(dimensions in mm)

Bearing Type - straight

Shaft Dia., Nominal (d) - 28.0000

Shaft Size (ds) - 28 +0 / -0/033

Housing Bore Dia. (Dh) - 32 +0.025 / -0

Bearing Outside Diameter, Nominal(Do) - 32.000

Bearing Outside Diameter Tolerance (Do tol.) - 32.085 / 32.045

Bearing Bore after Mounting (di) - 28.155 / 28.060

Average Clearance (Cd) - 0.1240

Wall Thickness (S3) - 1.953

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.) - 30

ID Chamfer Length (Ci) - 0.500

Lube Hole Dia. (dl) - 6.000

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 2820
• Inner Diameter：28mm Outer Diameter：32mm Width：mm
• Type：Plain Bearings
• Update date：2025-12-16
• Application:pump accessories,Blood coagulation reagent,Performance test,Rolling mill,Pneumatic Actuator,car steering pin,Cylinder Type,noise inspection,climb ladder,food testing,paper processing machine
• Similar models:AST AST205060 AST AST2028IB16 SKF PCM202315M AST AST850SM2020 LS SIGEW200ES INA GE320DW-2RS2 INA GE220-AW CX TUP1120.100 CX TUP1220.80 AST AST850BM2015
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