(dimensions in mm)

Bearing Type - straight

Shaft Dia., Nominal (d) - 12.0000

Housing Bore Dia. (Dh) - 18 +0.021 / -0

Bearing Outside Diameter, Nominal(Do) - 18.000

Bearing Outside Diameter Tolerance (Do tol.) - 18 +0.018 / +0.007

Bearing Bore after Mounting (di) - 12 +0.034 / +0.016

Bearing Length, Nominal (B) - 20.000

Bearing Length Tolerance (B tol.) - -0.10 / -0.30

OD Chamfer Length (Co) - 2.000

ID Chamfer Angle (B deg.) - 15

ID Chamfer Length (Ci) - 1.200

Material - Cast bronze with solid lubricant inserts.

This bearing can be used dry under certain conditions or with lubrication.

The recommended shaft diameter tolerance depends on the application load: High load = d8, Light load = e7, High load Precision accuracy = f7

Please review the technical information.

Additional material options are available in this series.

• Model Number: AST650 121820
• Inner Diameter：12mm Outer Diameter：18mm Width：mm
• Type：Plain Bearings
• Update date：2025-12-15
• Application:Water Monitoring,car instrument,Leather Products,hydraulic pump,mobile toilet,Pneumatic Control Elements,electronic materials,Grinding and polishing equipment,hydraulic control element,Optical detection,cleaning agent
• Similar models:AST AST650607580 AST AST650160180140 AST AST650607460 AST AST650150170100 AST AST650150170150 AST AST650WC45 AST AST650202830 AST AST650759560 AST AST650160180100 AST AST650506230
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