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Quick Details

  • Structure: Deep Groove
  • Type: Ball, Standard or U groove
  • Brand Name: IMI
  • Bore Size: 6.342 - 6.35 mm
  • Outside Diameter: 12.693 - 12.7 mm
  • Model Number: R188
  • Precision Rating: ABEC-5,7,9,11,13,15
  • Seals Type: SEALED
  • Number of Row: Single Row
  • Place of Origin: Zhejiang, China (Mainland)
  • Application: YoYo toys
  • Bearing Material: Gcr15 Steel
  • Inner Diameter: 6.35 mm
  • Outer Diameter: 12.7 mm
  • Width: 4.762 mm
  • Load Capacity: 300 KGS
  • Temperature Range To: 120°C
  • Temperature From: -20 °C
  • Colour: brighton or yellowed

Packaging & Delivery

Packaging Details Yoyo Bearings Packing:
Plastic Tube + Plastic bag + Paper carton + Poly Wooden Pallet
Delivery Time 20 days
 yoyo ball bearing Specification


 yoyo ball bearing Advantage

1. Very good quality for 3 years working life.

2. Low noise and high speed.

3. Complete product system.

 yoyo ball bearing Material

It have long been the industry standard for Yoyo enthusiasts the world over. These bearings have chrome steel races, balls, 

retainers and shields. 

Stainless Steel Yoyo Bearings
In an attempt to improve performance of these bearings,are specially designed for competitive yoyo enthusiasts. 

Competitive players sought out high ABEC bearings made of high grade materials such as stainless steel. 

The higher the ABEC rating, the lower the friction and smoother and faster roll. ABEC ratings are given in odd 

numbers only 1,3,5,7 and 9.

Ceramic ball yoyo bearings
Today, ceramic bearings are the hottest thing in yoyo technology. They are lighter, smoother, stiffer, harder, 

and corrosion resistant. These characteristics allow for a wide range of performance enhancements in bearings. 

Ceramic dissipates heat quickly, reducing friction and wear while maintaining a precision smooth surface. 

Today's leading edge ceramics are made with Silicon Nitride (Si3N4) and have characteristics similar to the heat absorbing, 

highly resilient tiles on the Space Shuttle.Yoyo Ceramic  Bearings are specially designed for competitive Yoyo enthusiasts.

Payment Terms

We accept L/C,D/P,D/A,T/T,Westunion,Paypal all payment types if you have enough good credit. We have credit insurace company as partner.

Packing Information

Plastic Tube + Plastic bag + Paper carton + Poly Wooden Pallet 

Why choose yoyo ball bearing from IMI Rollingtech

We supply and do OEM for some famous brand.  Now we choose to sell our own brand.

 yoyo miniature deep groove ball bearing Photo

Transaction History of the Supplier

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Transaction Overview


Transaction Details

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China (Mainland) | Trading Company
Transaction Level:
Supplier Assessments:
4 Transactions 1,000+
The supplier’s transactions conducted via Alibaba.com in the past 6 months.
The supplier supports Trade Assurance – A free service that protects your orders from payment to delivery.
Supplier's Trade Assurance Limit: US $143,000
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