WZZG 20Pcs high quality miniature deep groove ball bearings 633 634 635 636 637638 639 ZZ

WZZG Miniature deep groove ball bearings 633 634 635 636 637638 639 ZZ

Brand Name : WZZG

Structure: Deep Groove Ball

Modle and size:

633-ZZ: 3*13*5 mm
634-ZZ: 4*16*5 mm
635-ZZ: 5*19*6 mm
636-ZZ: 6*22*7 mm
637-ZZ: 7*26*9 mm
638-ZZ: 8*28*9 mm
639-ZZ: 9*30*10 mm
Double-sided metal seal (ZZ)
Material: bearing steel