d - 17 mm

D - 30 mm

B - 7 mm

d₁ - - 20.4 mm

D₂ - - 27.7 mm

r_1,2 - min. - 0.3 mm

d_a - min. - 19 mm

d_a - max. - 20.3 mm

D_a - max. - 28 mm

r_a - max. - 0.3 mm

Basic dynamic load rating - C - 4.6 kN

Basic static load rating - C₀ - 2.6 kN

Fatigue load limit - P_u - 0.108 kN

Reference speed - 50000 r/min

Limiting speed - 26000 r/min

Calculation factor - k_r - 0.02

Calculation factor - f₀ - 14.7

Mass bearing - 0.018 kg

• Model Number: 61903-2RZ
• Inner Diameter：30mm Outer Diameter：17mm Width：7mm
• Type：Deep Groove Ball Bearings
• Update date：2025-12-10
• Application:garden machinery,Spectrum Products,medical equipment,ventilator anesthesia machine etc,forklift industry,Automation,other lathe,other processing,equipment,agriculture,equipment and
• Similar models:ZEN F61903 SKF 61903-2RZ ZEN 61903-2RS ISO 61903ZZ ZEN S61903 CX 61903-2RS NKE 61903-2Z SKF W61903R-2Z ISB SS61903 SKF W61903-2RS1
• BEARING POWER International Trading Co.,Ltd. specialize in 61903-2RZ products，there is large inventory of SKF 61903-2RZ . We has been built up long-term cooperation with SKF company, could make a bulk order of the 61903-2RZ Which SKF 61903-2RZ 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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  120060/120112XH	60	112,712	73	Gamet	Tapered Roller Bearings
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  BK0710	7	11	10	CX	Cylindrical Roller Bearings
  BRI 203320 UU	31.75	52,388	32	IKO	Needle Roller Bearings
  C4911K30V	55	80	25	SKF	Cylindrical Roller Bearings
  CX616				CX	Wheel Bearings
  F-203482	23,1	32	12,5	FAG	Angular Contact Ball Bearings
  F-800480.ZL-K-C5	380	620	194	FAG	Cylindrical Roller Bearings
  FLR133ZZA	2,38	5,94	2,38	NTN	Deep Groove Ball Bearings
  FNTK-2544	25	44	2,85	KOYO	Needle Roller Bearings
  GEH110XT-2RS	110	160	78	LS	Plain Bearings
  N336-E-M6	180	335	75	NKE	Cylindrical Roller Bearings
  PHU5041	39,7	105,8	93,3	PFI	Angular Contact Ball Bearings
  UCFLX05	25			FYH	Bearing Units
  87513	65	120	1.0236	New Departure	DEEP GROOVE BALL BEARINGS
  70/950MP.UA	950	1360	180	FAG	ANGULAR CONTACT BALL BEARINGS
  32017X	85	130	29	FAG	TAPERED ROLLER BEARINGS
  29356E	280	440		SKF	SPHERICAL ROLLERTHRUST BEARINGS
  SAF615	2.4375			SKF	PILLOW BLOCKS
  240/600CA	600	870	272	SKF	SPHERICAL ROLLER BEARINGS