(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：2025-12-12
• Application:tire industry,forming machine,Liposuction device,industry test,food / grain / food equipment,packaging materials,industrial skin care,respirator,Industrial,garden machinery,suction nozzle
• Similar models:NTN 6311LLU SKF 6311-2Z/VA228 NKE 6311-N NACHI 6311NSE CYSD 6311-RS SKF 6311-2Z/VA201 NTN-SNR 6311 NACHI 6311ZZE ISB 6311-ZZ NSK 6311ZZ
• 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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  53434X	170	340	141	NSK	Thrust Ball Bearings
  6207L11	35	72	17	NSK	Deep Groove Ball Bearings
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  MOC 5 Tech	8	22	7	OUST	Skateboard Bearings
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  NUP408	40	110	27	CYSD	Cylindrical Roller Bearings
  TAF435320	53		20	IKO	NEEDLE BEARINGS
  SN320with6320	100	-	120	SKF	PILLOW BLOCKS
  BK2522RS	32		22	SKF	NEEDLE BEARINGS
  RSTO40X	80		19.8	INA	NEEDLE BEARINGS
  Z49506	30	62	16	New Departure	DEEP GROOVE BALL BEARINGS
  NU332	160	340	68	SKF	CYLINDRICAL ROLLER BEARINGS
  30220	100	180	34	STEYR	TAPERED ROLLER BEARINGS
  200520	1.2500	1.8750	1.2500	Rollway	JOURNAL ROLLER ASSEMBLIES
  X6ZZ	6	12	4	SKF	DEEP GROOVE BALL BEARINGS
  1412M	60	150	42	CONSOLIDATED	SELF
  23936	180	250	52	CONSOLIDATED	SPHERICAL ROLLER BEARINGS