(dimensions in mm)

Bearing Type - straight

Shaft Dia., Nominal (d) - 30.0000

Housing Bore Dia. (Dh) - 38 +0.025 / -0

Bearing Outside Diameter, Nominal(Do) - 38.000

Bearing Outside Diameter Tolerance (Do tol.) - 38 +0.025 / +0.009

Bearing Bore after Mounting (di) - 30 +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 303840
• Inner Diameter：30mm Outer Diameter：38mm Width：mm
• Type：Plain Bearings
• Update date：2025-12-12
• Application:embroidery cloth,Spectrum Products,wheel lathe,vertical pull,sanitation facilities,noise inspection,storage shelves,Roller,industrial supplies,sewage pump,test strip
• Similar models:AST AST650223212 AST AST650455530 AST AST650223215 AST AST650125145120 AST AST650121816 AST AST6508010040 AST AST650120140140 AST AST650405035 AST AST650121820 AST AST650557040
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• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  2200	10	30	14	NACHI	Self-Aligning Ball Bearings
  22252RHA	260	480	130	KOYO	Spherical Roller Bearings
  22309C	45	100	36	NTN	Spherical Roller Bearings
  6021	105	160	26	NACHI	Deep Groove Ball Bearings
  6421	105	260	60	SIGMA	Deep Groove Ball Bearings
  687	7	14	3,5	ISB	Deep Groove Ball Bearings
  7068 A	340	520	82	CX	Angular Contact Ball Bearings
  71964 C	320	440	56	ISO	Angular Contact Ball Bearings
  AB40577	35	72	18,9	SNR	Deep Groove Ball Bearings
  HKS11X16X13M	11,000	16,000	13,000	NTN	Needle Roller Bearings
  MJH-22121	34,925	44,45	19,05	NSK	Needle Roller Bearings
  MRJ 4	101,6	215,9	44,45	SIGMA	Cylindrical Roller Bearings
  RNAO50X65X40	50	65	40	KOYO	Needle Roller Bearings
  RV263417	26	34	17	KOYO	Needle Roller Bearings
  UCFX06	30		42,9	CX	Bearing Units
  SY 1.1/4 PF/AH	31.75		47,6	SKF	Bearing Units
  2085	.4375	.8750		Andrews	THRUST BALL BEARINGS
  104-KSZZ	20	42	12	MRC	DEEP GROOVE BALL BEARINGS
  FPAF608	6.5000	8.0000	.7500	SKF	ANGULAR CONTACT BALL BEARINGS
  LS-281/2	10.5000	16.6250	2.2500	CONSOLIDATED	DEEP GROOVE BALL BEARINGS