Si3N4 ball 4x10x4mm hybrid ceramic bearing

Boca Ceramic Hybrid Orange Seal Bearing - 4x10x4mm Abec 7

SMR103C-YZZ ABEC-5 Dry Stainless Steel Hybrid Ceramic Shielded

10pcs/50pcs SMR104-2RS 4*10*4mm Stainless Steel Hybrid Si3N4

Orange Seals Ceramic Hybrid Bearing-Ball Bearing Factory, Your

623 Hybrid Ceramic Bearings (3X10X4) - Advanced Ceramic Manufacturer

SMR104C-ZZ Stainless Hybrid Mini Ball Bearing 4x10x4 Shield

Ceramic ball bearings Si3N4

1/4 Inch Si3N4 Silicon Nitride Ceramic Ball Bearings G5 – BC

Ortech's R4 Hybrid Ceramic Bearings can be made with chrome 52100 or stainless steel for the inside and outside race along with silicon nitride balls.

R4 Hybrid Ceramic Bearings (1/4 X 5/8 X 0.1961)

Youchi Bearing Co.,Ltd

Silicon Nitride (Si3N4), PRECISION CERAMIC BALLS