d - 17 mm

F - 22 mm

D - 30 mm

B - 13 mm

C - 13 mm

r min. - 0,3 mm

da min. - 19 mm

da max - 21 mm

Da max. - 28 mm

Weight - 0,039 Kg

Basic dynamic load rating (C) - 10,8 kN

Basic static load rating (C0) - 14,3 kN

Limiting speed - 18 000 r/min

1 - corrosion resistant

• Model Number: NA4903M
• Inner Diameter：17mm Outer Diameter：30mm Width：13mm
• Type：Needle Roller Bearings
• Update date：2025-04-22
• Application:Broadcasting System,hardware,Processing machinery,Pneumatic Control Elements,drawing die,pneumatic,Automobile,reducer,ventilation fans,boring bar boring bar,vacuum filter
• Similar models:INA RNA4903 KOYO NA4903,2RS NSK NA4903 NTN NA4903R INA NA4903-XL NTN RNA4903 Timken RNA4903 NTN NA4903L SKF RNA4903RS IKO NA4903
• BEARING POWER International Trading Co.,Ltd. specialize in NA4903M products，there is large inventory of JNS NA4903M . We has been built up long-term cooperation with JNS company, could make a bulk order of the NA4903M Which JNS NA4903M 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
  15580/15523	26,988	60,325	19,842	FBJ	Tapered Roller Bearings
  230/710EK	710	1030	236	NACHI	Cylindrical Roller Bearings
  555/553X	50.800	122.238	38.100	NACHI	Tapered Roller Bearings
  6324-2Z	260	120	55	SKF	Deep Groove Ball Bearings
  BHTM1020	10	17	20	KOYO	Needle Roller Bearings
  BTM 140 BM/P4CDB	140	210	63	SKF	Thrust Ball Bearings
  CX283				CX	Wheel Bearings
  FC 3652168	180	260	168	ISB	Cylindrical Roller Bearings
  HAR916CA	80	110	16	KOYO	Angular Contact Ball Bearings
  M-1081	15,875	20,638	12,7	Timken	Needle Roller Bearings
  NA6905	25	42	30	KOYO	Needle Roller Bearings
  NH2340 E	200	420	138	CX	Cylindrical Roller Bearings
  NU211EM	55,000	100,000	21,000	SNR	Cylindrical Roller Bearings
  PSHE45	45		48	NKE	Bearing Units
  RNA4919S	110	130	35	NTN	Needle Roller Bearings
  LS-5	.5000	1.3125	.3750	FAG	DEEP GROOVE BALL BEARINGS
  61907-2RS1	35	55	10	SKF	DEEP GROOVE BALL BEARINGS
  PAPV20	2.5000	5.0000	.9375	RIV	CYLINDRICAL ROLLER BEARINGS
  KLNJ13/8	1.3750	2.5000	.4375	RHP	DEEP GROOVE BALL BEARINGS
  NU-224	120	215	40	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS