(dimensions in mm)

Bearing Type - straight

Shaft Dia., Nominal (d) - 55.0000

Housing Bore Dia. (Dh) - 70 +0.030 / -0

Bearing Outside Diameter, Nominal(Do) - 70.000

Bearing Outside Diameter Tolerance (Do tol.) - 70 +0.030 / +0.011

Bearing Bore after Mounting (di) - 55 +0.080 / +0.030

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 557040
• Inner Diameter：55mm Outer Diameter：70mm Width：mm
• Type：Plain Bearings
• Update date：2025-12-11
• Application:ventilation heating equipment,Processing machinery,Special Equipment,other CNC,joint protection,rock drilling machinery,car steering pin,metallurgical mold,Safety protection,,Equipment
• Similar models:AST AST650637560 AST AST650F203040 AST AST6507595100 AST AST650202812 AST AST650F455560 AST AST650WC20N AST AST650101410 AST AST650F304035 AST AST650160180140 AST AST650709060
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  31328	140	300	77	ISB	Tapered Roller Bearings
  32934XU	170	230	38	NTN	Tapered Roller Bearings
  6321	105	225	49	CYSD	Deep Groove Ball Bearings
  6215-2Z-N	75	130	25	NKE	Deep Groove Ball Bearings
  NK26/20R+IR22×26×20	22	34	20	NTN	Needle Roller Bearings
  M802048/M802011	41,275	82,55	26,543	AST	Tapered Roller Bearings
  NKI 6/16M	6	16	16	JNS	Needle Roller Bearings
  PCM 303420 E	30	34	20	SKF	Plain Bearings
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  UCTU210-500	50		51,6	KOYO	Bearing Units
  SCE55			.3125	INA	NEEDLE BEARINGS
  16024	120	180	19	STEYR	DEEP GROOVE BALL BEARINGS
  NBX19012DD	7.5000	8.2500	.5000	NSK	FOUR POINT ANGULAR CONTACT BALL BEARINGS
  NKX30	42	30		INA	NEEDLE BEARINGS
  6304ZNR	20	52	15	STEYR	DEEP GROOVE BALL BEARINGS
  6216-2RS1	140	80	26	SKF	DEEP GROOVE BALL BEARINGS
  NU-3034	170	260	67	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS