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Bearing SMR72-TT (AST)
Ball Bearings Miniature - Instrument Series, Stainless Steel - Metric Series SMR72-TT
Bearing number : SMR72-TT
Size (mm) : 2x7x3
Brand : AST
Bore Diameter (mm) : 2
Outer Diameter (mm) : 7
Width (mm) : 3
Bearing dimensions and specification in AST catalogue:
(dimensions in mm)
Bearing Type - Sealed
Bore Dia (d) - 2.0000
Outer Dia (D) - 7.0000
Width (B) - 3.0000
Radius (min) (rs) - 0.150
Dynamic Load Rating (Cr) - 328
Static Load Rating (Cor) - 103
Max Speed (Grease) (X1000 RPM) - 63
Max Speed (Oil) (X1000 RPM) - 75
Max. Shaft Shoulder Dia. Inner (Ui) - 3.2
Min. Housing Shoulder Dia., Outer (Uo) - 6.200
Ball Qty - 7
Ball Dia (Dw) - 1.2000
Weight (g) - 0.53
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 PTFE seals = (TT), also availble with a single PTFE seal = (T)
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Bore Dia, mm
Outer Dia, mm:
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