d - 17 mm

Fw - 22 mm

D - 30 mm

B - 23 mm

C - 23 mm

r min. - 0,3 mm

da min. - 19 mm

Da max. - 28 mm

ra max. - 0,3 mm

Weight - 0,068 Kg

Basic dynamic load rating (C) - 20,7 kN

Basic static load rating (C0) - 32,5 kN

(Grease) Lubrication Speed - 12000 r/min

(Oil) Lubrication Speed - 20000 r/min

• Model Number:NA6903
• Inner Diameter：17mm Outer Diameter：30mm Width：23mm
• Type：Needle Roller Bearings
• Update date：2025-12-16
• Application:Sensors,surgical instruments,chamfer,electrocardiograph,embroidery cloth,floor industry,equipment,Industrial Adhesive,mechanical and electrical,packing equipment,plastic rolling
• Similar models:CRAFT NA6903-2RS NSK NA6903TT IKO RNA6903U IKO NA6903U JNS RNA6903UU INA NA6903 NBS RNA6903 KOYO RNA6903 NTN RNA6903R INA NA6903-XL
• BEARING POWER International Trading Co.,Ltd. specialize in NA6903 products，there is large inventory of NSK NA6903 . We has been built up long-term cooperation with NSK company, could make a bulk order of the NA6903 Which NSK NA6903 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
  25FSF42	25	42	20	NSK	Plain Bearings
  6034	170	260	42	CX	Deep Groove Ball Bearings
  608ZZ	8	22	7	FBJ	Deep Groove Ball Bearings
  6317-2Z	85	180	41	FAG	Deep Groove Ball Bearings
  EE113091/113170	228,46	431,8	92,075	NSK	Cylindrical Roller Bearings
  7200 C-UX	10	30	18	CX	Angular Contact Ball Bearings
  BS2-2216-2RSK/VT143	140	80	40	SKF	Spherical Roller Bearings
  M-951	14,288	19,05	7,92	Timken	Needle Roller Bearings
  NKX30	30	42	30	SKF	Complex Bearings
  TAM 2510	25	33	10	IKO	Needle Roller Bearings
  TUP1 250.100	250	255		CX	Plain Bearings
  XUA32215/YSB32215R	75	130	26,25	Timken	Tapered Roller Bearings
  LLRJN14E	14.0000	21.5000	2.8750	R&M	CYLINDRICAL ROLLER BEARINGS
  NAKD30	12	30	14	FAG (Old No.)	NEEDLE BEARINGS
  6240K	200	360	58	SKF	DEEP GROOVE BALL BEARINGS
  93448	.8750	1.2500	3.0000	Hyatt	JOURNAL ROLLER ASSEMBLIES
  K-55x63x15	55	63	15	CONSOLIDATED	NEEDLE BEARINGS
  98740	1.2500	2.2500	2.5000	CONSOLIDATED	JOURNAL ROLLER ASSEMBLIES
  11/2x19/16x23/4	1.5000	1.5625	2.7500	CONSOLIDATED	JOURNAL ROLLER BEARING OUTER RACES
  NNCL-4912V	60	85	25	CONSOLIDATED	CYLINDRICAL ROLLER BEARINGS