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

W 61903-2RZ

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	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 61903-2RZ
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：2025-12-09
Application:thin metal materials,Gear grinding machine,ECG,engine,Air,standing experimental equipment,electromagnetic clutch,wheel lathe,Broadcasting System,chamfering machine etc,marine analysis
Similar models:W 61903 W 61903-2RS1 61903-2RZ 61903-2RS1 W 61903-2RZ W 61903 R-2Z W 61903 R W 61903-2Z 61903-2Z 61903
BEARING POWER International Trading Co.,Ltd. specialize in W61903-2RZ products，there is large inventory of SKF W 61903-2RZ Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the W 61903-2RZ Which SKF W61903-2RZ 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.

Model No.	Inner Diameter	Outer Diameter	Width	Type
20158	50.8	101.68	11.13	Seals
40x72x10 HMS5 V	40	72	10	Seals
51313	65	115	36	Bearings, units and housings
70/500 BM	500	720	100	Bearings, units and housings
7004 CD/HCP4A	20	42	12	Bearings, units and housings
71920 CD/HCP4AH1	100	140	20	Bearings, units and housings
HA 3024	106.3625	145	72	Bearings, units and housings
LM 770949/910	457.2	603.25	85.725	Bearings, units and housings
NN 3072 K/SPW33	360	540	134	Bearings, units and housings
NUP 317 ECM	85	180	41	Bearings, units and housings
SAF 22526 x 4.5/16	109.5375	-	-	Bearings, units and housings
W 6008-2RS1	40	68	15	Bearings, units and housings

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