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

61903-2Z

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

0.017

Model Number: 61903-2Z
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：2025-11-27
Application:Optical detection,forklift industry,hydraulic connector,Microwave Equipment,Industrial,hydraulic cylinder,stacker lift platform,pump,plant determination,Plastic molding,EEG
Similar models:W 61903 61903-2RS1 W 61903 R W 61903 R-2Z W 61903-2RZ 61903 W 61903-2RS1 W 61903-2Z 61903-2Z 61903-2RZ
BEARING POWER International Trading Co.,Ltd. specialize in 61903-2Z products，there is large inventory of SKF 61903-2Z Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 61903-2Z Which SKF 61903-2Z 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.

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91331	-	-	57.15	Seals
BT4B 332963 B/HA1	340	520	-	Bearings, units and housings
FNL 520 A	90	-	-	Bearings, units and housings
FYTB 1.11/16 TF	42.862	-	-	Bearings, units and housings
KR 80 XB	-	80	100	Bearings, units and housings
NU 2319 ECJ	95	200	67	Bearings, units and housings
SSAFS 22520 x 3.3/8 TLC	85.725	-	-	Bearings, units and housings

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Hot number： BD-23056 CCK/W33-AOH 3056 316198 471326 5072 80 VA V 87850 GEZ 100 ES-2RS HCRE 020 R IR 10x14x16 NAO 15x28x13 NNU 41/900 M/W33 OKBS 66 SAF 22609 SILKAC 5 M W 619/2.5