(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) - 30.000

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 202830
• Inner Diameter：20mm Outer Diameter：28mm Width：mm
• Type：Plain Bearings
• Update date：2025-12-17
• Application:other accessories,Oral Equipment,medical Equipment,Solenoid Valves,Broadcasting System,Laser Devices,Display Devices,car,E Beauty,Cylinder Pneumatic Treatment Element,wall materials
• Similar models:AST AST650506550 AST AST650506560 AST AST650WC65 AST AST650140160100 AST AST650182416 AST AST650708540 AST AST650152115 AST AST65012014080 AST AST650150170100 AST AST650607560
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  617/6 ZZ	6	10	3	ISO	Deep Groove Ball Bearings
  6917	85	120	18	NACHI	Deep Groove Ball Bearings
  7307 BEGAPH	80	35	21	SKF	Angular Contact Ball Bearings
  89324	120	210		ISO	Thrust Roller Bearings
  B190-2	190	300	42	NSK	Deep Groove Ball Bearings
  HUB147-28	39	75	62,8	NTN	Angular Contact Ball Bearings
  CX401				CX	Wheel Bearings
  KJ32X37X29.8	32,000	37,000		NTN	Needle Roller Bearings
  LJ 4.1/4	107,95	190,5	31,75	SIGMA	Deep Groove Ball Bearings
  NP2344	220	460	145	ISO	Cylindrical Roller Bearings
  Q1030	150	225	35	CX	Angular Contact Ball Bearings
  RB 15030	150	230	30	ISB	Thrust Roller Bearings
  RLM304025	30	40	25	NSK	Needle Roller Bearings
  WJ-404620	63,5	73,025		Timken	Needle Roller Bearings
  UC309	45	100	57	NACHI	Deep Groove Ball Bearings
  W 61800	19	10	5	SKF	Deep Groove Ball Bearings
  AS6590	65	90		SKF	THRUST NEEDLE BEARINGS
  0-9				SKF	THRUST BALL BEARINGS