Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 619/4-2Z

W 619/4-2Z

Dimensions

d		4	mm
D		11	mm
B		4	mm
d₂	≈	5.6	mm
D₂	≈	9.85	mm
r_1,2	min.	0.15	mm

Abutment dimensions

d_a	min.	5.2	mm
d_a	max.	5.5	mm
D_a	max.	10	mm
r_a	max.	0.15	mm

Calculation data

Basic dynamic load rating	C	0.54	kN
Basic static load rating	C₀	0.176	kN
Fatigue load limit	P_u	0.008	kN
Reference speed		130000	r/min
Limiting speed		63000	r/min
Calculation factor	k_r	0.025
Calculation factor	f₀	6.4

Mass

Mass bearing

0.0016

Model Number: W 619/4-2Z
Inner Diameter：4mm Outer Diameter：11mm Width：4mm
Reference speed:63000 r/min Limiting speed:130000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-04-17
Application:rolling mill roll neck and slowdown device,hydraulic cylinder buffer,bathroom facilities,tower crane,industrial supplies,Oral Image,molding machine,medical treatment,food / grain / food equipment,motor,flexible processing
Similar models:61903-2Z 61915-2RS1 W 619/4 R-2RS1 61902-2Z W 61917-2RS1 619/850 MA W 61903-2Z W 619/4 61928 61907-2RS1
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Model No.	Inner Diameter	Outer Diameter	Width	Type
35x56x10 HMS5 V	35	56	10	Seals
40x58x7 HMS5 RG	40	58	7	Seals
40x90x12 HMS5 RG	40	90	12	Seals
FSAF 1617 x 2.13/16	71.4375	-	-	Bearings, units and housings
FYRP 3 7/16-3	87.3125	-	-	Bearings, units and housings
H 2330 L	135	150	139	Bearings, units and housings
NUP 216 ECP	80	140	26	Bearings, units and housings
NCF 28/900 V	900	1090	112	Bearings, units and housings
NJ 312 ECML	60	130	31	Bearings, units and housings
PCM 180185100 E	180	185	100	Bearings, units and housings
SAFS 22232	160	-	-	Bearings, units and housings
W 623-2RZ	3	10	4	Bearings, units and housings

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Hot number： 1050524 11673 12427 12x35x7 CRW1 R 16046 20952 30x47x10 HMSA10 V 400165 62572 FYTB 1.3/16 TDW G 14x20x3 SAF 1622 x 4 SAFS 22217 SILQG 160 ES YET 205-100