Home > Bearings Catalogue Online > Deep Groove Ball Bearings 
Bearing 687H-2RS (AST)
Ball Bearings Miniature - Instrument Series, Stainless Steel - Metric Series 687H-2RS
Bearing number : 687H-2RS
Size (mm) : 7x14x5
Brand : AST
Bore Diameter (mm) : 7
Outer Diameter (mm) : 14
Width (mm) : 5
Bearing dimensions and specification in AST catalogue:
(dimensions in mm)
Bearing Type - Sealed
Bore Dia (d) - 7.0000
Outer Dia (D) - 14.0000
Width (B) - 5.0000
Radius (min) (rs) - 0.150
Dynamic Load Rating (Cr) - 997
Static Load Rating (Cor) - 410
Max Speed (Grease) (X1000 RPM) - 40
Max Speed (Oil) (X1000 RPM) - 50
Max. Shaft Shoulder Dia. Inner (Ui) - 8.5
Min. Housing Shoulder Dia., Outer (Uo) - 12.700
Ball Qty - 9
Ball Dia (Dw) - 2.0000
Weight (g) - 2.95
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 PTFE seals = (TT), or with a single PTFE seal = (T)
Also available with two light contact rubber seals = (2RU), or with a single light contact rubber seal = (RU)
Search bearings
Bore Dia, mm
Outer Dia, mm:
Bearings Catalogue