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π’ Flanged deep groove ball bearing
R3-2RS outer diameter is 1/2"inch and the R3-2RS width inch is 0
3x9 Deep groove ball bearings
NU212MY width is 22mm
π’ Inner diameter (dw): 4mm
1/2" = 12.7mm Loose Ceramic Bearing Balls - SiC Plain Spherical Bushing π’ Flanged deep groove ball1 2" Silicon Carbide Ceramic Ball 12. 7mm Loose Precision Ball High Strength SiC This loose 1 2" ceramic bearing ball is made from durable silicon carbide (SiC), offering exceptional hardness, wear resistance, and chemical stability. Ideal for use in bicycles, high performance bearings, and precision instruments, this ball is a reliable option for harsh or high load environments. Size: 1 2" (12. 7mm) Type: Loose precision ball Material: Silicon