NTN 51205J Ball Bearings

الحد الأدنى لكمية 1 pcs
الأسعار Negotiable
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Bearing number7009 ACB/P4AL
Size (mm)75x45x16
Bore Diameter (mm)75
Outer Diameter (mm)45
Width (mm)16
d45 mm
D75 mm
B16 mm
d156.44 mm
d255.17 mm
D265.58 mm
b1.5 mm
C18.6 mm
C23.6 mm
C32.6 mm
r1,2 - min.1 mm
r3,4 - min.0.6 mm
a22.1 mm
da - min.49.6 mm
db - min.49.6 mm
Da - max.70.4 mm
Db - max.71.8 mm
ra - max.1 mm
rb - max.0.6 mm
dn57.2 mm
Basic dynamic load rating - C9 kN
Basic static load rating - C06.8 kN
Fatigue load limit - Pu0.285 kN
Limiting speed for grease lubrication24000 r/min
Limiting speed for oil lubrication36000 mm/min
Ball - Dw5.556 mm
Ball - z25
Gref2.93 cm3
Calculation factor - e0.68
Calculation factor - Y21.41
Calculation factor - Y00.76
Calculation factor - X20.67
Calculation factor - Y10.92
Preload class A - GA54 N
Preload class B - GB110 N
Preload class C - GC330 N
Calculation factor - f1.05
Calculation factor - f10.99
Calculation factor - f2A1
Calculation factor - f2B1.01
Calculation factor - f2C1.04
Calculation factor - fHC1
Preload class A79 N/micron
Preload class B103 N/micron
Preload class C157 N/micron
r1,2 min.1 mm
r3,4 min.0.6 mm
da min.49.6 mm
db min.49.6 mm
Da max.70.4 mm
Db max.71.8 mm
ra max.1 mm
rb max.0.6 mm
Basic dynamic load rating C12.1 kN
Basic static load rating C011.4 kN
Fatigue load limit Pu0.285 kN
Attainable speed for grease lubrication24000 r/min
Attainable speed for oil-air lubrication36000 r/min
Ball diameter Dw5.556 mm
Number of balls z25
Reference grease quantity Gref2.93 cm³
Preload class A GA54 N
Static axial stiffness, preload class A79 N/µm
Preload class B GB110 N
Static axial stiffness, preload class B103 N/µm
Preload class C GC330 N
Static axial stiffness, preload class C157 N/µm
Calculation factor f1.05
Calculation factor f10.99
Calculation factor f2A1
Calculation factor f2B1.01
Calculation factor f2C1.04
Calculation factor fHC1
Calculation factor e0.68
Calculation factor (single, tandem) Y20.87
Calculation factor (single, tandem) Y00.38
Calculation factor (single, tandem) X20.41
Calculation factor (back-to-back, face-to-face) Y10.92
Calculation factor (back-to-back, face-to-face) Y21.41
Calculation factor (back-to-back, face-to-face) Y00.76
Calculation factor (back-to-back, face-to-face) X20.67
Mass bearing0.26 kg
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