Home > Bearings Catalogue Online > Deep Groove Ball Bearings 
Bearing SMR74 (AST)
Ball Bearings Miniature - Instrument Series, Stainless Steel - Metric Series SMR74
Bearing number : SMR74
Size (mm) : 4x7x2
Brand : AST
Bore Diameter (mm) : 4
Outer Diameter (mm) : 7
Width (mm) : 2
Bearing dimensions and specification in AST catalogue:
(dimensions in mm)
Bearing Type - Open
Bore Dia (d) - 4.0000
Outer Dia (D) - 7.0000
Width (B) - 2.0000
Radius (min) (rs) - 0.100
Dynamic Load Rating (Cr) - 264
Static Load Rating (Cor) - 92
Max Speed (Grease) (X1000 RPM) - 60
Max Speed (Oil) (X1000 RPM) - 67
Max. Shaft Shoulder Dia. Inner (Li) - 4.8
Min. Housing Shoulder Dia., Outer (Lo) - 3.3
Ball Qty - 8
Ball Dia (Dw) - 1.0000
Weight (g) - 0.23
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.
Search bearings
Bore Dia, mm
Outer Dia, mm:
Bearings Catalogue