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3309D
Double Row Angular Contact Ball Bearings feature two rows of balls in a common outer ring with a 30° contact angle, enabling bidirectional axial load handling. Non-separable design with integral ribs ensures precise alignment. Ideal for high-speed, high-stiffness applications like machine tool spindles and automotive differentials.
Metral:
Symmetrical design for balanced radial/axial load distribution.
High stiffness reduces shaft deflection under combined loads.
Pre-lubricated options for maintenance-free operation.
Parameter
Bearing No.
3309D
d(mm)
45
D(mm)
100
B(mm)
39.7
a(mm)
93
Loadrating DynamicC(KN)
77.7
Loadrating StaticC0(KN)
69.11
Speedlimit Lubrication Grease(rpm)
4590
Speedlimit Lubrication Oil(rpm)
5400
Weight(Kg)
1.6
Power-Star Bearings
MVB Xiamen Power-Star Bearing Industry Co., Ltd. is among the top manufacturers and exporters of various bearings and power transmissions in China.With extensive experience, comprehensive technical resources and an effective quality control system, we consistently emphasize high-quality and circumspect service. We are devoted to technology and management innovation so as to meet different customers' demands and give you the best bearing and power transmission solutions.