10Pcs Double Sided Seal Bearing Steel Deep Groove Pulley Wheel Ball Bearing 637 ZZ

Features: 1. Single rolling body columns and it is suitable for deep groove raceway 2. Made of bearing steel material, durable to use. 3. Simple structure with stable performance, it is easy to use 4. The ball bearing has low frictional resistance and high speed 5. It can be used in gearboxes, instrumentation, motors, household appliances, internal combustion engines, transportation vehicles, agricultural machinery, construction machinery, construction machinery, roller skates, yo yo, etc. Specification: Condition: 100percent Brand New Cage and its Materials: Steel Plate Use Characteristics: High Speed Uses: General Number of Rolling Body Columns: Single Column Raceway Type: Deep Groove Raceway Bearing Material: Bearing Steel Rolling Body Type: Ball Angle: 15 Degrees Sealing Cap: Double Sided Seal Rolling Body: Steel Ball Inner Diameter Outer Diameter Thickness 634 ZZ 7mm 0.28in 26mm 1.0in 9mm 0.35in 635 ZZ 8mm 0.31in 28mm 1.1in 9mm 0.35in 636 ZZ 9mm 0.4in 30mm 1.2in 10mm 0.39in Package List: 10Pcs Deep Groove Ball Bearings