Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 61903-2Z

W 61903-2Z

Dimensions

d		17	mm
D		30	mm
B		7	mm
d₁	≈	21	mm
D₂	≈	27.8	mm
r_1,2	min.	0.3	mm

Abutment dimensions

d_a	min.	19	mm
d_a	max.	20.5	mm
D_a	max.	28.5	mm
r_a	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	3.97	kN
Basic static load rating	C₀	2.55	kN
Fatigue load limit	P_u	0.108	kN
Reference speed		50000	r/min
Limiting speed		24000	r/min
Calculation factor	k_r	0.025
Calculation factor	f₀	14.8

Mass

Mass bearing

0.017

Model Number: W 61903-2Z
Inner Diameter：17mm Outer Diameter：30mm Width：7mm
Reference speed:24000 r/min Limiting speed:50000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-04-16
Application:Storage Tool,suction nozzle,Sensors,medical equipment,spectrometer,Power equipment,power source,Energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving energy saving,Traffic Fire Protection Equipment Security equipment,medical equipment,instrument
Similar models:W 61903 61903-2RS1 61903 W 61903 R W 61903-2RS1 W 61903-2RZ W 61903 R-2Z W 61903-2Z 61903-2RZ 61903-2Z
BEARING POWER International Trading Co.,Ltd. specialize in W61903-2Z products，there is large inventory of SKF W 61903-2Z Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the W 61903-2Z Which SKF W61903-2Z 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	Type
6330	150	320	65	Bearings, units and housings
90897	-	-	20	Seals
BTW 35 CTN9/SP	35	62	34	Bearings, units and housings
FSYE 2 7/16-3	61.9125	-	-	Bearings, units and housings
FYWR 1.7/16 YTHR	36.512	-	-	Bearings, units and housings
OKBS 73	73	-	-
SAF 22232	160	-	-	Bearings, units and housings
SAF 22520 x 3.1/2	88.9	-	-	Bearings, units and housings
SAW 23524 x 4.1/4 T	107.95	-	-	Bearings, units and housings
SNW 138x6.13/16	173.0375	240.6396	171.3992	Bearings, units and housings
XHCE 050/OK 150	150	389	-	Coupling systems
YAT 210	50	90	38.8	Bearings, units and housings

Purchase the SKF W 61903-2Z Please fill in the following

Hot number： 120 VS V 160 VA V BD-230/530 CAK/W33-AOH 30/530 35x64x8 CRW1 R 638-2RZ 71920 ACD/HCP4AL 71944 ACD/P4AL FYR 2 11/16 GEM 70 ES-2RS HK 3026 HK 5528 OKCX 330 SSAFS 22515 x 2.1/2 T SSAFS 22530 x 5.1/8 YSP 209 SB-2F