S604ZZ Bearing 4x12x4 Stainless Steel - Shielded - Miniature Inline Rollerblade Skate Bearing Dynamic load rating Cr: 104

Dynamic load rating Cr: 104

ID (inner diameter)/Bore= 3/16 inch

NU309 Nachi Cylindrical Roller Bearings

the NJ219 inner diameter is 95mm

S604ZZ Bearing 4x12x4 Stainless Steel - Shielded - Miniature Inline Rollerblade Skate Bearing Dynamic load rating Cr: 104Ball Bearings 4X12X4 Stainless Steel One Bearing Ball Bearing Stainless Steel Ball Bearings, a standard bearing size with dimensions commonly used across many industries: 4mm x 12mm x 4mm. Made of stainless steel Bearing has 2 Metal Shield to protect the bearing from dust or any possible contamination. Double Shielded Ball Bearings Size: 4mm x 12mm x 4mm Deep groove ball bearings Material: Stainless Steel Shield Double Metal Shields for dust