(dimensions in mm)

Bearing Type - straight

Shaft Dia., Nominal (d) - 18.0000

Shaft Size (ds) - 18 -0.016 / -0.034

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) - 18.061 / 17.99

Average Clearance (Cd) - 0.0510

Wall Thickness (S3) - 1.005

Bearing Length, Nominal (B) - 12.000

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

OD Chamfer Length (Co) - 0.600

ID Chamfer Angle (B deg.) - 30

ID Chamfer Length (Ci) - 0.300

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 1812
• Inner Diameter：18mm Outer Diameter：20mm Width：mm
• Type：Plain Bearings
• Update date：2025-12-26
• Application:Optical detection,relay,clean stationery,other rubber,Cylinder Pneumatic Treatment Element,surgical instruments,product accessories,Leather Products,safety testing,stamping die and its equipment,air shower etc
• Similar models:Timken 25SF40 INA EGBZ2216-E40 INA EGB0812-E40-B AST AST850BM7540 INA EGB120100-E40 INA EGF40260-E40 INA EGF20165-E40-B Timken 240FSH370 INA EGB4040-E50 AST AST5040IB32
• BEARING POWER International Trading Co.,Ltd. specialize in AST401812 products，there is large inventory of AST AST40 1812 . We has been built up long-term cooperation with AST company, could make a bulk order of the AST40 1812 Which AST AST401812 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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