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R166 ZZ Bearing, ID 3/16 inch x OD 3/8 inch x 1/8 inch Miniature Ball Bearing, Metal Shielded and Pre-Lubricated with Grease, 3/16 inch Precision Roller Bearing (10 Pack): Amazon.com: Industrial & Scientific
Amazon.com: 688RS Ball Bearing 8x16x5mm,ABEC-3 8x16x5 Orange Rubber Sealed Ball Bearings (Pick of 10pcs) : Toys & Games
Amazon.com: 688-2RS Ball Bearing 8x16x5mm,ABEC-3 8x16x5 Blue Rubber Sealed Ball Bearings (Pick of 10pcs) : Toys & Games