•  
• Bearing Type
• current code
  61903-2RZ
• The inside diameter of
• d
  17
• Outer diameter
• D
  30
• Thickness
• B
  7
• Basic dynamic load rating
• Cr
  4.62
• Basic static load rating
• C₀
  2.55
• Fatigue load
• P_u
  0.108
• Reference speed
• Reference speed
  50000
• limit speed
• limit speed
  26000r/min
• Bearing Type
• Type
  Deep groove ball bearings

61903-2RZBearings are suitable for gearboxes, instruments, motors, household appliances, internal combustion engines, transportation vehicles, agricultural machinery, construction machinery, construction machinery, roller skates, yoyos, etc.