d - 17 mm

D - 30 mm

B - 20 mm

C - 18 mm

F - 22 mm

r_1,2 - min. - 0.3 mm

d_a - min. - 19 mm

D_a - max. - 28 mm

r_a - max. - 0.3 mm

Basic dynamic load rating, radial direction - C - 11.4 kN

Basic static load rating, radial direction - C₀ - 16.3 kN

Basic dynamic load rating, axial direction - C - 2.2 kN

Basic static load rating, axial direction - C₀ - 2.7 kN

Fatigue load limit, radial direction - P_u - 2 kN

Fatigue load limit, axial direction - P_u - 0.116 kN

Reference speed - 18000 r/min

Limiting speed - 20000 r/min

Mass bearing - 0.058 kg

• Model Number: NKIB 5903
• Inner Diameter：30mm Outer Diameter：17mm Width：20mm
• Type：Cylindrical Roller Bearings
• Update date：2025-04-22
• Application:Automobile,Spectrum Products,ventilation fans,Laser Cutting,animal anatomy,extruder,Plastic molding,Low-voltage electrical equipment,Hydraulic Hose,food safety,chamfer
• Similar models:SKF NKIA5903 SKF NKIB5903
• BEARING POWER International Trading Co.,Ltd. specialize in NKIB5903 products，there is large inventory of SKF NKIB 5903 . We has been built up long-term cooperation with SKF company, could make a bulk order of the NKIB 5903 Which SKF NKIB5903 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
  07093/07205	23,812		14,26	KOYO	Tapered Roller Bearings
  AST650 759560	75	95		AST	Plain Bearings
  4411	28,575	55,58	19,05	INA	Thrust Ball Bearings
  4T-358X/354A	45	85	21,692	NTN	Tapered Roller Bearings
  51407	35	80	32	FAG	Thrust Ball Bearings
  52408	42	90	65	ISO	Thrust Ball Bearings
  6201-2RD	12	32	10	KOYO	Deep Groove Ball Bearings
  7415 B-UX	75	190	90	CX	Angular Contact Ball Bearings
  JP12049A/JP12010	120	170	27	Fersa	Tapered Roller Bearings
  K15x21x21	15	21	21	CX	Needle Roller Bearings
  NK90/25	90	110	25	KOYO	Needle Roller Bearings
  RNA 4928	160	190	50	JNS	Needle Roller Bearings
  ST4090	40	90	25,25	KOYO	Tapered Roller Bearings
  R166ZZS	.1875	.3750	.1250	ISC	DEEP GROOVE BALL BEARINGS
  NF310	50	110	27	SKF	CYLINDRICAL ROLLER BEARINGS
  51208				STEYR	THRUST BALL BEARINGS
  6204-RSNR	20	47	14	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  32236	180	320	86	CONSOLIDATED	TAPERED ROLLER BEARINGS
  RNA-6903	30		23	CONSOLIDATED	NEEDLE BEARINGS
  NNTR-80-2RSX	80	200	90	CONSOLIDATED	YOKE TYPE TRACK ROLLER