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：2024-12-13
Application:gear grinding machine,Solenoid Valves,stamping die and its equipment,nail products,medical equipment,medical equipment,Storage Device,wheel lathe,engineering machinery,pneumatic Pump,hinge industry
Similar models:W 61903-2RS1 W 61903 R-2Z W 61903 R W 61903 61903-2Z 61903 61903-2RZ W 61903-2Z 61903-2RS1 W 61903-2RZ
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Model No.	Inner Diameter	Outer Diameter	Width	Type
20x52x7 HMSA10 V	20	52	7	Seals
3727	9.525	22.23	6.35	Seals
37526	95.25	126.97	9.53	Seals
48x62x8 HMS5 RG	48	62	8	Seals
91391	-	-	20	Seals
AOH 240/500	480	500	253	Bearings, units and housings
NA 4828	140	175	35	Bearings, units and housings
PCM 081012 M	8	10	12	Bearings, units and housings
SNL 3134 ATURT	150.8125	-	-	Bearings, units and housings
SYF 45 TF	45	-	-	Bearings, units and housings
SYWK 1.1/2 YTH	38.1	-	-	Bearings, units and housings
YEL 208-2RF/VL065	40	80	56.3	Bearings, units and housings

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Hot number： 13552 16052 MA 19x30x8 HMSA10 RG 62480 7052 CD/P4A 71903 ACE/HCP4AH 90853 91360 95x140x12 HMSA10 RG KMT 11 N 207 ECP PCM 081010 M S7009 CE/HCP4A SAF 22634 x 5.13/16 TLC Z 203 F