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 - 1,71 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: 21311
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Spherical Roller Bearings
• Update date：2025-12-17
• Application:directional control valve,Broadcasting System,Textile Industry Accessories and Accessories,Individual Wire,Industrial,medical equipment,Other Measurements,PVC,Hydraulic Press,comprehensive experiment,vacuum suction cup
• Similar models:ISO 21311KCW33+H311 FAG 21311-E1-K+AHX311 CX 21311CW33 SNR 21311VK SNR 21311V SKF 21311E CX 21311KCW33+H311 SKF 21311EK FAG 21311-E1-K AST 21311MB
• BEARING POWER International Trading Co.,Ltd. specialize in 21311 products，there is large inventory of NTN 21311 . We has been built up long-term cooperation with NTN company, could make a bulk order of the 21311 Which NTN 21311 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
  07100-S/07210X	25,4	50,8	15,011	Timken	Tapered Roller Bearings
  16005-2RS	25	47	8	FBJ	Deep Groove Ball Bearings
  22244-K-MB-W33+OH3144-H	220	400	108	NKE	Spherical Roller Bearings
  2RT19606	980,000	1600,000	181,000	NTN	Thrust Roller Bearings
  3477/3422	33,338		29,771	KOYO	Tapered Roller Bearings
  6207E	35,000	72,000	17,000	SNR	Deep Groove Ball Bearings
  6382/6320	63,5	135,755	53,975	CX	Tapered Roller Bearings
  LM229139/10	136,525	194,975	33	ISO	Tapered Roller Bearings
  NKS22	22	35	20	AST	Needle Roller Bearings
  NKX30	30	42	30	SKF	Complex Bearings
  PCM 151710 E	15	17	10	SKF	Plain Bearings
  RNA5916	90	110	40	NTN	Needle Roller Bearings
  W 61906 R	30	47	9	SKF	Deep Groove Ball Bearings
  SDE20AJ	20	32	31,5	KOYO	Linear Bearings
  UCF212-36E	57,15			FYH	Bearing Units
  W 607-2RS1	19	7	6	SKF	Deep Groove Ball Bearings
  22310EAS.MA.C4.T41A	50	110	40	FAG	SPHERICAL ROLLER BEARINGS
  XLS-15	15.0000	20.0000	2.5000	FED	DEEP GROOVE BALL BEARINGS
  30205J2	25	52	15	SKF	TAPERED ROLLER BEARINGS
  NJ-2328E	140	300	102	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS