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

W 61903 R-2Z

Dimensions

d		17	mm
D		30	mm
B		7	mm
d₁	≈	21	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		24000	r/min
Calculation factor	k_r	0.025
Calculation factor	f₀	14.8

Mass

Mass bearing

0.019

Model Number: W 61903 R-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：2026-07-31
Application:Other Machine Tools,air shower etc,security equipment,raw material accessories,wheel lathe,decoration machinery,electronic components,heating fans,equipment,Anti-defibrillation pacing,static control
Similar models:61903-2RZ W 61903 R-2Z 61903-2RS1 W 61903-2RZ W 61903 W 61903 R 61903 61903-2Z W 61903-2Z W 61903-2RS1
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Model No. Inner Diameter Outer Diameter Width Type

2050557
60x82x12 HMSA10 V
FYTB 1.15/16 WDW
NU 2268 MA
SNLN 3024

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

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Model No.	Inner Diameter	Outer Diameter	Width	Type
2050557
60x82x12 HMSA10 V
FYTB 1.15/16 WDW
NU 2268 MA
SNLN 3024