AST20 28080   bushing drawings
  1. Lubricate the bearing prior to installation.
  2. Please review the technical information on the requirements for the mating shaft.

AST20_28080 Metric Series Bushing

Model: AST20 28080

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Product Details

Bearing Type straight
Shaft Dia., Nominal (d) 280.000 mm
Shaft Size (ds) 280 +0 / -0.081
Housing Bore Dia. (Dh) 285 +0.052 / -0
Bearing Outside Diameter, Nominal(Do) 285.00 mm
Bearing Outside Diameter Tolerance (Do tol.) 285.260 / 285.170
Bearing Bore after Mounting (di) 280.282 / 280.110
Average Clearance (Cd) 0.232 mm
Wall Thickness (S3) 2.42 mm
Bearing Length, Nominal (B) 80.00 mm
Bearing Length Tolerance (B tol.) +0 / -0.40
OD Chamfer Length (Co) 1.80 mm
ID Chamfer Angle (B deg.) 45 mm
ID Chamfer Length (Ci) 0.80 mm
Lube Hole Dia. (dl) 9.50 mm
Material Carbon steel shell with POM plastic liner

All information in this catalog has been thoroughly checked for accuracy. However, the catalog data should not be relied upon entirely for design and development purposes. AST Bearings assumes no liability for possible errors or omissions. All dimensions and specifications are subject to change without notice. Contact AST Bearings for the most current catalog data as it applies to you and for your application.