(dimensions in mm)

Bearing Type - straight

Shaft Dia., Nominal (d) - 18.0000

Shaft Size (ds) - 18 +0 / -0/027

Housing Bore Dia. (Dh) - 20 +0.021 / -0

Bearing Outside Diameter, Nominal(Do) - 20.000

Bearing Outside Diameter Tolerance (Do tol.) - 20.075 / 20.035

Bearing Bore after Mounting (di) - 18.111 / 18.040

Average Clearance (Cd) - 0.0890

Wall Thickness (S3) - 0.968

Bearing Length, Nominal (B) - 20.000

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

OD Chamfer Length (Co) - 0.600

ID Chamfer Angle (B deg.) - 30

ID Chamfer Length (Ci) - 0.300

Lube Hole Dia. (dl) - 4.000

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 1820
• Inner Diameter：18mm Outer Diameter：20mm Width：mm
• Type：Plain Bearings
• Update date：2025-12-11
• Application:food safety,Pneumatic Control Valves,centrifugal pump,stamping die and its equipment,Hydraulic Couplings,multi-knife lathe,Wire grinder,pump accessories,Optical Instruments,filter paper products,natural instruments
• Similar models:CX GE200ES AST AST2022IB28 ISB GAC220CP AST ASTB90F3020 AST AST202025 AST AST8002025 AST GEG200ES-2RS SKF PCM202330M ISB GEG200ES2RS AST AST1120060
• BEARING POWER International Trading Co.,Ltd. specialize in AST201820 products，there is large inventory of AST AST20 1820 . We has been built up long-term cooperation with AST company, could make a bulk order of the AST20 1820 Which AST AST201820 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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