Original SKF Cylindrical Roller Bearings NU330 KOYO

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Home>Products>SWEDEN SKF Cylindrical Roller Bearings>Original SKF Cylindrical Roller Bearings NU330 KOYO image

Original SKF Cylindrical Roller Bearings NU330 KOYO image

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Products and services Original SKF Cylindrical Roller Bearings NU330 KOYO

Bearing number:71801 ACD/P4
Size (mm):12x21x5
Bore Diameter (mm):12
Outer Diameter (mm):21
Width (mm):5
d:12 mm
D:21 mm
B:5 mm
C:5 mm
d1:15.1 mm
d2:15.1 mm
r1 min.:0,3 mm
r2 min.:0,3 mm
r3 min.:0,15 mm
r4 min.:0,15 mm
D1:18.1 mm
D2:– mm
da min.:14 mm
Da max.:19 mm
db min:14 mm
ra max.:0.3 mm
rb max.:0.15 mm
dh:15,4 mm
Db max:20,2 mm
Weight:0,006 Kg
Basic dynamic load rating (C):1,95 kN
Basic static load rating (C0):1,12 kN
(Grease) Lubrication Speed:63 000 r/min
(Oil) Lubrication Speed:95 000 r/min
Fatigue load limit (Pu):0,048
r1,2 min.:0.3 mm
r3,4 min.:0.15 mm
a:6.4 mm
db min.:14 mm
Db max.:20.2 mm
dn:15.4 mm
Basic dynamic load rating C:1.95 kN
Basic static load rating C0:1.12 kN
Fatigue load limit Pu:0.048 kN
Attainable speed for grease lubrication:63000 r/min
Attainable speed for oil-air lubrication:95000 r/min
Ball diameter Dw:2.381 mm
Number of balls z:14
Reference grease quantity Gref:0.07 cm³
Preload class A GA:17 N
Static axial stiffness, preload class A:34 N/µm
Preload class B GB:53 N
Static axial stiffness, preload class B:54 N/µm
Preload class C GC:105 N
Static axial stiffness, preload class C:72 N/µm
Calculation factor f:1.06
Calculation factor f1:0.97
Calculation factor f2A:1
Calculation factor f2B:1.08
Calculation factor f2C:1.15
Calculation factor fHC:1
Calculation factor e:0.68
Calculation factor (single, tandem) Y2:0.87
Calculation factor (single, tandem) Y0:0.38
Calculation factor (single, tandem) X2:0.41
Calculation factor (back-to-back, face-to-face) Y1:0.92
Calculation factor (back-to-back, face-to-face) Y2:1.41
Calculation factor (back-to-back, face-to-face) Y0:0.76
Calculation factor (back-to-back, face-to-face) X2:0.67
Mass bearing:0.006 kg

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Products and services Original SKF Cylindrical Roller Bearings NU330 KOYO

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