Descripción

Angular contact ball bearing, polyamide cage.

d20 mm
D42 mm
B12 mm
a15 mm
Contact angle α30 °
rs min0.6 mm
r1s min0.3 mm
Mass0.08 kg
BrandNTN
Dynamic load, C9.7 kN
Static load, C05.6 kN
Fatigue limit load, Cu0.25 kN
Nlim (oil)25,000 Tr/min
Nlim (grease)19,000 Tr/min
Min operating temperature, Tmin-20 °C
Max operating temperature, Tmax120 °C
Characteristic cage frequency, FTF0.41 Hz
Characteristic rolling element frequency, BSF4.81 Hz
Characteristic outer ring frequency, BPF04.54 Hz
Characteristic inner ring frequency, BPFI6.46 Hz
da min24.5 mm
Da max37.5 mm
Db max39.5 mm
r1a max0.3 mm
ra max0.6 mm
''