Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF 618/630 MA

618/630 MA

Dimensions

d		630	mm
D		780	mm
B		69	mm
d₁	≈	678.3	mm
D₁	≈	731.45	mm
r_1,2	min.	4	mm

Abutment dimensions

d_a	min.	645	mm
D_a	max.	765	mm
r_a	max.	3	mm

Calculation data

Basic dynamic load rating	C	442	kN
Basic static load rating	C₀	965	kN
Fatigue load limit	P_u	15.3	kN
Reference speed		1400	r/min
Limiting speed		1100	r/min
Calculation factor	k_r	0.015
Calculation factor	f₀	17

Mass

Mass bearing

Model Number: 618/630 MA
Inner Diameter：630mm Outer Diameter：780mm Width：69mm
Reference speed:1100 r/min Limiting speed:1400 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-07-29
Application:medical treatment,office equipment,other CNC,expectoration machine,industrial supplies,extruder,tobacco machinery,Traffic Fire Protection Equipment Security equipment,dynamic blood pressure,spectrometer,transistor fittings
Similar models:W 618/8-2Z 61803-2RS1 61808-2RZ SAF 22618 x 3.1/16 W 61813-2Z W 61801 R-2ZS PPM 161815 W 618/1.5 61884 MA W 61810 R
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Model No. Inner Diameter Outer Diameter Width Type

6020-2RS1
99359
OKCX 730
S7014 CE/HCP4A
SYE 2 1/2 3

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Model No.	Inner Diameter	Outer Diameter	Width	Type
6020-2RS1
99359
OKCX 730
S7014 CE/HCP4A
SYE 2 1/2 3