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

61903-2RZ

Dimensions

d		17	mm
D		30	mm
B		7	mm
d₁	≈	20.4	mm
D₂	≈	27.7	mm
r_1,2	min.	0.3	mm

Abutment dimensions

d_a	min.	19	mm
d_a	max.	20.3	mm
D_a	max.	28	mm
r_a	max.	0.3	mm

Calculation data

Basic dynamic load rating	C	4.62	kN
Basic static load rating	C₀	2.55	kN
Fatigue load limit	P_u	0.108	kN
Reference speed		50000	r/min
Limiting speed		26000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	14.7

Mass

Mass bearing

0.018

Model Number: 61903-2RZ
Inner Diameter：17mm Outer Diameter：30mm Width：7mm
Reference speed:26000 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:circulating pump,wall industry,food packaging,root canal filling,food testing,vertical pull,pneumatic,electromyography machine,Storage Device,pump,chamfer
Similar models:W 61903-2RS1 W 61903 W 61903-2RZ 61903-2Z W 61903 R-2Z W 61903-2Z 61903 61903-2RZ 61903-2RS1 W 61903 R
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Model No.	Inner Diameter	Outer Diameter	Width	Type
BD-230/900 CAK/W33-OH 30/900 H	850	1280	280	Bearings, units and housings
250x285x15 HMS5 RG	250	285	15	Seals
350x380x16 HDS2 V	350	380	16	Seals
420006	1810	-	-	Seals
7201 ACD/P4A	12	32	10	Bearings, units and housings
71802 ACD/P4	15	24	5	Bearings, units and housings
7310 BEP	50	110	27	Bearings, units and housings
75x95x10 HMS5 V	75	95	10	Seals
90778	-	-	25.4	Seals
OKBS 118	118	-	-
RN-2.5x17.8 BF/G2	-	-	2.5	Bearings, units and housings
S71901 ACD/HCP4A	12	24	6	Bearings, units and housings

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