R188 Ceramic Ball Bearing Hybrid Silicon Nitride Si3N4 High Speed 2 Pack
Product Description
R188 Ceramic Ball Bearing Hybrid Silicon Nitride Si3N4 High Speed 2 Pack
R188 Sealed Ball Bearings, this is a popular size that could be used in many application that uses this size 1/4" x 1/2" x 3/16" inch. Bearings are made of Chrome Steel, each bearing has 2 Rubber Seal to protect the bearing from dust or any possible contamination, also bearings are pre-lubricated with grease.
Technical Specifications
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