Detailed description
618/4 bearing 4x9x2.5mm
1.618/4 deep groove ball bearings
2.SIZE:4*9*2.5mm
3.material:GCr15
4.seal: 618/4 open ,618/4 ZZ,618/4 2RS,618/4 Z,618/4 RS
5.Deep groove ball bearing type:
With seals or dust cover bearing
With dust cover: single side or double side iron dust cover.
With non-contact rubber seal: single side or double side non-contact seal.
With contact rubber seal: single-sided or double-sided contact seal contact with the inner ring. Outer ring with locking slot:
N: the outer ring has anti-rotation slot
NR: the outer ring has anti-rotation slot and snap ring.
6.application :Precision instruments, low noise motors, automobiles, motorcycles and general machinery and other industries








