(dimensions in mm)

Bearing Type - metal with bronze and graphite

Shaft Dia., Nominal (d) - 20.0000

Shaft Size (ds) - 20 +0 / -0.033

Housing Bore Dia. (Dh) - 23 +0.021 / -0

Bearing Outside Diameter, Nominal(Do) - 23.000

Bearing Bore after Mounting (di) - 20 +0.161 / +0.020

Average Clearance (Cd) - 0.1070

Wall Thickness (S3) - 1.460

Bearing Length, Nominal (B) - 20.000

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

OD Chamfer Length (Co) - 0.700

ID Chamfer Angle (B deg.) - 35

ID Chamfer Length (Ci) - 0.500

This bearing can be used dry but occasional lubrication with oil is recommended.

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

• Model Number: AST850SM 2020
• Inner Diameter：20mm Outer Diameter：23mm Width：mm
• Type：Plain Bearings
• Update date：2025-12-17
• Application:hot and cold box,animal anatomy,engineering machinery,pneumatic,agricultural testing and analysis equipment and related,construction machinery and equipment,Spectrum Products,cleaning agent,tray industry,instrument,metallurgy
• Similar models:AST AST850SM2010 AST AST850BM3840 AST AST850SM3540 AST AST850BM15060 AST AST850BM2425 AST AST850SM2825 SKF GEC850FBAS AST AST850SM2530 AST AST850SM4020 AST AST850BM11080
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