(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：2025-04-24
• Application:agrochemical,directional control valve,granulator,hinge industry,Other machinery,food sterilization,Pneumatic Actuator,Forging machine,Spectrum Products,Pump,instrument
• Similar models:KOYO M6311ZZ ISB 6311-ZZ NTN 6311ZZNR NACHI 6311ZENR NACHI 6311N SKF 6311 ZEN 6311-2RS NTN 6311NR NACHI 6311NSE ISO 6311-2RS
• 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.

• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  230/750 EKW33+AOH30/750	710	1090	250	ISB	Spherical Roller Bearings
  2581/2523-B	33,338	69,85	25,357	Timken	Tapered Roller Bearings
  53230	150	212		ISO	Thrust Ball Bearings
  5395/5335	49,212	103,188	43,658	Timken	Tapered Roller Bearings
  6016NR	80	125	22	SKF	Deep Groove Ball Bearings
  6205	25	52	15	KOYO	Deep Groove Ball Bearings
  AST650 455540	45	55		AST	Plain Bearings
  ASTB90 F13060	130	135		AST	Plain Bearings
  ASTT90 23090	230	235		AST	Plain Bearings
  EN 6	6	21	7	NSK	Deep Groove Ball Bearings
  G1008KLLB	12,7	40	27,78	Timken	Deep Groove Ball Bearings
  K25X35X36H	25	37		KOYO	Needle Roller Bearings
  GEG 160 ET 2RS	160	260	135	ISB	Plain Bearings
  GYA102RRB	28,575	62	32,5	Timken	Deep Groove Ball Bearings
  MF126	6	12	3	ZEN	Deep Groove Ball Bearings
  NJ 2305 E	25	62	24	NACHI	Cylindrical Roller Bearings
  SSN000LL	10,000	26,000	8,000	NTN	Deep Groove Ball Bearings
  SAF-517	3.0000			FAG	PILLOW BLOCKS
  SAF056	10.0000			Torrington	PILLOW BLOCKS
  NU308E	40	90	23	Torrington	CYLINDRICAL ROLLER BEARINGS