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：2025-04-19
• Application:Industrial,metallurgy,storage and transportation equipment,Dental Drill etc,Gas turbine,bag machine,marine test,Logistics Equipment,thin metal materials,wheel lathe,hydraulic actuator
• Similar models:SKF 21311EK KOYO 21311RHK ISO 21311KCW33+AH311 AST 21311MBW33 CX 21311KCW33 ISO 21311KW33 FAG 21311-E1-K KOYO 21311RH Timken 21311VCSJ AST 21311MBKW33
• 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
  15126/15250X	31.75	63,5	20,638	Timken	Tapered Roller Bearings
  23064CAKE4	320	480	121	NSK	Spherical Roller Bearings
  24124-CE-W33	120	200	80	NKE	Spherical Roller Bearings
  AST650 759560	75	95		AST	Plain Bearings
  40NQ6430W1S	40	64	30	KOYO	Needle Roller Bearings
  60RIF250	152,4	275		Timken	Cylindrical Roller Bearings
  63209-2RS	45	85	30,2	CX	Deep Groove Ball Bearings
  E-HM266448/HM266410	384,175	546,1	104,775	NTN	Tapered Roller Bearings
  7317 CDT	85	180	82	ISO	Angular Contact Ball Bearings
  CRI-2301	115	230	116	NTN	Tapered Roller Bearings
  CSXAA010-TV	25,4	34,925	4,763	INA	Deep Groove Ball Bearings
  GEG260ES	260	400	205	LS	Plain Bearings
  K38X46X32FV1	38	46		Timken	Needle Roller Bearings
  L68149/11	34,988	59,974	15,875	ISO	Tapered Roller Bearings
  N 306	30	72	19	SIGMA	Cylindrical Roller Bearings
  RSL182220-A	100	162,81	46	INA	Cylindrical Roller Bearings
  NUP2048E	240	360	72	FAG	CYLINDRICAL ROLLER BEARINGS
  NJ348	240	500	95	FAG	CYLINDRICAL ROLLER BEARINGS
  AM-5	.3125		.4375	Aurora	ROD ENDS
  96928	1.5000	2.2500	1.7500	CONSOLIDATED	JOURNAL ROLLER ASSEMBLIES