d - 17 mm

D - 30 mm

B - 7 mm

C - 7 mm

r min. - 0,3 mm

da min. - 19 mm

da max - 19,5 mm

Da max. - 28 mm

ra max. - 0,3 mm

Weight - 0,018 Kg

Basic dynamic load rating (C) - 4,6 kN

Basic static load rating (C0) - 2,55 kN

(Grease) Lubrication Speed - 23000 r/min

Calculation factor (f0) - 14,7

• Model Number: 6903-2RU
• Inner Diameter：17mm Outer Diameter：30mm Width：7mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-14
• Application:engineering machinery,small appliances,milling head plug,Display Devices,linear drive,physical instruments,metallurgical mold,packing equipment,tobacco machinery,machining,Roller
• Similar models:KOYO 6903-2RS NACHI 6903-2NKE NTN 6903N CYSD 6903-2RS ZEN P6903-SB FBJ 6903ZZ CYSD 6903-2RZ NTN 6903LLB FBJ 6903-2RS NSK 6903L11-H-20ZZ
• BEARING POWER International Trading Co.,Ltd. specialize in 6903-2RU products，there is large inventory of KOYO 6903-2RU . We has been built up long-term cooperation with KOYO company, could make a bulk order of the 6903-2RU Which KOYO 6903-2RU 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
  181115/181190G	115	190	108	Gamet	Tapered Roller Bearings
  3003-2RS	17	35	14	ISO	Angular Contact Ball Bearings
  32019	95	145	32	CYSD	Tapered Roller Bearings
  4102-AW	15	38	17	INA	Thrust Ball Bearings
  4R5611	280	390	220	NTN	Cylindrical Roller Bearings
  52218	93	135	62	CX	Thrust Ball Bearings
  6304-2RS	20	52	15	CX	Deep Groove Ball Bearings
  7021C	105	160	26	KOYO	Angular Contact Ball Bearings
  CRBC 20030	200	280	30	ISB	Thrust Roller Bearings
  ESFEE212	60			SNR	Bearing Units
  NUP 207 ECML	72	35	17	SKF	Thrust Ball Bearings
  RNU 1011 ECP	90	64,5	18	SKF	Cylindrical Roller Bearings
  T-48680D/48620/48620D	139,7	200,025	157,165	NTN	Tapered Roller Bearings
  UCFC201	12			FYH	Bearing Units
  BNT018	90	140	24	NTN	ANGULAR CONTACT BALL BEARINGS
  TLAM4016	47		16	IKO	NEEDLE BEARINGS
  53200U				STEYR	THRUST BALL BEARINGS WITH SPHERICAL SEATING RING
  SDAF-240	8.7500	7.6250		CONSOLIDATED	PILLOW BLOCKS
  SDAF-638	6.9375			CONSOLIDATED	PILLOW BLOCKS
  KB-160XPO	16.0000	16.6250	.3125	CONSOLIDATED	FOUR POINT ANGULAR CONTACT BALL BEARINGS