(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) - 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 3820
• Inner Diameter：38mm Outer Diameter：42mm Width：mm
• Type：Plain Bearings
• Update date：2025-12-13
• Application:Reflective Materials Industrial fabrics,Internal thread type,spring industry,industry test,pipe fittings Steel industry,boring bar boring bar,industrial skin care,cooling system,wheel lathe,hydraulic cylinder,electric hydraulic lifting platform
• Similar models:AST AST850BM8580 AST AST850BM10080 AST AST850SM10060 AST AST850BM2415 AST AST850SM2820 AST AST850BM2815 AST AST850BM12060 AST AST850BM3020 AST AST850SM4530 AST AST850BM5550
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