d - 17 mm

Fw - 22 mm

D - 30 mm

B - 14 mm

C - 13 mm

r5 min. - 0,3 mm

Weight - 0,044 Kg

Basic dynamic load rating (C) - 10,1 kN

Basic static load rating (C0) - 12,8 kN

(Grease) Lubrication Speed - 20000 r/min

• Model Number: NA4903,2RS
• Inner Diameter：17mm Outer Diameter：30mm Width：14mm
• Type：Needle Roller Bearings
• Update date：2025-12-16
• Application:impression material,forming machine,axle lathe,embroidery cloth,Polymer,electronic components,large agricultural machinery,Control,Warehouse Shelf Equipment,ship special,thread processing machine
• Similar models:Timken RNA4903.2RS NBS RNA4903RS IKO RNA4903 NTN RNA4903LL IKO NA4903 INA NA4903 JNS RNA4903 IKO RNA4903U NTN RNA4903R ISO RNA4903-2RS
• BEARING POWER International Trading Co.,Ltd. specialize in NA4903,2RS products，there is large inventory of KOYO NA4903,2RS . We has been built up long-term cooperation with KOYO company, could make a bulk order of the NA4903,2RS Which KOYO NA4903,2RS 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
  230/560RK	560	820	195	KOYO	Spherical Roller Bearings
  2304	20	52	21	CRAFT	Self-Aligning Ball Bearings
  30328	140	300	67,75	CRAFT	Tapered Roller Bearings
  6011ZNR	55,000	90,000	18,000	NTN	Deep Groove Ball Bearings
  7019CDT	95	145	24	CYSD	Angular Contact Ball Bearings
  GAR 35 DO-2RS	35	55	25	INA	Plain Bearings
  KBK12X15X14.3	12,000	15,000		NTN	Needle Roller Bearings
  NCF3072 V	360	540	134	CX	Cylindrical Roller Bearings
  NUP1020	100	150	24	NTN	Cylindrical Roller Bearings
  R10ZZ	15,875	34,925	8,731	NTN	Deep Groove Ball Bearings
  RS-5044NR	220	340	160	NSK	Cylindrical Roller Bearings
  WJ-162120	25,4	33,338		Timken	Needle Roller Bearings
  UC209	45	85	49,2	ISO	Deep Groove Ball Bearings
  UCP314	70		78	NACHI	Bearing Units
  NJ2028E	140	210	42	SKF	CYLINDRICAL ROLLER BEARINGS
  MI-6-N	.3750		.7600	McGill	NEEDLE BEARINGS
  CSCG300	30.0000	32.0000	1.0000	INA	DEEP GROOVE BALL BEARINGS
  32240J2	200	360	98	SKF	TAPERED ROLLER BEARINGS
  628ZZ	8	24	8	NTN	DEEP GROOVE BALL BEARINGS
  GEC480TXA-2RS	480	650	230	SKF	SPHERICAL PLAIN BEARINGS