(dimensions in mm)

Bearing Type - metal with bronze and graphite

Shaft Dia., Nominal (d) - 38.0000

Shaft Size (ds) - 38 +0 / -0.039

Housing Bore Dia. (Dh) - 42 +0.025 / -0

Bearing Outside Diameter, Nominal(Do) - 42.000

Bearing Bore after Mounting (di) - 38 +0.185 / +0.040

Average Clearance (Cd) - 0.1320

Wall Thickness (S3) - 1.950

Bearing Length, Nominal (B) - 40.000

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 3840
• Inner Diameter：38mm Outer Diameter：42mm Width：mm
• Type：Plain Bearings
• Update date：2025-12-10
• Application:car,hardware,engineering machine,glass,Beauty and Body,diagnostic test paper,Handling machinery and various industrial machinery,textile machinery,industrial skin care,Industrial Adhesive,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving
• Similar models:AST AST850SM4025 AST AST850BM3830 AST AST850SM2415 AST AST850BM8530 AST AST850SM4050 AST AST850SM7030 AST AST850BM3015 AST AST850SM5540 AST AST850BM2630 AST AST850SM9050
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