R4 bearing is Precision Deep Groove Radial Miniature Ball Bearing Both Sides Open and pre-lubricated with Light Oil
Sizes: ID 1/4" x OD 5/8" x W 0.196" Inches
Match#: RI4, RI-4, R4C, R-4, S1K7, R8020X, DDRI-4, SSRI-4, R4 open
Used in: Fidget Spinner, Align Helicopter, Trex700, Jewelry, Hand Piece, Hobby, RC Helicopters, RC Planes, RC Trucks, RC Cars, Beam Ball Bearing
Sizes:
ID: 1/4" x OD: 5/8" x W: 0.196" Inches
Material:
Chrome Steel SAE-52100
Lubrications:
Light Oil
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