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

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.	4.6	mm
D_a	max.	8.4	mm
r_a	max.	0.1	mm

Calculation data

Basic dynamic load rating	C	0.423	kN
Basic static load rating	C₀	0.116	kN
Fatigue load limit	P_u	0.005	kN
Reference speed		140000	r/min
Limiting speed		85000	r/min
Calculation factor	k_r	0.015
Calculation factor	f₀	6.5

Mass

Mass bearing

0.0007

Model Number: 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:paint paint,Plastic Equipment,shoe-making machinery,office outdoor camping equipment,labor insurance,Equipment,security equipment,sheet industry,defogging and degreasing,Rolling mill,Food testing
Similar models:W 61805-2Z 61814-2RS1 W 61801 SAF 22618 x 3.1/4 T W 61803-2RZ 61817-2RS1 61820-2RS1 61801-2RS1 W 61801-2RZ 61817
BEARING POWER International Trading Co.,Ltd. specialize in 618/4 products，there is large inventory of SKF 618/4 Deep groove ball bearings. We has been built up long-term cooperation with SKF company, could make a bulk order of the 618/4 Which SKF 618/4 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
3309 A-2RS1	45	100	39.7	Bearings, units and housings
52648	133.35	171.45	12.7	Seals
565834	552.45	-	-	Seals
71813 ACD/P4	65	85	10	Bearings, units and housings
8060	20.6502	34.93	9.53	Seals
EE 2 TN9	6.35	19.05	5.556	Bearings, units and housings
BT4-8057 G/HA1VA901	304.8	419.1	-	Bearings, units and housings
D/W RW1810 R	7.938	12.7	4.762	Bearings, units and housings
N 321 ECP	105	225	49	Bearings, units and housings
SAKAC 10 M	10	-	14	Bearings, units and housings
SCF 110 ES	110	-	70	Bearings, units and housings
SNL 206-305	30	-	-	Bearings, units and housings

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Hot number： 11422 12379 22424 370 VRME R 38774 471021 51160 M 62202-2RS1 65x100x8 CRW1 V BT2B 332497/HA4 FYE 3 11/16 FYR 3-18 K 80x86x20 KMD 6 SSAFS 23044 KA x 7.7/8