Bearings, units and housings -- Ball bearings -- Deep groove ball bearings -- Deep groove ball bearings -- SKF 618/670 TN

618/670 TN

Dimensions

d		670	mm
D		820	mm
B		69	mm
d₁	≈	718.3	mm
D₁	≈	771.25	mm
r_1,2	min.	4	mm

Abutment dimensions

d_a	min.	685	mm
D_a	max.	805	mm
r_a	max.	3	mm

Calculation data

Basic dynamic load rating	C	436	kN
Basic static load rating	C₀	965	kN
Fatigue load limit	P_u	15	kN
Reference speed		1300	r/min
Limiting speed		800	r/min
Calculation factor	k_r	0.015
Calculation factor	f₀	17.4

Mass

Mass bearing

Model Number: 618/670 TN
Inner Diameter：670mm Outer Diameter：820mm Width：69mm
Reference speed:800 r/min Limiting speed:1300 r/min
Type：Bearings, units and housings Ball bearings Deep groove ball bearings Deep groove ball bearings
Details： Deep groove ball bearings
Update date：2026-06-25
Application:ventilator anesthesia machine etc,standing experimental equipment,Forklift industry,plastic molding,air conditioning tools,circulating pump,stacker lift platform,woodworking machinery,Logistics Equipment,horizontal processing,sewage pump
Similar models:61838 61812 SAF 1618 T W 618/7 PPM 161815 W 61806 R-2Z 61813-2RZ 61832 W 61801 R-2ZS 61805-2RZ
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Model No. Inner Diameter Outer Diameter Width Type

11930
16650
K 24x30x31 ZW
NA 4828
P 85 R-40 WF

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Model No.	Inner Diameter	Outer Diameter	Width	Type
11930
16650
K 24x30x31 ZW
NA 4828
P 85 R-40 WF