SKF NNU4938B/SPW33 Cylindrical roller bearings,SKF NNU 4938 B/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 4938 B/SPW33

NNU 4938 B/SPW33

Dimensions
d 190mm
D 260mm
B 69mm
D1 236mm
F 212mm
b 8.3mm
K 3mm
r1,2min.2mm
smax.1.1mm
Abutment dimensions
damin.200mm
damax.209mm
dbmin.215mm
Damax.250mm
ramax.2mm
dn 213mm
Calculation data
Basic dynamic load ratingC 402kN
Basic static load ratingC0 880kN
Fatigue load limitPu 90kN
Attainable speed for grease lubrication  2800r/min
Attainable speed for oil-air lubrication  3200r/min
Reference grease quantityGref 85cm³
Static radial stiffness (guideline value)  5380N/µm
Mass
Mass bearing  11kg
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Hot number： 239509 FA 403002 71920 ACE/P4A FYTBK 20 TF GEC 500 FBAS PBMF 13015090 M1G1 PCM 606540 E S7015 CD/P4A S71924 ACE/P4A SA 12 C SAF 22632 x 5.3/8 TLC SAFS 22522 x 3.7/8 SAFS 23044 KAT x 7.15/16 SIL 12 C SYE 2 11/16 N

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