SR2ZZ Ceramic Bearing Si3N4 ABEC-5 1/8" x 3/8" x 5/32"inch Bearing assembly NJ319MY width is 45mm

NJ319MY width is 45mm

6224ZZE Nachi Ball Bearing

Limiting Speed: Grease Lubrication: 945 RPM

If you want a bearing that runs cooler

This flanged ball bearing is designed for 1/8" slot car axles

SR2ZZ Ceramic Bearing Si3N4 ABEC-5 1/8" x 3/8" x 5/32"inch Bearing assembly NJ319MY width is 45mmSR2ZZ High Speed Ball Bearings Stainless Steel ABEC 5 7 Solid SI3N4 Ceramic Balls SR2ZZ ABEC 5 Stainless Steel bearings with 7 solid SI3N4 Ceramic Balls, Bearings is made from Stainless Steel and has Solid Ceramic balls (SI3N4). that Bearing fits many applications. SR2ZZ Ball Bearing Deep Groove Ball Bearings Quality: ABEC 5 Bearings: Stainless Steel Shield Double Metal Shields for dust protection (ZZ) Balls: Si3N4 Solid Ceramic Size: 1 8" x 3 8" x 5