AST850SM 1220 metal backed bronze bushing drawings
  1. This bearing can be used dry but occasional lubrication with oil is recommended.
  2. Please review the technical information on the requirements for the mating shaft.

AST850SM_1220 Metal Backed Bronze Powder and Graphite Series Bushing

Model: AST850SM 1220

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Product Details

Bearing Type metal with bronze and graphite
Shaft Dia., Nominal (d) 12.000 mm
Shaft Size (ds) 12 +0 / -0.027
Housing Bore Dia. (Dh) 14 +0.018 / -0
Bearing Outside Diameter, Nominal(Do) 14.00 mm
Bearing Bore after Mounting (di) 12 +0.148 / +0.010
Average Clearance (Cd) 0.090 mm
Wall Thickness (S3) 0.97 mm
Bearing Length, Nominal (B) 20.00 mm
Bearing Length Tolerance (B tol.) +0 / -0.40
OD Chamfer Length (Co) 0.60 mm
ID Chamfer Angle (B deg.) 35 mm
ID Chamfer Length (Ci) 0.30 mm

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.