d - 17 mm

F - 22 mm

D - 30 mm

B - 14 mm

C - 13 mm

r1 min. - 0,3 mm

r2 min. - 0,3 mm

da max - 19 mm

Da max. - 28 mm

ra max. - 0,3 mm

S - 0,5 mm

Weight - 0,04 Kg

Basic dynamic load rating (C) - 9,52 kN

Basic static load rating (C0) - 12,9 kN

Fatigue load limit (Pu) - 1,53

Reference speed - – r/min

Limiting speed - 9000 r/min

• Model Number:NA4903RS
• Inner Diameter：17mm Outer Diameter：30mm Width：14mm
• Type：Needle Roller Bearings
• Update date：2025-12-20
• Application:Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,reinforced machinery,standing experimental equipment,hinge industry,die casting mold,diving equipment,gear type,Chromatography Products,squeeze machine etc,position switch,Safety protection
• Similar models:Timken RNA4903 NSK NA4903TT KOYO RNA4903RS CX NA4903 Timken RNA4903RS KOYO RNA4903 SKF NA4903RS CX RNA4903 JNS NA4903 KOYO RNA4903.2RS
• BEARING POWER International Trading Co.,Ltd. specialize in NA4903RS products，there is large inventory of SKF NA4903RS . We has been built up long-term cooperation with SKF company, could make a bulk order of the NA4903RS Which SKF NA4903RS 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
  382254X/382400X	254	400,05	57,15	Gamet	Tapered Roller Bearings
  5203NRZZG15	17,000	40,000	17,500	SNR	Angular Contact Ball Bearings
  628ZZ	8	24	8	ISO	Deep Groove Ball Bearings
  6309N	45	100	25	NTN	Deep Groove Ball Bearings
  DAC3562W-5CS35	35	62	40	KOYO	Angular Contact Ball Bearings
  GEH300HT	300	430		AST	Plain Bearings
  KT 202614 EG	20	26		IKO	Needle Roller Bearings
  MJT1.1/2	38,1	95,25	23,01875	RHP	Angular Contact Ball Bearings
  N320	100	215	47	KOYO	Cylindrical Roller Bearings
  NA4920	100	140	40	NSK	Needle Roller Bearings
  SA205-14	22,225	52	21	FYH	Deep Groove Ball Bearings
  214KG	70	125	24	FAF	DEEP GROOVE BALL BEARINGS
  D-213-33	65	120	2.0625	Rollway	CYLINDRICAL ROLLER BEARINGS
  LRJ-55	55	100	21	RHP	CYLINDRICAL ROLLER BEARINGS
  6110KK	50	80	16	NH	DEEP GROOVE BALL BEARINGS
  R-155	.1562	.3125	.1094	CONSOLIDATED	DEEP GROOVE BALL BEARINGS
  CRSB-24	.6250	1.5000	.8750	CONSOLIDATED	NEEDLE BEARINGS
  81296			56.0	CONSOLIDATED	THRUST ROLLER BEARINGS
  KM-38			28	CONSOLIDATED	LOCKNUTS
  16x30x7mm	16	30	7	CONSOLIDATED	OIL SEALS