10-Pack Sealed Bearings R2-5-2RS 1/8" x 5/16" x 9/64" Miniature Bearings Linear Bearing Motion System - 8mm the 6221NR inner diameter is

the 6221NR inner diameter is 105mm

Shaft Diameter: 3/4" inch

22213EXW33 Roller Bearing

NJ310MC3BNLS Cylindrical Roller Bearing - Nachi Japan

width is 20mm

10-Pack Sealed Bearings R2-5-2RS 1/8" x 5/16" x 9/64" Miniature Bearings Linear Bearing Motion System - 8mm the 6221NR inner diameter isR2 5 2RS Sealed Ball Bearings 1 8" x 5 16" x 9 64" inch Lot of 10 Bearings R2 5 2RS Sealed Ball Bearings, a standard bearing size with dimensions commonly used across many industries: 1 8" x 5 16" x 9 64". Made from high strength chrome steel for durability and performance, each bearing is rubber sealed from both sides to protect the bearing from dust or any possible contamination, additionally, these bearings come pre lubricated with grease for