Bearing N3138 ISO -

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Bearing N3138 ISO image

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Bearing N3138 ISO Code system

Bearing number:4T-1988/1922
Size (mm):28.575x57.15x19.845
Bore Diameter (mm):28,575
Outer Diameter (mm):57,15
Width (mm):19,845
d:28,575 mm
D:57,15 mm
T:19,845 mm
B:19,355 mm
C:15,875 mm
a:13.9 mm
rs min:3.5 mm
r1s min:1.5 mm
e:0.33
Y2:1.82
Y0:1
Mass:0.22 kg
Dynamic load, C:40.5 kN
Rating life coefficient, A2:1.4
Static load, C0:44.5 kN
Nlim (oil):8,900 rpm
Nlim (grease):6,700 rpm
Min operating temperature, Tmin:-40 °C
Max operating temperature, Tmax:120 °C
Characteristic cage frequency, FTF:0.42 Hz
Characteristic rolling element frequency, BSF:5.75 Hz
Characteristic outer ring frequency, BPF0:5.85 Hz
Characteristic inner ring frequency, BPFI:8.15 Hz
ra max:3.5 mm
r1a max:1.5 mm

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