(dimensions in mm)

Bearing Type - straight

Shaft Dia., Nominal (d) - 250.0000

Shaft Size (ds) - 250 +0 / -0.072

Housing Bore Dia. (Dh) - 255 +0.052 / -0

Bearing Outside Diameter, Nominal(Do) - 255.000

Bearing Outside Diameter Tolerance (Do tol.) - 255.260 / 255.170

Bearing Bore after Mounting (di) - 250.282 / 250.110

Average Clearance (Cd) - 0.2320

Wall Thickness (S3) - 2.418

Bearing Length, Nominal (B) - 120.000

Bearing Length Tolerance (B tol.) - +0 / -0.40

OD Chamfer Length (Co) - 1.800

ID Chamfer Angle (B deg.) - 45

ID Chamfer Length (Ci) - 0.800

Lube Hole Dia. (dl) - 9.500

Material - Carbon steel shell with POM plastic liner

Lubricate the bearing prior to installation.

Please review the technical information on the requirements for the mating shaft.

• Model Number:AST20 250120
• Inner Diameter：250mm Outer Diameter：255mm Width：mm
• Type：Plain Bearings
• Update date：2025-12-26
• Application:Doppler,Oral Equipment,Pneumatic Control Elements,rehabilitation training equipment,organic raw materials,luminescent reagent,shaft milling machine,ventilation equipment,Pneumatic Control Valves,inorganic chemical,Industrial
• Similar models:AST AST2019050 AST AST850BM1820 ISO GE200UK-2RS LS GEG220ES AST AST2048IB32 AST AST0902015 CX TUP220.30 AST AST112015 ISB GE200CP LS GEC420XF/Q
• BEARING POWER International Trading Co.,Ltd. specialize in AST20250120 products，there is large inventory of AST AST20 250120 . We has been built up long-term cooperation with AST company, could make a bulk order of the AST20 250120 Which AST AST20250120 is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express.Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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