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Quick Details

  • Structure: Deep Groove
  • Type: Ball
  • Brand Name: FreeRun
  • Bore Size: 8 mm
  • Outside Diameter: 22 mm
  • Model Number: 608
  • Precision Rating: ABEC-1, ABEC-3, ABEC-5, ABEC-7
  • Seals Type: OPEN
  • Number of Row: Single Row
  • Place of Origin: Fujian, China (Mainland)
  • Bearing Material: Steel,420 Stainless steel, Si3N4, ZRO2
  • Balls Material: Si3N4 Balls, ZRO2 Balls
  • Retainer Material: Nylon/ PEEK/PTFE retainer
  • Lubrication: Dry
  • Vibration Level: V4,V3,V2,V1
  • Clearance Level: C0,C2,C3,C4
  • Noise Level: Z1, Z2, Z3, Z4
  • Application: finger hand spinner

Packaging & Delivery

Packaging Details 10 pcs in one plastic tube
Delivery Time it depends on the order quantity
Note:  we only make the bearings for hand spiners, we don't make the hand spiners!
Company Information

The FreeRun Bearing is a leader in 3D printed DIY EDC fidget finger innovation hand spinner toy bearing technolog. Reducing rolling resistance has been our hallmark. We offer a full line of standard, full ceramic & ceramic hybrid bearings specifically suited to hand spinner. Various ABEC tolerances, radial plays, retainer styles and seal/shield configurations are available.

Product Description


Hand Spinner Fidget 608 Ceramic Bearing

Stainless hybrid ceramic bearing is made of 420 stainless steel races+ Si3N4 ceramic balls + nylon retainer.

It has long life and high & long spin speed because of the good antirust performance of stainless steel races and the light weight of the Si3N4 ceramic balls.


High Speed Silicone Nitride (Si3N4) Hybrid Ceramic Bearing,Si3N4 is generally considered highest grade 
ceramic for these bearings, higher than Zirconium Oxide (ZrO2) and steel bearings

Hand spinner Si3N4 / ZRO2 full ceramic bearing 

is made of  Si3N4 / ZRO2 races+ Si3N4 / ZRO2 balls + PEEK/PTFE retainer + Open.

It has very long life and super high speed because of the good antirust performance and the light weight of the Si3N4/ ZRO2 material.


The full ceramic bearings are ultra smooth. 
High quality Ceramic bearings for the longest spin. Spins longer than stainless steel bearings. 
Each is hand cleaned for smooth operation and fastest spins. The ceramic bearings are tested to 
spin faster and longer .


Popular size:


Size: S608/C  

Details: 420 stainless steel races+ Si3N4 ceramic balls + nylon retainer+ open 

Dimension: ( ID) 8mm x (OD) 22mm x ( Width ) 7mm



Size: full ceramic bearing 608  

Details: Si3N4 / ZRO2 races+ Si3N4 / ZRO2 balls + PEEK/PTFE retainer + Open 

Dimension: ( ID) 8mm x (OD) 22mm x ( Width ) 7mm





1. Fitted into hand spinner: up to 3  Minutes Average Spin this depends on the power you use to spin.

2. Only bearing: up to 1  Minutes Average Spin .
3. It is silent so you won't be bothering anybody
4. High load
5. Long life


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China (Mainland) | Manufacturer, Trading Company
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1 Transactions 4,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
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Supplier's Trade Assurance Limit: US $106,000
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