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

W 61903

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		32000	r/min
Calculation factor	k_r	0.025
Calculation factor	f₀	14.8

Mass

Mass bearing

0.015

Model Number: W 61903
Inner Diameter：17mm Outer Diameter：30mm Width：7mm
Reference speed:32000 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：2026-04-20
Application:universal category,Forging machine,instrumentation instrument,reinforced machinery,power tools,experimental equipment,Machine Tool Accessories,gear type,sheet industry,flow control valve,Hair styling device
Similar models:W 61903 61903-2Z 61903 W 61903-2RS1 61903-2RS1 W 61903 R W 61903 R-2Z W 61903-2RZ 61903-2RZ W 61903-2Z
BEARING POWER International Trading Co.,Ltd. specialize in W61903 products，there is large inventory of SKF W 61903 Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the W 61903 Which SKF W61903 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
3208 A	40	80	30.2	Bearings, units and housings
45140	114.3	155.6	14.3	Seals
600 VL R	540	-	-	Seals
7320 BECBY	100	215	47	Bearings, units and housings
891/950 M	950	1120	103	Bearings, units and housings
C 4024 V	120	180	60	Bearings, units and housings
KMT 7	22	-	35	Bearings, units and housings
KRV 72 PPXA	-	72	80	Bearings, units and housings
RSTO 20	25	47	15.8	Bearings, units and housings
SAFS 22218-11 TLC	90	-	-	Bearings, units and housings
SAW 23530 x 5.1/4 TLC	133.35	-	-	Bearings, units and housings
W 6300	10	35	11	Bearings, units and housings

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