Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Single row cylindrical roller bearings -- Cylindrical roller bearings, single row SKF NJ 18/630 ECMA/HB1

NJ 18/630 ECMA/HB1

Dimensions

d		630	mm
D		780	mm
B		69	mm
d₁	≈	682	mm
D₁	≈	724	mm
F		667	mm
r_1,2	min.	4	mm
s	max.	1.5	mm

Abutment dimensions

d_a	min.	645	mm
d_a	max.	662	mm
d_b	min.	685	mm
D_a	max.	765	mm
r_a	max.	3	mm

Calculation data

Basic dynamic load rating	C	1100	kN
Basic static load rating	C₀	2500	kN
Fatigue load limit	P_u	183	kN
Reference speed		750	r/min
Limiting speed		950	r/min
Calculation factor	k_r	0.1
Limiting value	e	0.2
Axial load factor	Y	0.6

Mass

Mass bearing

Model Number: NJ 18/630 ECMA/HB1
Inner Diameter：630mm Outer Diameter：780mm Width：69mm
Reference speed:950 r/min Limiting speed:750 r/min
Type：Bearings, units and housings Roller bearings Cylindrical roller bearings Single row cylindrical roller bearings
Details： Single row cylindrical roller bearings Cylindrical roller bearings, single row
Update date：2024-12-13
Application:Broadcasting System,rubber products machinery and equipment,flexible processing,magnetic elements,Pneumatic Control Elements,ventilation equipment,plastic rolling,aerial work platform,Gas turbine,forklift industry,rolling machine
Similar models:SONL 218-518 6318-RS1 PCM 161815 E PSM 141810 A51 718/750 ACMB BK 2518 RS SAF 22618 x 3.1/4 T 7318 BEGAY 81118 TN 71918 CE/P4AL
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