Bearings, units and housings -- Roller bearings -- Cylindrical roller bearings -- Single row cylindrical roller bearings -- Cylindrical roller bearings, single row SKF NU 20/630 ECMA

NU 20/630 ECMA

Dimensions

d		630	mm
D		920	mm
B		170	mm
D₁	≈	832	mm
F		699	mm
r_1,2	min.	7.5	mm
s	max.	8.7	mm

Abutment dimensions

d_a	min.	658	mm
d_a	max.	690	mm
d_b	min.	705	mm
D_a	max.	892	mm
r_a	max.	6	mm

Calculation data

Basic dynamic load rating	C	4730	kN
Basic static load rating	C₀	9500	kN
Fatigue load limit	P_u	670	kN
Reference speed		560	r/min
Limiting speed		850	r/min
Calculation factor	k_r	0.14
Limiting value	e	0.3
Axial load factor	Y	0

Mass

Mass bearing

400

Model Number: NU 20/630 ECMA
Inner Diameter：630mm Outer Diameter：920mm Width：170mm
Reference speed:850 r/min Limiting speed:560 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：2021-06-08
Application:Gear grinding machine,instrumentation instrument,aerial work platform,Storage Tool,car shock absorber,industrial equipment,chromatography,municipal machinery,Grinding and polishing equipment,Traffic Fire Protection Equipment Security equipment,heating fans
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