Product Details

40 mm x 80 mm x 18 mm SIGMA 7208-B angular contact ball bearings

Brand Name SIGMA
Model Number 7208-B
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

SIGMA 7208-B bearing Size Chart (mm/inches)

Bearing number71912 ACB/P4A
Size (mm)85x60x13
Bore Diameter (mm)85
Outer Diameter (mm)60
Width (mm)13
d60 mm
D85 mm
B13 mm
d168.94 mm
d267.73 mm
D278.36 mm
r1,2 - min.1 mm
r3,4 - min.0.3 mm
a27.2 mm
da - min.64.6 mm
db - min.64.6 mm
Da - max.80.4 mm
Db - max.83 mm
ra - max.1 mm
rb - max.0.3 mm
dn69.8 mm
Basic dynamic load rating - C9.8 kN
Basic static load rating - C08.3 kN
Fatigue load limit - Pu0.355 kN
Limiting speed for grease lubrication19000 r/min
Limiting speed for oil lubrication30000 mm/min
Ball - Dw5.556 mm
Ball - z30
Gref2.77 cm3
Calculation factor - e0.68
Calculation factor - Y20.87
Calculation factor - Y00.38
Calculation factor - X20.41
Calculation factor - Y10.92
Calculation factor - Y21.41
Calculation factor - Y00.76
Calculation factor - X20.67
Preload class A - GA57 N
Preload class B - GB115 N
Preload class C - GC340 N
Calculation factor - f1.11
Calculation factor - f10.99
Calculation factor - f2A1
Calculation factor - f2B1.02
Calculation factor - f2C1.07
Calculation factor - fHC1
Preload class A94 N/micron
Preload class B122 N/micron
Preload class C182 N/micron
d168.94 mm
d267.73 mm
D278.36 mm
r1,2 min.1 mm
r3,4 min.0.3 mm
da min.64.6 mm
db min.64.6 mm
Da max.80.4 mm
Db max.83 mm
ra max.1 mm
rb max.0.3 mm
dn69.8 mm
Basic dynamic load rating C13.3 kN
Basic static load rating C013.4 kN
Fatigue load limit Pu0.355 kN
Attainable speed for grease lubrication19000 r/min
Attainable speed for oil-air lubrication30000 r/min
Ball diameter Dw5.556 mm
Number of balls z30
Reference grease quantity Gref2.77 cm³
Preload class A GA57 N
Static axial stiffness, preload class A94 N/µm
Preload class B GB115 N
Static axial stiffness, preload class B122 N/µm
Preload class C GC340 N
Static axial stiffness, preload class C182 N/µm
Calculation factor f1.11
Calculation factor f10.99
Calculation factor f2A1
Calculation factor f2B1.02
Calculation factor f2C1.07
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 bearing0.2 kg

40 mm x 80 mm x 18 mm  SIGMA 7208-B angular contact ball bearings

40 mm x 80 mm x 18 mm SIGMA 7208-B angular contact ball bearings Cad Models

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