SKF NNU4928BK/SPW33 Cylindrical roller bearings,SKF NNU 4928 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 4928 BK/SPW33

NNU 4928 BK/SPW33

Dimensions
d 140mm
D 190mm
B 50mm
D1 172mm
F 156mm
b 5.5mm
K 3mm
r1,2min.1.5mm
r3,4min.1mm
smax.2.2mm

Tapered bore, taper 1:12

Abutment dimensions
damin.147mm
damax.154mm
Damax.182mm
dn 157mm
Calculation data
Basic dynamic load ratingC 190kN
Basic static load ratingC0 400kN
Fatigue load limitPu 41.5kN
Attainable speed for grease lubrication  4000r/min
Attainable speed for oil-air lubrication  4500r/min
Reference grease quantityGref 45cm³
Static radial stiffness (guideline value)  3670N/µm
Mass
Mass bearing  4.1kg
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Hot number： 25714 32501 332169 A 61907 65x100x10 HMS5 V 85019 AXK 150190 BD-C 3030 KV-H 3030 GS 89417 HM 3060 NCF 2922 CV NNC 4852 CV RN-5x25.8 BF/G2 SI 50 TXE-2LS W 639/2 R-2Z

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