Self-Aligning Ball Bearings
Technical specifications
Item: SMR74ZZ
Structure: Deep Groove
Material: 440C Stainless Steel ( prefix "S" )
Bore Dia (d): 4 mm
Outer Dia (D): 7 mm
Width (B): 2.5mm
Closures: Metal Seals
Lubrication: Grease
Magnetic: little
Hardness: 58HRC