Cone Part Number: 644
Cup Part Number: 633
(d)Bore Diameter: 71.437 mm
(D)Outside Diameter: 130.175 mm
(T)Bearing Width: 41.275 mm
Weight: 2.19kg/pc
Delivery Time: 1-3 days
Model Number: 688zz, 688z, 688ZZ, 688 ZZ, 688 Z
Size: 8x16x5mm
Material: chrome steel, carbon steel
Structure: radial ball bearing, single row
Seal Type: double shielded metal seal
Application: toys, furniture, home appliance etc
Inner Diameter: 17.5mm
Outer Diameter: 30mm
Width: 7mm
Weight: 0.018kg
Material: 52100 steel
Seal Type: Open without seal
Working Temperature: -30°C to 120 °C