(dimensions in mm)

Bearing Type - straight

Shaft Dia., Nominal (d) - 45.0000

Shaft Size (ds) - 45 +0 / -0/039

Housing Bore Dia. (Dh) - 50 +0.025 / -0

Bearing Outside Diameter, Nominal(Do) - 50.000

Bearing Outside Diameter Tolerance (Do tol.) - 50.085 / 50.045

Bearing Bore after Mounting (di) - 45.195 / 45.080

Average Clearance (Cd) - 0.1570

Wall Thickness (S3) - 2.438

Bearing Length, Nominal (B) - 20.000

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) - 8.000

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 4520
• Inner Diameter：45mm Outer Diameter：50mm Width：mm
• Type：Plain Bearings
• Update date：2025-12-15
• Application:instrument,Polymer,rock drilling machinery,teaching equipment,enzyme,turret industry,non-ferrous metal alloy,tube,disposable,bio-chemical,injection molding machine
• Similar models:LS SIJ20 AST AST114520 INA GIKFL20PB IKO SB150220120 CX GE200HCR-2RS INA EGBZ2206-E40 AST ASTB90F12080 ISO GE420ES SKF GEZM200ES-2RS AST AST4020080
• BEARING POWER International Trading Co.,Ltd. specialize in AST204520 products，there is large inventory of AST AST20 4520 . We has been built up long-term cooperation with AST company, could make a bulk order of the AST20 4520 Which AST AST204520 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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