Detailed description
1.61904 2RS1 deep groove ball bearings
2.SIZE:20*37*9mm
3.material:GCr15
4.seal: 61904 open ,61904 ZZ,61904-2RS,61904 Z,61904 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









