d - 20 mm

D - 52 mm

B - 21 mm

C - 21 mm

r min. - 1,1 mm

da min. - 26,5 mm

Da max. - 45,5 mm

ra max. - 1 mm

Weight - 0,193 Kg

Basic dynamic load rating (C) - 18,5 kN

Basic static load rating (C0) - 4,7 kN

(Grease) Lubrication Speed - 11 000 r/min

(Oil) Lubrication Speed - 14 000 r/min

Calculation factor (e) - 0,5

Calculation factor (Y0) - 1,3

Calculation factor (Y1) - 1,2

Calculation factor (Y2) - 1,9

• Model Number:2304SK
• Inner Diameter：20mm Outer Diameter：52mm Width：21mm
• Type：Self-Aligning Ball Bearings
• Update date：2025-12-16
• Application:Perfusion device,Control,labor insurance,Switch,ultra-quiet generators,Spectrum Products,flow control valve,chuck industry,security,steam Hydraulic control element,mathematical instruments
• Similar models:CX 2304 NTN 2304S NTN 2304SK KOYO 2304 CX 2304-2RS NKE 2304 SNR 2304EEG15 CX 2304K+H2304 AST 2304 SIGMA 2304
• BEARING POWER International Trading Co.,Ltd. specialize in 2304SK products，there is large inventory of NTN 2304SK . We has been built up long-term cooperation with NTN company, could make a bulk order of the 2304SK Which NTN 2304SK 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
  230/900YMB	900	1280	280	Timken	Spherical Roller Bearings
  240/950CAK30E4	950	1360	412	NSK	Spherical Roller Bearings
  81228-M	140	200	46	INA	Thrust Roller Bearings
  BCE228	33,338	41,275	15,875	INA	Needle Roller Bearings
  NK15/20	15	23	20	ZEN	Needle Roller Bearings
  NUP 2212	60	110	28	NACHI	Cylindrical Roller Bearings
  NUP211-E-M6	55	100	21	NKE	Cylindrical Roller Bearings
  PSL 612-330	536,575	820	152	TMB	Tapered Roller Bearings
  R140.23				SNR	Wheel Bearings
  RNA 4848	265	300	60	NBS	Needle Roller Bearings
  SA2-80B	127	196,85	111,125	NTN	Plain Bearings
  T104	26,289	50,8	15,875	Timken	Thrust Roller Bearings
  VKBA 3907				SKF	Wheel Bearings
  VKHB 2182	35,000	72,000	28,000	SKF	Wheel Bearings
  63815-2RS	75	95	15	ELGES	DEEP GROOVE BALL BEARINGS
  RF-1760	6	17	6	NMB	DEEP GROOVE BALL BEARINGS
  30221	105	190	36	STEYR	TAPERED ROLLER BEARINGS
  23B	110	240	50	RIV	DEEP GROOVE BALL BEARINGS
  51110				CONSOLIDATED	THRUST BALL BEARINGS
  SCE-57			.4375	CONSOLIDATED	NEEDLE BEARINGS