Welcome: Hebei BY-ROL Technology Co., Ltd.
  • Double-Grooved Non-Standard Miniature Bearings for Injection
  • Double-Grooved Non-Standard Miniature Bearings for Injection
  • Double-Grooved Non-Standard Miniature Bearings for Injection
  • Double-Grooved Non-Standard Miniature Bearings for Injection
Double-Grooved Non-Standard Miniature Bearings for Injection Double-Grooved Non-Standard Miniature Bearings for Injection Double-Grooved Non-Standard Miniature Bearings for Injection Double-Grooved Non-Standard Miniature Bearings for Injection

Double-Grooved Non-Standard Miniature Bearings for Injection

  • Advanced Equipment;
  • Most Competitive Price;
  • Fast and On-Time Delivery;
  • Welcome inquiry:
  • Email: sales@by-rol.com
  • Mobile/Wechat/Whatsapp: 0086-180 3279 4657
  • INQUIRY

BY-ROL Bearing/ Non-Standard Bearing for Plastic Roller Injection/ Sliding Window Roller/ Sliding Door Roller


China Bearing 608 with Two Cavaties Manufacturers: The double grooved/ slotted bearings are also called bearing with doule grooves/ slots/ cavaties/ canalties. It is fitted for plastic injection to make plastic rollers/ wheels. There are many manufacturer of such double-groove bearings, we are the one that can ensure good and stable quality.


1. Groove Depth: 0.5mm, this depth will make the plastic more well connected with the groove.
2. Outer Ring: Thickest ( this could make sure the outer ring won't be broken easily.
3. Grease: Transparent Mobil ( good quality grease will not go out of bearing during the plastic injection.)

4. Retainer: Metalic ( If by the plastic, it will not support the high temperature in the injection.)

5. Raceway Grinding: This make the bearing more durable.

6. Balls: Class 100; HRC 55.

7. Inner Ring and Outer Ring HRC: 55


Micro Bearing/ Miniature Bearing Series: Metric & Inch Series Miniature Ball Bearings
600 series: 603~609
620 series: 623~629
630 series: 634~639
670 series/MR series: 673~678 / MR63~MR148
680 series: 683~689
690 series: 693~699

Non-Standard Bearing 608, Plastic Bearing Roller -5.jpg

For more bearing inquiries, welcome to contact us.

Sales Department:

Email: sales@by-rol.com, lisencho@gmail.com

Mobile/Wechat/Whatsapp: 0086-18032794657

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