(dimensions in mm)

Bearing Type - straight

Shaft Dia., Nominal (d) - 20.0000

Shaft Size (ds) - 20 -0.02 / -0.041

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

Bearing Outside Diameter, Nominal(Do) - 23.000

Bearing Outside Diameter Tolerance (Do tol.) - 23.075 / 23.035

Bearing Bore after Mounting (di) - 20.071 / 19.99

Average Clearance (Cd) - 0.0610

Wall Thickness (S3) - 1.505

Bearing Length, Nominal (B) - 12.000

Bearing Length Tolerance (B tol.) - +0 / -0.30

OD Chamfer Length (Co) - 0.700

ID Chamfer Angle (B deg.) - 30

ID Chamfer Length (Ci) - 0.500

Material - Steel shell with PTFE / Polymer Fiber lining

This bearing can be used dry or with lubrication.

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

• Model Number: AST40 2012
• Inner Diameter：20mm Outer Diameter：23mm Width：mm
• Type：Plain Bearings
• Update date：2025-04-24
• Application:electronic materials,Rolling mill gear box,Grinding and polishing equipment,product accessories,surgical instruments,Beauty and Body,baler,equipment,orthodontic material,embroidery cloth,spring industry
• Similar models:AST AST40WC20 AST SA40ES AST AST400815 INA EGB4540-E50 SKF SI40TXE-2LS CX GE240HCR-2RS LS GEH400XT AST AST403550 CX TUP190.40 IKO SBB40-2RS
• BEARING POWER International Trading Co.,Ltd. specialize in AST402012 products，there is large inventory of AST AST40 2012 . We has been built up long-term cooperation with AST company, could make a bulk order of the AST40 2012 Which AST AST402012 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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