(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) - 120.000

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 280120
• Inner Diameter：280mm Outer Diameter：285mm Width：mm
• Type：Plain Bearings
• Update date：2025-12-27
• Application:Insect Count,Anti-defibrillation pacing,Animal Tracking,large agricultural machinery,Industrial,Pest Monitoring,glass,diving equipment,mobile toilet,welding equipment,medical equipment
• Similar models:INA EGB1620-E50 AST AST201620 AST ASTEPBW6290-020 SKF PCM121420E AST AST20WC10 AST AST2040IB40 CX TUP2240.120 AST GE120ES INA EGB2015-E50 INA EGBZ2012-E40
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