SR156ZZ Stainless Steel Bearing 3/16" x 5/16" x 1/8" - Shielded Quantum Bearing NU218 width is 30mm

NU218 width is 30mm

NJ312 Roller Bearing

and other high-precision systems

the NU311 inner diameter is 55mm

SR156ZZ Stainless Steel Bearing 3/16" x 5/16" x 1/8" - Shielded Quantum Bearing NU218 width is 30mmSR156ZZ Stainless Steel Ball Bearing 3 16" x 5 16" x 1 8" Inch Double Shielded The SR156ZZ is a stainless steel ball bearing built for compact, high speed setups like tools, motors, and precision gear assemblies. It features double metal shields to block out dust and debris while keeping grease sealed inside ready for smooth performance right out of the package. Quantity: 1 Bearing Size: 3 16" inner x 5 16" outer x 1 8" width Material: Stainless steel