(dimensions in mm)

Bearing Type - straight

Shaft Dia., Nominal (d) - 280.0000

Shaft Size (ds) - 280 +0 / -0.081

Housing Bore Dia. (Dh) - 285 +0.052 / -0

Bearing Outside Diameter, Nominal(Do) - 285.000

Bearing Outside Diameter Tolerance (Do tol.) - 285.260 / 285.170

Bearing Bore after Mounting (di) - 280.282 / 280.110

Average Clearance (Cd) - 0.2320

Wall Thickness (S3) - 2.418

Bearing Length, Nominal (B) - 50.000

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 28050
• Inner Diameter：280mm Outer Diameter：285mm Width：mm
• Type：Plain Bearings
• Update date：2025-12-20
• Application:tapping machine,X-ray Equipment,sterilizers,Roller mill,Cylinder Special,axle lathe,medical equipment,ultra-quiet generators,office outdoor camping equipment,small diesel generators,Oral Equipment
• Similar models:ISO GE120DO-2RS CX TUP118.20 AST AST80012060 CX GE320QCR INA GE20-LO LS GEC420XS AST AST850BM2820 ISB GX20S SKF GE20TXE-2LS AST GEEW200ES
• BEARING POWER International Trading Co.,Ltd. specialize in AST2028050 products，there is large inventory of AST AST20 28050 . We has been built up long-term cooperation with AST company, could make a bulk order of the AST20 28050 Which AST AST2028050 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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  6908	40	62	12	FBJ	Deep Groove Ball Bearings
  89315 TN	135	75	36	SKF	Thrust Roller Bearings
  K10X16X12TN	10	15		KOYO	Needle Roller Bearings
  K9X12X32.8	9,000	12,000		NTN	Needle Roller Bearings
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  LMEF60L	60	90		Samick	Linear Bearings
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  NH2224	120	215	58	ISO	Cylindrical Roller Bearings
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  M16CDS	2.2500	5.0000	1.2500	HOFF	ANGULAR CONTACT BALL BEARINGS WITH SPLIT INNER RACE
  MDJ20	20	52	21	R&M	DEEP GROOVE BALL BEARINGS
  FPCD1800	18.0000	19.0000	.5000	SKF	DEEP GROOVE BALL BEARINGS
  7209CDP4GA	45	85	19	SKF	ANGULAR CONTACT BALL BEARINGS