Item: SMR115-2RS CB
Structure: Deep Groove
Bearing Material: 440C Stainless Steel
Ball Material:Ceramic Si3N4
Bearing Type : Hybrid ceramic ball bearing
Bore Dia (d): 5mm
Outer Dia (D): 11mm
Width (B): 4mm
Lubrication: No Grease For Free Spinning
Hardness: 58HRC
Bearing Grades: ABEC 7