d - 55 mm

D - 120 mm

B - 29 mm

C - 29 mm

r min. - 2 mm

Weight - 1,7 Kg

Basic dynamic load rating (C) - 200 kN

Basic static load rating (C0) - 165 kN

(Grease) Lubrication Speed - 4500 r/min

(Oil) Lubrication Speed - 5600 r/min

Calculation factor (e) - 0,25

Calculation factor (Y0) - 2,65

Calculation factor (Y1) - 2,71

Calculation factor (Y2) - 4,03

• Model Number:21311EX1
• Inner Diameter：55mm Outer Diameter：120mm Width：29mm
• Type：Cylindrical Roller Bearings
• Update date：2025-12-15
• Application:Perfusion device,paper processing machine,Control,metering pump,Hair styling device,granulator,Spectrum Products,hanging clamp,flow control valve,office equipment,enzyme
• Similar models:NACHI 21311EX1K NACHI 21311AXK INA 712131110 NACHI 21311AX NACHI 21311EX1
• BEARING POWER International Trading Co.,Ltd. specialize in 21311EX1 products，there is large inventory of NACHI 21311EX1 . We has been built up long-term cooperation with NACHI company, could make a bulk order of the 21311EX1 Which NACHI 21311EX1 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
  240/600CW33MB	600	870	272	TMB	Spherical Roller Bearings
  239/800R	800	1060	195	KOYO	Spherical Roller Bearings
  29360	300	480	109	KOYO	Thrust Roller Bearings
  608-2RS	8	22	7	Fersa	Deep Groove Ball Bearings
  6000	10	26	8	KOYO	Deep Groove Ball Bearings
  6301 ZZ	12	37	12	ISO	Deep Groove Ball Bearings
  LM757049/LM757010	304,8	406,4	63,5	Timken	Tapered Roller Bearings
  K15X21X17	15	21	17	ISO	Needle Roller Bearings
  L860048/L860010	330,2	415,925	47,625	Timken	Tapered Roller Bearings
  RNN3215	160,000	250,000	70,000	NTN	Cylindrical Roller Bearings
  S61804-2Z	20	32	7	ZEN	Deep Groove Ball Bearings
  UC202	15	47	31	ISO	Deep Groove Ball Bearings
  WBB1-8708-2Z	14	8	4	SKF	Deep Groove Ball Bearings
  NUTD2562DZ	25	62	25	FAG (Old No.)	NEEDLE BEARINGS
  MW-13/4				NH	THRUST BALL BEARINGS
  6001.2RSR	12	28	8	FAG	DEEP GROOVE BALL BEARINGS
  RNU4917	120		35	FAG (Old No.)	NEEDLE BEARINGS
  NU-2216	80	140	33	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS
  AS0414	4	14		CONSOLIDATED	THRUST NEEDLE BEARINGS
  RA-106N	30	2.4409	.6299	CONSOLIDATED	BALL BEARINGS