Product Parameters

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• model NNC4912CV
• Basic size mm
  d 60
  D 85
  B 25
• Basic rated load kN
  Dynamic C 78.1
  Static Co 137
• Fatigue load limit Pu 14.3
• Rated speed r/min
  Reference speed 3600
  Limiting Speeds 4500
• quality 0.49
• Size mm
  d₁～ 70.5
  D1 ～ 73.5
  E 77.51
  b₁ 4.5
  k 3.5
  R_1,2minimum 1
  s¹⁾ -
• Shoulder and chamfer size mm
  D_aminimum 64.6
  D_as²⁾Recommended values 68.5
  Da maximum 80.4
  R_amaximum 1