d - 55 mm

D - 120 mm

B - 43 mm

C - 43 mm

r1 min. - 2 mm

da min. - 64 mm

Da max. - 111 mm

ra max. - 2.0 mm

Weight - 2.100 Kg

Basic dynamic load rating (C) - 75,3 kN

Basic static load rating (C0) - 24 kN

(Grease) Lubrication Speed - 4500 r/min

(Oil) Lubrication Speed - 5700 r/min

Calculation factor (e) - 0.41

Calculation factor (Y0) - 1.60

Calculation factor (Y1) - 1.53

Calculation factor (Y2) - 2.37

• Model Number:2311
• Inner Diameter：55mm Outer Diameter：120mm Width：43mm
• Type：Self-Aligning Ball Bearings
• Update date：2025-12-16
• Application:Seals,Medical equipment,Spectrum Products,glass processing machine,municipal machinery,walking Food processing machinery and equipment,car and accessories,agriculture,Digital Generator,sheet industry,X-ray Equipment
• Similar models:NTN 2311S SKF 2311K+H2311 AST 2311 NSK 2311 FAG 2311-TVH SIGMA 2311 SKF 2311 NACHI 2311 ISB 2311K+H2311 CX 2311K
• BEARING POWER International Trading Co.,Ltd. specialize in 2311 products，there is large inventory of NACHI 2311 . We has been built up long-term cooperation with NACHI company, could make a bulk order of the 2311 Which NACHI 2311 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.

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  1318S	90	190	43	NTN	Self-Aligning Ball Bearings
  135	5	19	6	ISO	Self-Aligning Ball Bearings
  3003-2RS	17	35	14	CX	Angular Contact Ball Bearings
  306842A	230	329,5	40	KOYO	Deep Groove Ball Bearings
  4203-2RS	17	40	16	ZEN	Deep Groove Ball Bearings
  6320ZZ	100	215	47	FBJ	Deep Groove Ball Bearings
  63800	10	19	7	ZEN	Deep Groove Ball Bearings
  71926 C-UD	130	180	48	CX	Angular Contact Ball Bearings
  7311BDF	55	120	29	CYSD	Angular Contact Ball Bearings
  EE755285/755360	723,9	914,4	84,138	NSK	Cylindrical Roller Bearings
  HM516442/10	76,2	133,35	39,688	CX	Tapered Roller Bearings
  NA 6918 ZW	90	125	63	NBS	Needle Roller Bearings
  NJ2212-E-TVP2	60	110	28	FAG	Cylindrical Roller Bearings
  NJ2228-E-MA6+HJ2228-E	140	250	68	NKE	Cylindrical Roller Bearings
  SL12 934	170	230	116	INA	Cylindrical Roller Bearings
  SMR85	5	8	2	AST	Deep Groove Ball Bearings
  NUP307	35	80	21	SKF	CYLINDRICAL ROLLER BEARINGS
  SAL8E	8		8	FAG	ROD ENDS
  135TAD20	135	200	234726 M.SP	Nachi	ANGULAR CONTACT THRUST BALL BEARINGS
  AT-626				CONSOLIDATED	THRUST ROLLER BEARING WITH SPHERICAL SEATING RING