Bearing AST20 25080 (AST)

Bushings AST20 - Steel Shell with POM Plastic Liner - Metric Series AST20 25080

Bearing number : AST20 25080

Brand : AST

Bore Diameter (mm) : 250

Outer Diameter (mm) : 255

Bearing dimensions and specification in AST catalogue:

(dimensions in mm)

Bearing Type - straight

Shaft Dia., Nominal (d) - 250.0000

Shaft Size (ds) - 250 +0 / -0.072

Housing Bore Dia. (Dh) - 255 +0.052 / -0

Bearing Outside Diameter, Nominal(Do) - 255.000

Bearing Outside Diameter Tolerance (Do tol.) - 255.260 / 255.170

Bearing Bore after Mounting (di) - 250.282 / 250.110

Average Clearance (Cd) - 0.2320

Wall Thickness (S3) - 2.418

Bearing Length, Nominal (B) - 80.000

Bearing Length Tolerance (B tol.) - +0 / -0.40

OD Chamfer Length (Co) - 1.800

ID Chamfer Angle (B deg.) - 45

ID Chamfer Length (Ci) - 0.800

Lube Hole Dia. (dl) - 9.500

Material - Carbon steel shell with POM plastic liner

Lubricate the bearing prior to installation.

Please review the technical information on the requirements for the mating shaft.

Tags : AST

Designation

Bore Dia, mm

Outer Dia, mm: