QJ312 Four point Angular Contact Ball Bearing
QJ312 Four point Angular Contact Ball Bearing detail Specifications:
Metric series
Material : 52100 Chrome Steel
Construction : Single Row
Seal Type : Open type
Limiting speeds (grease) : 4200 rpm
Limiting speeds (Oil ) : 5700 rpm
Cage : Brass cage or Nylon cage
Cage Material : Brass or polyamid (PA66)
Weight : 2.15 kg
Main Dimensions:
Bore diameter (d) : 60 mm
Bore diameter Tolerance : -0.012 mm to 0 mm
Outer diameter (D) : 130 mm
Outer diameter Tolerance : -0.013 mm to 0 mm
Width (B) : 31 mm
Width Tolerance : -0.05 mm to 0 mm
Chamfer Dimension ( r) min. : 2.1 mm
Load center (a) : 55 mm
Fatigue load limit (Cu) : 8.5 KN
Dynamic load ratings (Cr) : 135 KN
Static load ratings(Cor) : 198 KN
ABUTMENT DIMENSIONS
Abutment diameter shaft (da) min. : 72 mm
Abutment diameter housing (Da) Max. : 118 mm
Fillet radius (ras) Max. : 2.0 mm
