d - 55 mm

d1 - 50 mm

D - 120 mm

B - 29 mm

C - 29 mm

B1 - 45 mm

B2 - 12 mm

Weight - 1,55 Kg

• Model Number: 21311 KCW33+H311
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Spherical Roller Bearings
• Update date：2025-12-16
• Application:insect experimental analysis instrument,electrocardiograph,sample cup,vertical pull,other mold,printing machinery,plastic rolling,machine lathe,gantry processing,garden machinery,power source
• Similar models:KOYO 21311RHK SNR 21311VK FAG 21311-E1-K+AHX311 FAG 21311-E1-K+H311 ISB 21311K NTN 21311 ISB 21311K+AHX311 CX 21311KCW33 SKF 21311EK ISB 21311EKW33+H311
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• Model No.	Inner Diameter	Outer Diameter	Width	Brand	Type
  28580A/28521	50,8	92,075	24,608	Timken	Tapered Roller Bearings
  23028 CCK/W33	210	140	53	SKF	Spherical Roller Bearings
  250RU03	250	470		Timken	Cylindrical Roller Bearings
  3005-B-TVH	25	47	16	FAG	Angular Contact Ball Bearings
  6815N	75	95	10	NACHI	Deep Groove Ball Bearings
  35BER10S	35	62	14	NSK	Angular Contact Ball Bearings
  554/553	61,912		36,678	KOYO	Tapered Roller Bearings
  560-S/552D+X1S-560-S	68,262	123,825	79,375	Timken	Tapered Roller Bearings
  6024N	120	180	28	SKF	Deep Groove Ball Bearings
  ARR5FFN-B	7,9375		7,9375	NMB	Spherical Roller Bearings
  GE 12 UK	12	22	10	INA	Plain Bearings
  K15x18x16	15	18	16	CX	Needle Roller Bearings
  K30X37X18	30,000	37,000		NTN	Needle Roller Bearings
  UCECH210	50		51.6	NACHI	Bearing Units
  UST203	17			SNR	Bearing Units
  6311	55	120	29	FAG	DEEP GROOVE BALL BEARINGS
  N310	50	110	27	STEYR	CYLINDRICAL ROLLER BEARINGS
  605-ZZ	5	14	5	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  5303E-2RS	17	47	22.2	CONSOLIDATED	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  QJ-12/900	900	1580	300	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS WITH SPLIT INNER RACE