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

W 61903 R

Dimensions

d		17	mm
D		30	mm
B		7	mm
d₁	≈	21	mm
D₁	≈	26.8	mm
D₂	≈	27.8	mm
D₃		32.5	mm
C		1.5	mm
r_1,2	min.	0.3	mm

Abutment dimensions

d_a	min.	19	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

0.018

Model Number: W 61903 R
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：2026-06-24
Application:special broaching machine,electronic materials,bag machine,paper processing machine,Flame Cutting,EEG,tobacco machinery,Laser Devices,medical equipment,non-ferrous metal alloy,rehabilitation training equipment
Similar models:61903 W 61903 R-2Z W 61903 R 61903-2RZ 61903-2Z W 61903-2RS1 61903-2RS1 W 61903-2RZ W 61903 W 61903-2Z
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Model No. Inner Diameter Outer Diameter Width Type

206 NR
400125
71911 CD/HCP4AL
MS 30/950
T4CB 140

Purchase the SKF W 61903 R Please fill in the following

Hot number： 1240 VRME R 23096 CA/W33 3204 A 340x390x25 HDS1 R 403502 71911 ACD/HCP4A 7224 ACD/P4A C 30/800 MB K 60x68x30 ZW NUP 2312 ECP P 3/4 TR PCM 141615 M PCZ 3632 E SAF 1513 x 2.1/8 W 638/9-2Z

Model No.	Inner Diameter	Outer Diameter	Width	Type
206 NR
400125
71911 CD/HCP4AL
MS 30/950
T4CB 140