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Bearing SMF128ZZ (AST)
Ball Bearings Miniature - Instrument Series, Stainless Steel - Metric Series SMF128ZZ
Bearing number : SMF128ZZ
Size (mm) : 8x12x3.5
Brand : AST
Bore Diameter (mm) : 8
Outer Diameter (mm) : 12
Width (mm) : 3,5
Bearing dimensions and specification in AST catalogue:
(dimensions in mm)
Bearing Type - Flange Shielded
Bore Dia (d) - 8.0000
Outer Dia (D) - 12.0000
Width (B) - 3.5000
Radius (min) (rs) - 0.100
Flange Dia (Df) - 13.6000
Flange Width (Bf) - 0.800
Dynamic Load Rating (Cr) - 462
Static Load Rating (Cor) - 219
Max Speed (Grease) (X1000 RPM) - 40
Max Speed (Oil) (X1000 RPM) - 48
Max. Shaft Shoulder Dia. Inner (Ui) - 9.1
Min. Housing Shoulder Dia., Outer (Uo) - 11.330
Ball Qty - 12
Ball Dia (Dw) - 1.2000
Weight (g) - 1.14
Precision - A1
Standard Clearance - K25
Material - Martensitic Stainless Steel
Also available in 52100 Chrome Steel
ABEC Grades 1, 3, 5, 7, and 9 are available. Also, the equivalent ISO classes.
Two metal shields = (ZZ), also available with a single metal shield = (Z).
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Bore Dia, mm
Outer Dia, mm:
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