SKF 31148 Radial shaft seals for general industrial applications

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SKF 31148 Radial shaft seals for general industrial applications image

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SKF 31148 Radial shaft seals for general industrial applications Product identifiers

Bearing number:4T-12580/12520
Size (mm):20.638x49.225x19.845
Bore Diameter (mm):20,638
Outer Diameter (mm):49,225
Width (mm):19,845
d:20,638 mm
D:49,225 mm
T:19,845 mm
B:19,845 mm
C:15,875 mm
ra1 max.:1,5 mm
a:7,1 mm
Da:42,5 mm
db:26 mm
ra max.:1,5 mm
da:28,5 mm
Db:45,5 mm
Weight:0,182 Kg
Basic dynamic load rating (C):37,5 kN
Basic static load rating (C0):39 kN
(Grease) Lubrication Speed:8 200 r/min
(Oil) Lubrication Speed:11 000 r/min
Calculation factor (e):0,32
Calculation factor (Y0):1,02
d1:34.3 mm
e:0.32
Y2:1.86
Y0:1.02
Mass:0.18 kg
Dynamic load, C:37.5 kN
Rating life coefficient, A2:1.4
Static load, C0:39 kN
Fatigue limit load, Cu:4.75 kN
Nlim (oil):11,000 rpm
Nlim (grease):8,200 rpm
Min operating temperature, Tmin:-40 °C
Max operating temperature, Tmax:120 °C
Characteristic cage frequency, FTF:0.4 Hz
Characteristic rolling element frequency, BSF:4.86 Hz
Characteristic outer ring frequency, BPF0:5.24 Hz
Characteristic inner ring frequency, BPFI:7.76 Hz
ra max:1.5 mm
r1a max:1.5 mm
Category:Bearings
Inventory:0.0
Minimum Buy Quantity:N/A
Weight / Kilogram:0.185
Product Group:B04334

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