(dimensions in mm)

Bearing Type - straight

Shaft Dia., Nominal (d) - 12.0000

Housing Bore Dia. (Dh) - 18 +0.021 / -0

Bearing Outside Diameter, Nominal(Do) - 18.000

Bearing Outside Diameter Tolerance (Do tol.) - 18 +0.018 / +0.007

Bearing Bore after Mounting (di) - 12 +0.034 / +0.016

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 121830
• Inner Diameter：12mm Outer Diameter：18mm Width：mm
• Type：Plain Bearings
• Update date：2025-04-20
• Application:Antenna Potentials,Industrial,Wire grinder,drawing die,Material handling equipment,thin metal materials,woodworking machinery,metering pump,Polymer,engine,welding equipment
• Similar models:AST AST650354550 AST AST650607540 AST AST650100120120 AST AST650303830 AST AST650WC14 AST AST65081210 AST AST650F162220 AST AST650709060 AST AST650F455540 AST AST650557040
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  7924DT	120	165	22	NTN	Angular Contact Ball Bearings
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  AST50 58IB76	92,075			AST	Plain Bearings
  ASTT90 29090	290	295		AST	Plain Bearings
  GE 200 ES	290	200	130	SKF	Plain Bearings
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  SA30ET-2RS	30			LS	Plain Bearings
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  317DR	17	47	19	HOFF	DEEP GROOVE BALL BEARINGS
  KB30-OP	30	47	68	NB	LINEAR RECIRCULATING BALL BEARINGS
  W60/2.5ZZA	2.5	8	4	NTN	DEEP GROOVE BALL BEARINGS
  FX1/8	.1250	.3125	.1406	SKF	DEEP GROOVE BALL BEARINGS
  2207-2RS	35	72	23	CONSOLIDATED	SELF