d - 55 mm

D - 120 mm

B - 43 mm

C - 43 mm

r min. - 2 mm

da min. - 64 mm

Da max. - 111 mm

ra max. - 2 mm

Weight - 2,03 Kg

Basic dynamic load rating (C) - 76,5 kN

Basic static load rating (C0) - 24 kN

(Grease) Lubrication Speed - 4 800 r/min

(Oil) Lubrication Speed - 6 000 r/min

Calculation factor (e) - 0,41

Calculation factor (Y0) - 1,6

Calculation factor (Y1) - 1,5

Calculation factor (Y2) - 2,4

• Model Number: 2311SK
• Inner Diameter：55mm Outer Diameter：120mm Width：43mm
• Type：Self-Aligning Ball Bearings
• Update date：2025-12-15
• Application:Safety protection,metal mold,powder metallurgy,other processing,Beauty and Body,water,Plastic Equipment,ventilation heating equipment,Industry,textile machinery,coal mill
• Similar models:NKE 2311-K+H2311 SNR 2311K ISO 2311K+H2311 KOYO 2311 CRAFT 2311 CX 2311K+H2311 NKE 2311 FAG 2311-TVH SKF 2311K ISB 2311K+H2311
• BEARING POWER International Trading Co.,Ltd. specialize in 2311SK products，there is large inventory of NTN 2311SK . We has been built up long-term cooperation with NTN company, could make a bulk order of the 2311SK Which NTN 2311SK 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
  20FSF35	20	35	16	NSK	Plain Bearings
  540/532A	52,388	111,125	38,1	Timken	Tapered Roller Bearings
  619/4	4	11	4	NKE	Deep Groove Ball Bearings
  6806	30	42	7	NTN	Deep Groove Ball Bearings
  6824				Ruville	Wheel Bearings
  75BER20HV1V	75	115	24	NSK	Angular Contact Ball Bearings
  B71918-E-2RSD-T-P4S	90	125	18	FAG	Angular Contact Ball Bearings
  EE649240/649310	609,6	787,4	93,663	KOYO	Tapered Roller Bearings
  LMBS24	38,1	60,325		Samick	Linear Bearings
  LMKP30LUU	30	45		Samick	Linear Bearings
  NK75/35	75	92	35	KOYO	Needle Roller Bearings
  NU1006	30	55	13	CYSD	Cylindrical Roller Bearings
  NUP2260	300	540	140	NTN	Cylindrical Roller Bearings
  UC201-08	12,7	47	16	SNR	Deep Groove Ball Bearings
  RL121/2L	1.3750	3.0000	.6875	FAG	CYLINDRICAL ROLLER BEARINGS
  6408	40	110	27	FAG	DEEP GROOVE BALL BEARINGS
  5308-CZZG	40	90	36.5	MRC	DOUBLE ROW ANGULAR CONTACT BALL BEARINGS
  MI-31-N	1.9375		1.5100	CONSOLIDATED	NEEDLE BEARINGS
  SQ-108-100	1.0000	3.1496	1.4375	CONSOLIDATED	AGRICULTURAL BALL BEARINGS
  M-11-CDS	1.1250	2.8125	.8125	CONSOLIDATED	ANGULAR CONTACT BALL BEARINGS WITH SPLIT INNER RACE