Dimensions: 50*120*29mm
Mass: 1.39kg/pc
HS Code: 8482102000
Cage: Standard Steel Cage
Bearing Material: Chrome Steel GCR15
Seal 2RS: Rubber Seal on Two Sides
Radial Internal Play: C3 Internal Play (Higher than CN/C0)
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
Dimensions: 35*55*10mm
Mass: 0.075kg/pc
Sealing: Open without seal
C: 15° contact angle
TYN: Resin cage, this cage has lower friction and lower noise
SUL: Single universal, light preload.
P4:ISO class 4, equals to ABEC7