(dimensions in mm)

Bearing Type - thrust washer

Shaft Dia., Nominal (d) - 50.0000

Bearing Outside Diameter, Nominal(Do) - 78.000

Washer Inside Diameter, Nominal (di) - 52

Washer Inside Diameter Tolerance (di tol.) - +0.25 / -0

Washer Outside Diameter, Nominal (Do) - 78

Washer Outside Diameter Tolerance (Do tol.) - +0 / -0.25

Washer Thickness, Nominal (S3) - 2

Washer Thickness Tolerance (S3 tol.) - +0 / -0.05

Mounting Hole Dia. (dm) - 4.000

Mounting Hole Pitch Dia. (dp) - 65

Housing Counterbore Depth (Ha) - 1.50

Housing Counterbore Depth Tolerance (Ha tol.) - +0.2 / -0.2

Housing Counterbore Diameter, Nominal (HD) - 78.000

Housing Counterbore Diameter Tolerance (HD tol.) - +0.12 / 0

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 WC52
• Inner Diameter：50mm Outer Diameter：78mm Width：mm
• Type：Plain Bearings
• Update date：2025-12-16
• Application:noise reduction equipment,tobacco machinery,internal combustion engine,roller lathe,generator,paper processing machine,Oral Image,X-ray Equipment,altimeter etc,Blood coagulation reagent,Spectral Products
• Similar models:AST GE220XT/X-2RS SKF PCM171920E NMB RBT20 INA EGB1220-E50 CX TUW120 AST AST090200100 AST AST203025 AST AST11F20215 INA EGB2025-E40-B AST AST850BM2020
• BEARING POWER International Trading Co.,Ltd. specialize in AST20WC52 products，there is large inventory of AST AST20 WC52 . We has been built up long-term cooperation with AST company, could make a bulk order of the AST20 WC52 Which AST AST20WC52 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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