Bearing SFRW4-TT (AST)

Ball Bearings Miniature - Instrument Series, Stainless Steel - Inch Series SFRW4-TT

Bearing number : SFRW4-TT

Brand : AST

Bore Diameter (mm) : 6,35

Outer Diameter (mm) : 15,875

Bearing dimensions and specification in AST catalogue:

(dimensions in inches)

Bearing Type - Flanged Sealed with Extended Inner

Bore Dia (d) - 0.2500

Outer Dia (D) - 0.6250

Outer Width (Bo) - 0.1960

Inner Width (Bi) - 0.2272

Radius (min) (rs) - 0.012

Flange Dia (Df) - 0.6900

Flange Width (Bf) - 0.042

Dynamic Load Rating (Cr) - 283

Static Load Rating (Cor) - 112

Max Speed (Grease) (X1000 RPM) - 38

Max Speed (Oil) (X1000 RPM) - 45

Max. Shaft Shoulder Dia. Inner (Ui) - 0.3

Min. Housing Shoulder Dia., Outer (Uo) - 0.543

Ball Qty - 8

Ball Dia (Dw) - 0.0937

Weight (g) - 4.90

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.

Two PTFE seals = (TT), also availble with a single PTFE seal = (T)

Tags : AST

Designation

Bore Dia, mm

Outer Dia, mm: