(dimensions in mm)

Bearing Type - Open

Bore Dia (d) - 55.0000

Outer Dia (D) - 120.0000

Width (B) - 29.0000

Radius (min) (rs) - 2.000

Dynamic Load Rating (Cr) - 71,600

Static Load Rating (Cor) - 45,000

Max Speed (Grease) (X1000 RPM) - 6

Max Speed (Oil) (X1000 RPM) - 7

Max. Shaft Shoulder Dia. Inner (Li) - 72.5

Min. Housing Shoulder Dia., Outer (Lo) - 111.0

Ball Qty - 8

Ball Dia (Dw) - 20.6380

Weight (g) - 1,350.00

Precision - A1

Standard Clearance - C0

Material - 52100 Chrome steel (or equivalent)

ABEC Grades 1, 3, 5, 7, and 9 are available.

• Model Number: 6311
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Deep Groove Ball Bearings
• Update date：2025-04-19
• Application:wheel lathe,Microwave Equipment,Insect Count,insect experimental analysis instrument,van,other rubber,Vertical machining,noise inspection,extruder,paint paint,vertical pull
• Similar models:Fersa 6311 KOYO 6311N NTN 6311LU ZEN 6311 BB Bearing 163110-2RS NTN 6311ZNR NTN 6311Z PFI 6311-2RSC3 ISB 6311-ZZNR FAG 6311-2Z
• BEARING POWER International Trading Co.,Ltd. specialize in 6311 products，there is large inventory of AST 6311 . We has been built up long-term cooperation with AST company, could make a bulk order of the 6311 Which AST 6311 is the most authentic, must choose BEARING POWER, what a whole variety, reasonable price, guaranteed quality, prompt delivery via Global express.Any inquiry, never hesitate to E-mail or call +86-022-58519721 to contact us.

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  23968-K-MB-W33	340	460	90	NKE	Spherical Roller Bearings
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  29328	140	240	60	NTN	Thrust Roller Bearings
  2PE24006	1200,000	1700,000	730,000	NTN	Spherical Roller Bearings
  51201	12	28	11	ZEN	Thrust Ball Bearings
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  7918DT	90	125	18	CYSD	Angular Contact Ball Bearings
  C 2226	230	130	64	SKF	Cylindrical Roller Bearings
  GEF85ES	85	135	74	LS	Plain Bearings
  LMEKP40UU	40	62		Samick	Linear Bearings
  NH324 E	120	260	55	CX	Cylindrical Roller Bearings
  NP3228	140	250	88	CX	Cylindrical Roller Bearings
  NU 2213 ECP	120	65	31	SKF	Thrust Ball Bearings
  PCZ 2416 M	38,1	42,069	25,4	SKF	Plain Bearings
  PW51960050CSM	51	96	50	PFI	Angular Contact Ball Bearings
  UKF206+H2306	25			NACHI	Bearing Units
  29328E	140	240		FAG	SPHERICAL ROLLERTHRUST BEARINGS
  31315	75	160	37	FAG	TAPERED ROLLER BEARINGS
  F-40	4.5937	2.9375		Aetna	THRUST BALL BEARINGS
  5215-CZZG	75	130	41.3	MRC	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS