SKF NNU4976BK/SPW33 Cylindrical roller bearings,SKF NNU 4976 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 4976 BK/SPW33

NNU 4976 BK/SPW33

Dimensions
d 380mm
D 520mm
B 140mm
D1 470.8mm
F 426mm
b 16.7mm
K 9mm
r1,2min.4mm
r3,4min.2.5mm
smax.5.5mm

Tapered bore, taper 1:12

Abutment dimensions
damin.395mm
damax.421mm
Damax.505mm
ramax.3mm
Calculation data
Basic dynamic load ratingC 1450kN
Basic static load ratingC0 3600kN
Fatigue load limitPu 320kN
Attainable speed for grease lubrication  1300r/min
Attainable speed for oil-air lubrication  1500r/min
Mass
Mass bearing  83.5kg
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Hot number： 23167 330990 A 33114 470651 522677 7028 BGM 7044 ACD/P4A 729 ACD/P4A 99339 BT4B 332610/HA1 C 3164 M HE 3128 NUP 310 ECML P 45 TR SAF 22234

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