4,5mm BB bearing how to - SketchUp
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I Tried Making Some Berrings Using 4,5Mm Airgun Bb'S. I Included A Video Of How I Made The Bearing: Https://Youtu.Be/Ymc9Lt3Nthi It Works Pretty Well. For 4,5Mm Bb'S You Need To Make A 5Mm Channel. My First Try Was 4,7Mm And The Balls Are So Tight That It Is As Stiff As A Rock. I Know The Barrings From China Cost Less Than The Time I Put In, But This Seems Like A Quick Way To Make Costom Bearrings On The Fly. You Could For Example Make A Square Mounting Plate With An Integrated Custom Size Bearing.
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