SKF NNU4960BK/SPW33 Cylindrical roller bearings,SKF NNU 4960 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 4960 BK/SPW33

NNU 4960 BK/SPW33

Dimensions
d 300mm
D 420mm
B 118mm
D1 379mm
F 339mm
b 16.7mm
K 3mm
r1,2min.3mm
r3,4min.1.1mm
smax.5.5mm

Tapered bore, taper 1:12

Abutment dimensions
damin.313mm
damax.335mm
Damax.407mm
dn 362mm
Calculation data
Basic dynamic load ratingC 1020kN
Basic static load ratingC0 2360kN
Fatigue load limitPu 224kN
Attainable speed for grease lubrication  1800r/min
Attainable speed for oil-air lubrication  2000r/min
Reference grease quantityGref 420cm³
Static radial stiffness (guideline value)  8050N/µm
Mass
Mass bearing  50kg
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Hot number： 23232 CCK/W33 6208-2Z 7019 CB/HCP4AL 7226 CD/HCP4A FY 507 M FSNL 316 TURU G 16x25x3 NKI 28/30 S7004 CD/P4A SAF 22513-210 SAFS 23044 KATLC x 7.15/16 SALKAC 8 M SILJ 50 ES SY 60 WF SYFWK 20 LTHR

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