(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：2023-10-14
• Application:tower crane,sheet industry,climb ladder,plastic rolling,injection molding machine,Cylinder Special,vertical sawing machine,Pneumatic Control Valves,plastic rolling,water protection,pneumatic
• Similar models:AST AST650WC20N CX TUP218.20 INA GE320-AW AST AST112020 AST AST650F203025 INA EGF12120-E40-B LS GEC420XS AST AST11F20165 AST AST206540 AST AST650142015
• 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.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  100TAF21	100	215	47	NACHI	Thrust Ball Bearings
  1300	10	35	11	KOYO	Self-Aligning Ball Bearings
  23122-2CS5K/VT143 + H 3122 E	180	100	56	SKF	Spherical Roller Bearings
  30211J2/Q	55	100	22,75	SKF	Tapered Roller Bearings
  31317	85	180	44,5	FAG	Tapered Roller Bearings
  63209LLB	45,000	85,000	30,162	NTN	Deep Groove Ball Bearings
  HK2824	28	35	24	ISO	Cylindrical Roller Bearings
  KTX015	38,1	47,625	4,762	KOYO	Angular Contact Ball Bearings
  NJ2319 E	95	200	67	CX	Cylindrical Roller Bearings
  L327249/10	133,35	177,008	25,4	ISO	Tapered Roller Bearings
  MJ1.3/4-2Z	44,45	107,95	17,4625	RHP	Deep Groove Ball Bearings
  NN3896C1NAP4	480	600	90	NTN	Cylindrical Roller Bearings
  NU203-E-TVP3	17	40	12	NKE	Cylindrical Roller Bearings
  UCTU208-700	40		49,2	FYH	Bearing Units
  ZSL192313	65	140	48	INA	Cylindrical Roller Bearings
  9113K	65	100	18	FAF	DEEP GROOVE BALL BEARINGS
  MUCFPL206-20W	1.2500			AMI	THERMOPLASTIC PILLOW BLOCKS
  DMP30				RIV	THRUST BALL BEARINGS
  6319.2Z	95	200	45	SKF	DEEP GROOVE BALL BEARINGS
  SCE-4412			.7500	CONSOLIDATED	NEEDLE BEARINGS