SKF 6312 Ceramic Deep Groove Ball Bearing 2RS1/C3. Ceramic and electrical insulating bearings (Technique / Tenant / Rental and accessories). Principal data: inner diameter 60 mm, outer diameter 130 mm, width 31 mm. Supplied under manufacturer part number 6312-2RS1/HC5C3WT, EAN 7316572227503, HS code 8482.10, country of origin Germany.