d - 17 mm

Fw - 22 mm

D - 30 mm

B - 13 mm

C - 13 mm

r5 min. - 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：2023-03-11
• Application:Oral Image,pipe fittings Steel industry,building decoration raw materials and accessories,mechanical annex,food packaging,pneumatic,thread processing machine,non-ferrous metal alloy,forming machine,Small air generators,Chromatography Products
• Similar models:INA RNA4903 NTN NA4903LL NTN RNA4903LL SKF RNA4903RS AST RNA4903 ISO RNA4903-2RS IKO NA4903 NTN RNA4903L INA RNA4903-2RSR NBS NA49032RS
• BEARING POWER International Trading Co.,Ltd. specialize in NA4903 products，there is large inventory of KOYO NA4903 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the NA4903 Which KOYO 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.

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  6011	55	90	18	NACHI	Deep Groove Ball Bearings
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  865XR/854	85		57,531	KOYO	Tapered Roller Bearings
  BH-2216	34.925	44.450	25.40	KOYO	Needle Roller Bearings
  FYJ 40 TF	40			SKF	Bearing Units
  K17X22X20FH	17	22		Timken	Needle Roller Bearings
  LL205442/LL205410	46,038	77,788	12,7	Timken	Tapered Roller Bearings
  NU2340	200	420	138	NTN	Cylindrical Roller Bearings
  PASEY40-N	40		48	NKE	Bearing Units
  SIL50ES-2RS	50			SKF	Plain Bearings
  TA 2428 Z	24	31	28	IKO	Needle Roller Bearings
  UCC209	45		49,2	FYH	Bearing Units
  W 61900-2RZ	22	10	6	SKF	Deep Groove Ball Bearings
  TWC4860	3.0000	3.7500		INA	THRUST NEEDLE BEARINGS
  NUP305	25	62	17	SKF	CYLINDRICAL ROLLER BEARINGS
  6818ZZ	90	115	13	NSK	DEEP GROOVE BALL BEARINGS
  SSUCFT211-32	2.0000			Peer	STAINLESS STEEL PILLOW BLOCKS
  7010CDP4GA	50	80	16	SKF	ANGULAR CONTACT BALL BEARINGS
  BK-1214RS	18		14	CONSOLIDATED	NEEDLE BEARINGS