d - 20 mm

Fw - 25 mm

D - 37 mm

B - 31 mm

C - 30 mm

r min. - 0,3 mm

da min. - 22 mm

da max - 24 mm

Da max. - 35 mm

Weight - 0,0685 Kg

Basic dynamic load rating (C) - 33 kN

Basic static load rating (C0) - 30,6 kN

Limiting speed - 7 500 r/min

• Model Number:NA 6903U
• Inner Diameter：20mm Outer Diameter：37mm Width：31mm
• Type：Needle Roller Bearings
• Update date：2025-12-30
• Application:journal lathe,woodworking machinery,chemical instruments,sterilizers,equipment and,physical instruments,roller lathe,squeeze machine etc,rubber products machinery and equipment,ECG,intermediate
• Similar models:NSK RNA6903 CX RNA6903 NSK NA6903 INA RNA6903 IKO NA6903U IKO RNA6903UU NTN RNA6903R Timken NA6903 IKO RNA6903U NSK RNA6903TT
• BEARING POWER International Trading Co.,Ltd. specialize in NA6903U products，there is large inventory of IKO NA 6903U . We has been built up long-term cooperation with IKO company, could make a bulk order of the NA 6903U Which IKO NA6903U 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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  212W	60	110	22	Timken	Deep Groove Ball Bearings
  21318 KCW33+AH318	90	190	43	ISO	Spherical Roller Bearings
  22211CW33	55	100	25	AST	Spherical Roller Bearings
  6318 M	190	90	43	SKF	Deep Groove Ball Bearings
  634-RZ	16	4	5	SKF	Deep Groove Ball Bearings
  7328 CDT	140	300	124	ISO	Angular Contact Ball Bearings
  EE420800D/421450	203,2	368,3	158,75	Timken	Tapered Roller Bearings
  LM501349/LM501310	41.275	73.431	19.558	NACHI	Tapered Roller Bearings
  NJ 312 ECML	130	60	31	SKF	Thrust Ball Bearings
  NN3013	65	100	26	KOYO	Cylindrical Roller Bearings
  NU 3084 ECMA	620	420	150	SKF	Thrust Ball Bearings
  SYK 35 TD	35	45	27	SKF	Bearing Units
  XLJ 9.1/2	241,3	323,85	41,28	SIGMA	Deep Groove Ball Bearings
  XR678052	330,2	457,2	63,5	Timken	Thrust Roller Bearings
  C1836HCUL	180	225	22	Barden	ANGULAR CONTACT BALL BEARINGS
  52413				SKF	THRUST BALL BEARINGS
  FL682	2	5	1.5	NTN	DEEP GROOVE BALL BEARINGS
  89312			9	CONSOLIDATED	THRUST ROLLER BEARINGS
  1x11/16x13/4	1.0000	1.0625	1.7500	CONSOLIDATED	JOURNAL ROLLER BEARING OUTER RACES
  NX-30-Z	42	30		CONSOLIDATED	NEEDLE BEARINGS