d - 17 mm

Fw - 22 mm

D - 30 mm

B - 18 mm

C - 18 mm

r min. - 0,3 mm

Weight - 0,052 Kg

Basic dynamic load rating (C) - 15,2 kN

Basic static load rating (C0) - 21,9 kN

(Oil) Lubrication Speed - 20000 r/min

• Model Number:NA5903
• Inner Diameter：17mm Outer Diameter：30mm Width：18mm
• Type：Needle Roller Bearings
• Update date：2026-01-02
• Application:Switch,other processing,engineering machinery,hydraulic control element,Infrared Technology,electric pump,Leather Products,surgical instruments,Plastic Equipment,casting embedding,economic mold
• Similar models:JNS RNA5903 JNS NA5903 NSK RNA5903 NTN RNA5903 CX NA5903 KOYO RNA5903 CX RNA5903 IKO TAFI659035 ISO RNA5903 KOYO NA5903
• BEARING POWER International Trading Co.,Ltd. specialize in NA5903 products，there is large inventory of KOYO NA5903 . We has been built up long-term cooperation with KOYO company, could make a bulk order of the NA5903 Which KOYO NA5903 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
  1206 EKTN9 + H 206	62	25	27	SKF	Self-Aligning Ball Bearings
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  51209	45,000	73,000	20,000	NTN-SNR	Thrust Ball Bearings
  7207 C-UX	35	72	34	CX	Angular Contact Ball Bearings
  7232C	160,000	290,000	48,000	NTN	Angular Contact Ball Bearings
  GN102KLLB	28,575	72	36,51	Timken	Deep Groove Ball Bearings
  JT-1613	25,4	31,75	20,62	Timken	Needle Roller Bearings
  KL68149-L68110	34,988	59,131	15,875	FAG	Tapered Roller Bearings
  NAO-15×28×13	15	24		NTN	Needle Roller Bearings
  NJ1007	35	62	14	ISO	Cylindrical Roller Bearings
  BA2012ZOH			.7500	IKO	NEEDLE BEARINGS
  HML77T			37	SKF	WITHDRAWAL NUTS
  W6304-2RS1	20	52	15	SKF	DEEP GROOVE BALL BEARINGS
  7011CDHCP4A	55	90	18	SKF	ANGULAR CONTACT BALL BEARINGS
  511/530				SKF	THRUST BALL BEARINGS
  53230U				STEYR	THRUST BALL BEARINGS WITH SPHERICAL SEATING RING
  NU206E	30	62	16	Torrington	CYLINDRICAL ROLLER BEARINGS
  SNZ-306..1306	30	25	52	CONSOLIDATED	PILLOW BLOCKS
  FYT-104X	1.2500			CONSOLIDATED	PILLOW BLOCKS