings' outer races in numerous configurations and can use both standard and custom-designed bearings to meet your requirements. We would be happy to take your concept and specifications to design and manufacture a customized bearing for your needs.
| TOK Series | Purpose/Material |
|---|---|
| D series | Standard Plastic Bearings (all POM), up to 20kg |
| I series | Heavy Duty Plastic Bearings (POM with Steel inner), up to 60kg |
| A series | All Steel Bearings (SUJ2, STKM, SWCH), up to 80kg |
| DT series | Steel Bearing with POM Outer race, up to 80kg |
| ER series | Special Needs: Anti-Static Bearings |
| PE series | Special Needs: Anti-Acid/Anti-Alkali Bearings |
| S series | Special Needs: All Stainless Bearings |
| PK/PV series | Special Needs: PEEK/PVDF Bearings |
| C series | Special Needs: All Ceramic Bearings |
| K series | Custom Desinged Bearings (varies material per request ) |
Product information
Plastic ball bearing featuring a polyacetal (POM) outer race and steel inner race. Its main applications are office furniture, furniture, vending machines, and refrigerators. There are 3 different types of D-Series Bearings, each serving different applications: Hole, Screw, and Riveting bearings. Also, there are 6 different types of outer housing shapes, which can be seen below. Dimensions range from φ9 to φ48, and load capacity ranges from 2kgf (4.40 lb) to 20kgf (44.0lb).
Featuring steel inserted inner races, this family of ball bearings was designed to carry medium-size loads. Typical applications include heavy-duty filing cabinets, professional office equipment, tool cabinets, and storage equipment where heavy drawers are subject to intense usage.
This TOK Steel bearing has a screw function, featuring SUJ2, STKM, and/or SWCH materials.
Our smoothest bearings are made with a steel inner race and POM outer race. These are used for any cabinet type drawers and support office equipment machines up to 80kg (176lbs)
We are completely equipped with bearings that can be used in special environments
• Chemical resistance: C, PE, and PK series
• Heat resistant: C and PK series
• Corrosion resistance: S series
• Anti-static: E series
Using the D-series as a foundation, the K-series was developed as a more precision focused version of the D-series. The K-series offers closer tolerances and better accuracy. The outer races can be custom designed for your application. The assembly can include timing pulleys, sprockets, and gears that may be required in sophisticated appliances such as copy machines, printers, and vending machines.
How to identify the model number (product name) of a plastic bearing
(2) Notes
-The number on the side of outer race is the patent number and no related
to the product name.
-Even though the shape of outer race is grooved, it may also have a "DR"
engraved mark on it. This is because DR series outer race is used and also
it is grooved the outer diameter.
If you want to know more details, please refer to the "BEARING Product Name Composition Table" in the general catalog.