(dimensions in inches)

Bearing Type - straight

Shaft Dia., Nominal (d) - 1.2500

Shaft Size (ds) - 1.2387 / 1.2371

Housing Bore Dia. (Dh) - 1.4072 / 1.4062

Bearing Outside Diameter, Nominal(Do) - 1.406

Bearing Bore after Mounting (di) - 1.2452 / 1.2414

Average Clearance (Cd) - 0.0050

Wall Thickness (S3) - 0.082

Bearing Length, Nominal (B) - 1.750

Bearing Length Tolerance (B tol.) - +.010 / -0.010

OD Chamfer Length (Co) - 0.045

ID Chamfer Angle (B deg.) - 30

ID Chamfer Length (Ci) - 0.020

Lube Hole Dia. (dl) - 0.250

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 20IB28
• Inner Diameter：31,75mm Outer Diameter：35,7124mm Width：mm
• Type：Plain Bearings
• Update date：2025-12-11
• Application:ultra-quiet generators,electric pump,sterilizers,Industrial equipment,respirator,pump accessories,knitted fabrics,air purification,Warehouse Shelf Equipment,filter paper products,diagnostic test paper
• Similar models:AST AST650110130120 ISO SI20 IKO GE120ES AST ASTEPB1820-25 LS SIQ20ES AST AST80012050 LS SABP20S SKF PCMS2005002.0E AST ASTEPB3034-20 AST AST401020
• BEARING POWER International Trading Co.,Ltd. specialize in AST2020IB28 products，there is large inventory of AST AST20 20IB28 . We has been built up long-term cooperation with AST company, could make a bulk order of the AST20 20IB28 Which AST AST2020IB28 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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  NAO20X37X16	20	37	16	INA	Needle Roller Bearings
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