(dimensions in mm)

Bearing Type - metal with bronze and graphite

Shaft Dia., Nominal (d) - 40.0000

Shaft Size (ds) - 40 +0 / -0.039

Housing Bore Dia. (Dh) - 44 +0.025 / -0

Bearing Outside Diameter, Nominal(Do) - 44.000

Bearing Bore after Mounting (di) - 40 +0.185 / +0.040

Average Clearance (Cd) - 0.1320

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 4020
• Inner Diameter：40mm Outer Diameter：44mm Width：mm
• Type：Plain Bearings
• Update date：2025-12-18
• Application:Broadcasting System,hook,multi-knife lathe,impression material,Spectral Products,marine analysis and testing equipment,Laser Devices,Low-voltage electrical equipment,ignition system,Insect Count,Switch
• Similar models:AST AST850BM9080 AST AST850SM1810 AST AST850BM3225 AST AST850SM5550 AST AST850SM9050 AST AST850BM85100 AST AST850SM9060 AST AST850SM2020 AST AST850BM6560 AST AST850BM3230
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