R188 Full Ceramic Bearing 1/4" x 1/2" x 1/8" - Miniature square the NJ220MY inner diameter is

the NJ220MY inner diameter is 100mm

work with Roller Hockey Rollerblades Too

tight spaces

Equal: 6007 RS / 6007 2RS

the NU207EG inner diameter is 35mm

R188 Full Ceramic Bearing 1/4" x 1/2" x 1/8" - Miniature square the NJ220MY inner diameter isR188 Full Ceramic Ball Bearing 1 4" ID 1 2" OD 1 8" Width The R188 full ceramic bearing is built with zirconia (ZrO) balls and races, paired with a PTFE cage for ultra low friction. Its a top choice for high speed, non magnetic, or corrosive environments where standard metal bearings cant keep up. Pack size: 1 bearing Size: 1 4" x 1 2" x 1 8" Type: Full ceramic deep groove bearing Balls: Zirconia ceramic (ZrO) Races: Zirconia ceramic (ZrO) Cage: PTFE