(dimensions in mm)

Bearing Type - Sealed

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) - 4

Max Speed (Oil) (X1000 RPM) - 7

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

Min. Housing Shoulder Dia., Outer (Uo) - 111.000

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.

Two rubber seals = (2RS), also available with a single rubber seal = (RS).

• Model Number:6311-2RS
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-25
• Application:labor insurance,scientific instruments,Sensors,altimeter etc,mobile toilet,Oral Equipment,container finishing,die casting mold,metering pump,Surveying Surveying Instruments,turret industry
• Similar models:FBJ 6311ZZ NTN 6311LB Fersa 6311-2RS KOYO M6311 NACHI 6311-2NKE ISB 6311-2RS NSK 6311NR FAG 6311-2Z SKF 6311-ZNR ISB 6311NR
• BEARING POWER International Trading Co.,Ltd. specialize in 6311-2RS products，there is large inventory of AST 6311-2RS . We has been built up long-term cooperation with AST company, could make a bulk order of the 6311-2RS Which AST 6311-2RS 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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  6322-Z	110	240	50	CYSD	Deep Groove Ball Bearings
  71909HVUJ74	45	68	12	SNR	Angular Contact Ball Bearings
  7908DT	40	62	12	CYSD	Angular Contact Ball Bearings
  CX448				CX	Wheel Bearings
  GEEW32ES	32	52	32	LS	Plain Bearings
  KBHL 12-PP	12	21		NBS	Linear Bearings
  KDA140	355,6	381	12,7	KOYO	Angular Contact Ball Bearings
  NJ 1040	200	310	51	NACHI	Cylindrical Roller Bearings
  NK47/30	47	57	30	ZEN	Needle Roller Bearings
  PSHEY60-N	60		60	NKE	Bearing Units
  RNA49/28R	32	45	17	NTN	Needle Roller Bearings
  W 6201-2RZ	32	12	10	SKF	Deep Groove Ball Bearings
  W 6307	80	35	21	SKF	Deep Groove Ball Bearings
  22256CAC	280	500	130	SKF	SPHERICAL ROLLER BEARINGS
  R3.2RS	.1875	.5000	.1960	SKF	DEEP GROOVE BALL BEARINGS
  95848	1.3750	2.0000	3.0000	CONSOLIDATED	JOURNAL ROLLER ASSEMBLIES
  KB-160XPO	16.0000	16.6250	.3125	CONSOLIDATED	FOUR POINT ANGULAR CONTACT BALL BEARINGS
  NNCF-5016V	80	125	60	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS