10-Pack Ball Bearings R188ZZ 1/4" x 1/2" x 3/16"inch 10 pack 💡 What are U-groove bearings

💡 What are U-groove bearings used for in linear motion systems

Size: 9/16" x 1 3/8" x 7/16" inch

the NJ305 outer diameter is 62mm

Inner Diameter: 80mm

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10-Pack Ball Bearings R188ZZ 1/4" x 1/2" x 3/16"inch 10 pack 💡 What are U-groove bearingsPack of 10 R188ZZ Shielded Ball Bearings 1 4" ID 1 2" OD 3 16" Wide This set includes 10 R188ZZ deep groove ball bearings, perfect for projects requiring smooth motion in compact spaces. Each bearing is chrome steel with double metal shields to block dust and dirt, pre lubricated for ready to go performance in applications like yo yos, instruments, and small machinery. Type: Deep groove ball bearings Inside diameter: 1 4 inch Outside diameter: 1 2