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Bearing 693H-2RS (AST)
Ball Bearings Miniature - Instrument Series, Stainless Steel - Metric Series 693H-2RS
Bearing number : 693H-2RS
Size (mm) : 3x8x4
Brand : AST
Bore Diameter (mm) : 3
Outer Diameter (mm) : 8
Width (mm) : 4
Bearing dimensions and specification in AST catalogue:
(dimensions in mm)
Bearing Type - Sealed
Bore Dia (d) - 3.0000
Outer Dia (D) - 8.0000
Width (B) - 4.0000
Radius (min) (rs) - 0.150
Dynamic Load Rating (Cr) - 474
Static Load Rating (Cor) - 144
Max Speed (Grease) (X1000 RPM) - 60
Max Speed (Oil) (X1000 RPM) - 67
Max. Shaft Shoulder Dia. Inner (Ui) - 4.4
Min. Housing Shoulder Dia., Outer (Uo) - 7.250
Ball Qty - 6
Ball Dia (Dw) - 1.5880
Weight (g) - 0.80
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 rubber seals = (2RS), also available with a single rubber seal = (RS).
Also available with two light contact rubber seals = (2RU), or with a single light contact rubber seal = (RU)
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Bore Dia, mm
Outer Dia, mm:
Bearings Catalogue