(dimensions in mm)

Bearing Type - straight

Shaft Dia., Nominal (d) - 280.0000

Shaft Size (ds) - 280 +0 / -0.081

Housing Bore Dia. (Dh) - 285 +0.052 / -0

Bearing Outside Diameter, Nominal(Do) - 285.000

Bearing Outside Diameter Tolerance (Do tol.) - 285.260 / 285.170

Bearing Bore after Mounting (di) - 280.282 / 280.110

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.

• Model Number: AST20 28080
• Inner Diameter：280mm Outer Diameter：285mm Width：mm
• Type：Plain Bearings
• Update date：2025-12-15
• Application:physical instruments,engineering machine,plastic molding,rehabilitation training equipment,aerial work platform,shoe-making machinery,chemical,other accessories,security equipment,medical equipment,other mold
• Similar models:INA GIHNRK20LO AST AST207050 AST GEH420XT-2RS Timken 12SF20 FBJ GE200ES AST GAC120S AST AST20WC09IB CX TUP1200.60 AST AST11WC20 INA GE120-FO-2RS
• BEARING POWER International Trading Co.,Ltd. specialize in AST2028080 products，there is large inventory of AST AST20 28080 . We has been built up long-term cooperation with AST company, could make a bulk order of the AST20 28080 Which AST AST2028080 is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express.Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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