(dimensions in mm)

Bearing Type - straight

Shaft Dia., Nominal (d) - 20.0000

Housing Bore Dia. (Dh) - 28 +0.021 / -0

Bearing Outside Diameter, Nominal(Do) - 28.000

Bearing Outside Diameter Tolerance (Do tol.) - 28 +0.021 / +0.008

Bearing Bore after Mounting (di) - 20 +0.041 / +0.020

Bearing Length, Nominal (B) - 40.000

Bearing Length Tolerance (B tol.) - -0.10 / -0.30

OD Chamfer Length (Co) - 2.000

ID Chamfer Angle (B deg.) - 15

ID Chamfer Length (Ci) - 1.200

Material - Cast bronze with solid lubricant inserts.

This bearing can be used dry under certain conditions or with lubrication.

The recommended shaft diameter tolerance depends on the application load: High load = d8, Light load = e7, High load Precision accuracy = f7

Please review the technical information.

Additional material options are available in this series.

• Model Number: AST650 202840
• Inner Diameter：20mm Outer Diameter：28mm Width：mm
• Type：Plain Bearings
• Update date：2025-12-11
• Application:training beds etc,Forming mold,Sensors,vertical processing,hydraulic connector,Machine Tool Accessories,other rubber,Solenoid Valves,Food testing,hot and cold box,lifting tackle
• Similar models:AST AST650100120100 AST AST650182430 AST AST650354525 AST AST650152112 AST AST650F556540 AST AST650WC13 AST AST650WC10N AST AST650F455540 AST AST650F9011060 AST AST650F100120100
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  30305F	25	62	18,25	Fersa	Tapered Roller Bearings
  61800-2RSR	10	19	5	FAG	Deep Groove Ball Bearings
  BK253520	25	35	20	CX	Cylindrical Roller Bearings
  E 200/130 7CE3	130	230	40	SNFA	Angular Contact Ball Bearings
  GAC150T	150	225	48	LS	Plain Bearings
  K55X62X40	55	62	40	ISO	Needle Roller Bearings
  KT 485320	48	53		IKO	Needle Roller Bearings
  L319249/10	95,25	130,175	20,638	CX	Tapered Roller Bearings
  NP1880	400	500	46	CX	Cylindrical Roller Bearings
  RI-4	1,984	6,35	2,38	NMB	Deep Groove Ball Bearings
  UCP320-63	100,0125		108	KOYO	Bearing Units
  ZB1.20.0644.201-2SPTN	546	716	56	ISB	Thrust Ball Bearings
  MDJ90	90	190	64	R&M	DEEP GROOVE BALL BEARINGS
  5312-CZZ	60	130	54	MRC	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  AS4511BD	1.5000	3.9370	1.3125	New Departure	AGRICULTURAL BALL BEARINGS
  KR30PPX	12	30	14	INA	NEEDLE BEARINGS
  230/1180	1180	1660	355	CONSOLIDATED	SPHERICAL ROLLER BEARINGS
  EI-1412-ZZ	.5000	.8750	.1960	CONSOLIDATED	DEEP GROOVE BALL BEARINGS