(dimensions in mm)

Bearing Type - metal with bronze and graphite

Shaft Dia., Nominal (d) - 28.0000

Shaft Size (ds) - 28 +0 / -0.033

Housing Bore Dia. (Dh) - 32 +0.025 / -0

Bearing Outside Diameter, Nominal(Do) - 32.000

Bearing Bore after Mounting (di) - 28 +0.185 / +0.040

Average Clearance (Cd) - 0.1280

Wall Thickness (S3) - 1.950

Bearing Length, Nominal (B) - 20.000

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

OD Chamfer Length (Co) - 1.200

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 2820
• Inner Diameter：28mm Outer Diameter：32mm Width：mm
• Type：Plain Bearings
• Update date：2025-12-09
• Application:roller lathe,Dental Drill etc,defogging and degreasing,Blood coagulation reagent,atomizer class,product accessories,squeeze machine etc,switch,forklift industry,extruder,mathematical instruments
• Similar models:AST AST850BM3015 AST AST850BM1820 AST AST850SM105100 AST AST850SM110100 AST AST850SM1215 AST AST850SM2415 AST AST850BM1010 AST AST850BM11550 AST AST850BM10580 AST AST850SM6030
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