(dimensions in mm)

Bearing Type - straight

Shaft Dia., Nominal (d) - 20.0000

Housing Bore Dia. (Dh) - 28 +0.021 / -0

Bearing Outside Diameter, Nominal(Do) - 28.000

Bearing Outside Diameter Tolerance (Do tol.) - 28 +0.021 / +0.008

Bearing Bore after Mounting (di) - 20 +0.041 / +0.020

Bearing Length, Nominal (B) - 12.000

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 202812
• Inner Diameter：20mm Outer Diameter：28mm Width：mm
• Type：Plain Bearings
• Update date：2025-12-25
• Application:historical instruments,power source,labor insurance,Flame Cutting,cooling system,mechanical annex,walking Food processing machinery and equipment,non-ferrous metal alloy,Hydraulic Press,enzyme,industrial equipment
• Similar models:AST AST650607460 AST AST650809640 AST AST650F121815 AST AST650121816 AST AST650303840 AST AST650152112 AST AST650405070 AST AST650F203015 AST AST650455530 AST AST650121830
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