SKF NNU4944BK/SPW33 Cylindrical roller bearings,SKF NNU 4944 BK/SPW33 Super-precision bearings-BEARINGPOWER Co.,Ltd.
Bearings, units and housings -- Super-precision bearings -- Cylindrical roller bearings -- Cylindrical roller bearings, double row, super-precision -- SKF NNU 4944 BK/SPW33

NNU 4944 BK/SPW33

Dimensions
d 220mm
D 300mm
B 80mm
D1 272.2mm
F 245mm
b 11.1mm
K 3mm
r1,2min.2.1mm
r3,4min.1.1mm
smax.3.7mm

Tapered bore, taper 1:12

Abutment dimensions
damin.231mm
damax.242mm
Damax.289mm
dn 247mm
Calculation data
Basic dynamic load ratingC 512kN
Basic static load ratingC0 1140kN
Fatigue load limitPu 114kN
Attainable speed for grease lubrication  2400r/min
Attainable speed for oil-air lubrication  2800r/min
Reference grease quantityGref 150cm³
Static radial stiffness (guideline value)  5990N/µm
Mass
Mass bearing  16.5kg
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Hot number： 23056 CCK/W33 319428 DA-2LS 36x58x10 HMS5 RG 36x50x7 HMS5 RG 406004 7002 CD/HCP4AH 7024 ACD/P4AL 7024 CB/HCP4AL 71921 CD/P4AH1 7308 BECBP 90814 AHX 3126 GS 81112 NA 4908.2RS SAF 1617 x 3 T

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