d - 17 mm

Fw - 22 mm

D - 30 mm

B - 13 mm

C - 13 mm

r - 0,3 mm

S - 1 mm

Weight - 0,04 Kg

Basic dynamic load rating (C) - 12,2 kN

Basic static load rating (C0) - 16,4 kN

(Grease) Lubrication Speed - 20000 r/min

(Oil) Lubrication Speed - 13000 r/min

• Model Number: NA4903
• Inner Diameter：17mm Outer Diameter：30mm Width：13mm
• Type：Needle Roller Bearings
• Update date：2025-04-22
• Application:fabric products,Machine Tool Accessories,transistor fittings,machine lathe,tapping machine,small appliances,Laser Devices,tobacco machinery,powder metallurgy,hydraulic pump,Grinding and polishing equipment
• Similar models:NTN NA4903L KOYO RNA4903RS JNS RNA4903 NBS NA4903RS CX NA4903-2RS JNS RNA4903M INA RNA4903 SKF RNA4903 Timken RNA4903.2RS KOYO NA4903
• BEARING POWER International Trading Co.,Ltd. specialize in NA4903 products，there is large inventory of Timken NA4903 . We has been built up long-term cooperation with Timken company, could make a bulk order of the NA4903 Which Timken NA4903 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
  22334EVBC4	170	360	120	NSK	Spherical Roller Bearings
  280RU91	280	429		Timken	Cylindrical Roller Bearings
  26882/26820	41,275	80,167	25,4	NSK	Tapered Roller Bearings
  3NCN1017K	85	130	22	KOYO	Cylindrical Roller Bearings
  7207BDB	35	72	17	NACHI	Angular Contact Ball Bearings
  CRBC 6013	60	90	13	IKO	Thrust Roller Bearings
  FJLT-2523	25	33	23	NSK	Needle Roller Bearings
  KSR25-B0-08-10-19-08	25			INA	Bearing Units
  NA 4904 RS	37	20	18	SKF	Cylindrical Roller Bearings
  NUP2314E	70	150	51	CYSD	Cylindrical Roller Bearings
  PTUEY35	35			NKE	Bearing Units
  RTL23			.3125	INA	THRUST ROLLER BEARINGS
  CSXB090	9.0000	9.6250	.3125	INA	FOUR POINT ANGULAR CONTACT BALL BEARINGS
  TR-8	.5000		.6250	Spherco	ROD ENDS
  6916DDU	80	110	16	NSK	DEEP GROOVE BALL BEARINGS
  R156ZZS	.1875	.3125	.1250	ISC	DEEP GROOVE BALL BEARINGS
  605LLU	5	14	5	NTN	DEEP GROOVE BALL BEARINGS
  32307	35	80	31	STEYR	TAPERED ROLLER BEARINGS
  32310	50	110	40	STEYR	TAPERED ROLLER BEARINGS
  6006.2RS1	30	55	13	SKF	DEEP GROOVE BALL BEARINGS