Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF W 618/4

W 618/4

Dimensions

d		4	mm
D		9	mm
B		2.5	mm
d₁	≈	5.2	mm
D₁	≈	7.5	mm
r_1,2	min.	0.1	mm

Abutment dimensions

d_a	min.	4.8	mm
d_a	max.	5.1	mm
D_a	max.	8.2	mm
r_a	max.	0.1	mm

Calculation data

Basic dynamic load rating	C	0.364	kN
Basic static load rating	C₀	0.114	kN
Fatigue load limit	P_u	0.005	kN
Reference speed		140000	r/min
Limiting speed		85000	r/min
Calculation factor	k_r	0.02
Calculation factor	f₀	6.5

Mass

Mass bearing

0.0006

Model Number: W 618/4
Inner Diameter：4mm Outer Diameter：9mm Width：2.5mm
Reference speed:85000 r/min Limiting speed:140000 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-04-16
Application:sterilizers,stirrer,Traffic Fire Protection Equipment Security equipment,supporting facilities,security equipment,clean stationery,ECG,food packaging,miscellaneous instruments,reinforced machinery,Industrial
Similar models:W 61818-2Z 61822-2RZ 618/850 MA W 61814 61814-2RS1 W 61808 R W 61811-2RZ 61838 618/950 MA W 618/2 XR
BEARING POWER International Trading Co.,Ltd. specialize in W618/4 products，there is large inventory of SKF W 618/4 Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the W 618/4 Which SKF W618/4 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.

Model No.	Inner Diameter	Outer Diameter	Width	Type
16007/HR22Q2	35	62	9	Bearings, units and housings
400061	5	-	-	Seals
401905	171	-	-	Seals
466953	380	520	65	Bearings, units and housings
52x68x8 HMS5 V	52	68	8	Seals
75x100x10 CRW1 R	75	100	10	Seals
81117 TN	85	110	19	Bearings, units and housings
BEAM 020068-2RZ	20	68	28	Bearings, units and housings
HK 3020	30	37	20	Bearings, units and housings
K 52x57x12	52	57	12	Bearings, units and housings
SAFS 22517 x 2.7/8 T	73.025	-	-	Bearings, units and housings
SD 22x30x4	22	30	4	Seals

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Hot number： 15532 17284 23148-2CS5K/VT143 29472 EM 470336 54208 + U 208 6311-2RS1 PCZ 2816 M RN-5x34.8 BF/G2 S71912 ACD/P4A SAFS 22522 x 3.13/16 T SNL 3084 G SYE 2 3/4 N W 619/8-2RS1 WS 89438