(dimensions in mm)

Bearing Type - metal with bronze and graphite

Shaft Dia., Nominal (d) - 30.0000

Shaft Size (ds) - 30 +0 / -0.033

Housing Bore Dia. (Dh) - 34 +0.025 / -0

Bearing Outside Diameter, Nominal(Do) - 34.000

Bearing Bore after Mounting (di) - 30 +0.185 / +0.040

Average Clearance (Cd) - 0.1280

Wall Thickness (S3) - 1.950

Bearing Length, Nominal (B) - 20.000

Bearing Length Tolerance (B tol.) - +0 / -0.40

OD Chamfer Length (Co) - 1.200

ID Chamfer Angle (B deg.) - 35

ID Chamfer Length (Ci) - 0.500

This bearing can be used dry but occasional lubrication with oil is recommended.

Please review the technical information on the requirements for the mating shaft.

• Model Number: AST850SM 3020
• Inner Diameter：30mm Outer Diameter：34mm Width：mm
• Type：Plain Bearings
• Update date：2025-12-15
• Application:Cylinder Type,pipe fittings Steel industry,Machine tools,milling head plug,Hairbrush device,Roller,coal mill,Small air generators,equipment and,position switch,impression material
• Similar models:AST AST850SM6040 AST AST850SM7030 AST AST850BM1420 AST AST850BM6040 AST AST850SM3020 AST AST850BM1210 AST AST850SM6540 AST AST850BM13560 AST AST850BM125100 AST AST850SM2515
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  S810	12,7	17,462	15,875	INA	Needle Roller Bearings
  UCFL215E	75			KOYO	Bearing Units
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  6304TCC78	20	52	15	SKF	DEEP GROOVE BALL BEARINGS
  FBX2	2	5	1.5	SKF	DEEP GROOVE BALL BEARINGS
  A-5260WB	300	540	7.0000	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  NKS-50	65		22	CONSOLIDATED	NEEDLE BEARINGS