d - 17 mm

D - 47 mm

B - 19 mm

C - 19 mm

r1 min. - 1 mm

da min. - 22 mm

Da max. - 42 mm

ra max. - 1.0 mm

Weight - 0.158 Kg

Basic dynamic load rating (C) - 14,5 kN

Basic static load rating (C0) - 3,6 kN

(Grease) Lubrication Speed - 12000 r/min

(Oil) Lubrication Speed - 16000 r/min

Calculation factor (e) - 0.49

Calculation factor (Y0) - 1.34

Calculation factor (Y1) - 1.28

Calculation factor (Y2) - 1.98

• Model Number:2303
• Inner Diameter：17mm Outer Diameter：47mm Width：19mm
• Type：Self-Aligning Ball Bearings
• Update date：2025-12-11
• Application:Infrared Technology,instrumentation instrument,water,organic raw materials,luminescent reagent,electronic materials,linear drive,building decoration raw materials and accessories,Handling machinery and various industrial machinery,chamfering machine etc,blood cell reagent
• Similar models:NTN 2303S NKE 2303-2RS NKE 2303 SKF 2303E-2RS1TN9 NSK 2303 FAG 2303-2RS-TVH KOYO 2303 CX 2303-2RS AST 2303 SKF 2303
• BEARING POWER International Trading Co.,Ltd. specialize in 2303 products，there is large inventory of NACHI 2303 . We has been built up long-term cooperation with NACHI company, could make a bulk order of the 2303 Which NACHI 2303 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
  40TP116	101,6	228,6	44,45	Timken	Thrust Roller Bearings
  4R6027	300,000	420,000	240,000	NTN	Cylindrical Roller Bearings
  7938L1BDB/GLP4L	190	260	66	NTN	Angular Contact Ball Bearings
  ASTT90 9550	95	100		AST	Plain Bearings
  D/W R2-6 R	3,175	9,525	10,719	SKF	Deep Groove Ball Bearings
  DF0766LLUACS32/L283	35,000	64,000	37,000	NTN	Angular Contact Ball Bearings
  ET-CRI-0787LLCS90/L260	36	64	42	NTN	Tapered Roller Bearings
  FYK 25 TF	25			SKF	Bearing Units
  HK101615	10	16	15	CRAFT	Needle Roller Bearings
  K16X21X10BE	16	21		KOYO	Needle Roller Bearings
  NF 417	85	177		NACHI	Cylindrical Roller Bearings
  NJ2315-E-M6+HJ2315-E	75	160	55	NKE	Cylindrical Roller Bearings
  RNA6904TT	25	37	30	NSK	Needle Roller Bearings
  RNAO50x65x20	50	65	20	SKF	Needle Roller Bearings
  VEB 90 /NS 7CE1	90	125	18	SNFA	Angular Contact Ball Bearings
  NJ2228	140	250	68	FAG	CYLINDRICAL ROLLER BEARINGS
  B7220C.T.P4S	100	180	34	FAG	ANGULAR CONTACT BALL BEARINGS
  FL694ZZA	4	11	4	NTN	DEEP GROOVE BALL BEARINGS
  200624	1.2500	2.0000	1.5000	Rollway	JOURNAL ROLLER ASSEMBLIES
  61807	35	47	7	CONSOLIDATED	DEEP GROOVE BALL BEARINGS