• Black Set of 8 ABEC 7 Skateboard Longboard 608 Bearings + Spacers - BR1QUFKJE
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  • Black Set of 8 ABEC 7 Skateboard Longboard 608 Bearings + Spacers - BR1QUFKJE
  • Black Set of 8 ABEC 7 Skateboard Longboard 608 Bearings + Spacers - BR1QUFKJE

Black Set of 8 ABEC 7 Skateboard Longboard 608 Bearings + Spacers - BR1QUFKJE

  • Product Code: BR1QUFKJE
  • Availability: In Stock
$63.22 $113.66

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  • The ABEC rating system includes grades 1,3,5,7, and 9. The higher the ABEC rating, the tighter the tolerances are, making the bearing a more precision part. High precision and small tolerances are required for bearings to function at very high RPM, in products like high speed routers that must spin at 20 to 30,000 RPM. In an application like this, an ABEC - 7 or 9 bearing rating may be appropriate.

  • However, a skateboard with 54mm wheels turning 20,000 RPM will be traveling about 127 MPH! Since virtually all skating is done under 30 MPH, the realistic maximum RPM your skate bearings will see is about 4700 RPM and probably 90% of skating occurs under 2000 RPM. Thus, very high precision is not required at skating speedsThe ABEC rating system includes grades 1,3,5,7, and 9.

  • The higher the ABEC rating, the tighter the tolerances are, making the bearing a more precision part. High precision and small tolerances are required for bearings to function at very high RPM, in products like high speed routers that must spin at 20 to 30,000 RPM. In an application like this, an ABEC - 7 or 9 bearing rating may be appropriate.

  • However, a skateboard with 54mm wheels turning 20,000 RPM will be traveling about 127 MPH! Since virtually all skating is done under 30 MPH, the realistic maximum RPM your skate bearings will see is about 4700 RPM and probably 90% of skating occurs under 2000 RPM. Thus, very high precision is not required at skating speeds.

    • Great Power Store’s Policy

    1. We service to all customers with our best and we expect that customer will receive best experience from us.
    2. We send high quality product without defect to customer and check all items before sending to customer.

    General Policy
    …Every product that we list in our store is always in stock and All of items was sent by various carrier to different country. We will send out within 2-3 business days. And it is going to arrive to customer within 7 – 25 business days upon on kind of items and destination country.

    …But if you don’t still receive item within 25 business days, you can contact to us all the time. We will follow up your items and you will get your item.

    Return Policy
    Within 10 days after you receive these item, you can return it to us. We accept all case about return request. And you pay for shipping cost return. After we receive your item, we will refund to you with full refund to you.

    Black Set of 8 ABEC 7 Skateboard Longboard 608 Bearings + Spacers - BR1QUFKJE

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