d - 55 mm

D - 120 mm

B - 29 mm

C - 29 mm

r min. - 2 mm

da min. - 65 mm

Da max. - 110 mm

ra max. - 2 mm

Weight - 1,69 Kg

Basic dynamic load rating (C) - 145 kN

Basic static load rating (C0) - 163 kN

(Grease) Lubrication Speed - 3 700 r/min

(Oil) Lubrication Speed - 4 800 r/min

Calculation factor (e) - 0,25

Calculation factor (Y0) - 2,63

Calculation factor (Y1) - 2,69

Calculation factor (Y2) - 4,01

• Model Number: 21311K
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Spherical Roller Bearings
• Update date：2025-04-19
• Application:extruder,Forklift industry,altimeter etc,container finishing,sewage pump,chuck industry,vertical processing,Storage Device,sanitation facilities,extruder,municipal machinery
• Similar models:CX 21311KCW33+AH311 CX 21311KCW33 KOYO 21311RH NTN 21311 Timken 21311VCSJ SNR 21311V CX 21311CW33 ISO 21311KCW33+H311 FAG 21311-E1-K+AHX311 SKF 21311EK
• BEARING POWER International Trading Co.,Ltd. specialize in 21311K products，there is large inventory of NTN 21311K . We has been built up long-term cooperation with NTN company, could make a bulk order of the 21311K Which NTN 21311K 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
  231/500R	500	830	264	KOYO	Spherical Roller Bearings
  4R3428	170,000	250,000	168,000	NTN	Cylindrical Roller Bearings
  52411	45	120	87	ISB	Thrust Ball Bearings
  67885/67820CD+X2S-67885	190,5	266,7	103,188	Timken	Tapered Roller Bearings
  7238 ADT	190	340	110	ISO	Angular Contact Ball Bearings
  FJL-2025L	20	27	25	NSK	Needle Roller Bearings
  GE300XT/X-2RS	300	430		AST	Plain Bearings
  HK5022-RS	50	58	22	INA	Needle Roller Bearings
  IJ123080				ILJIN	Angular Contact Ball Bearings
  N214	70	110,5	24	NTN	Cylindrical Roller Bearings
  NJ215R	75	130	25	KOYO	Cylindrical Roller Bearings
  NJ2305	25,000	62,000	24,000	NTN	Cylindrical Roller Bearings
  WMLFN4008 ZZ	4	8	3	KOYO	Deep Groove Ball Bearings
  33115	75	125	37	FAG	TAPERED ROLLER BEARINGS
  TAF455520	55		20	IKO	NEEDLE BEARINGS
  KB200XPO	20.0000	20.6250	.3125	KAYDON	FOUR POINT ANGULAR CONTACT BALL BEARINGS
  NBX22809	9.0000	9.7500	.3750	NSK	FOUR POINT ANGULAR CONTACT BALL BEARINGS
  N-332	160	340	68	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  	6.2500	5.3125		CONSOLIDATED
  SX011848	240	300	28	CONSOLIDATED	CROSSED ROLLER BEARINGS