Product Details

skf NKX 20 Combined needle roller bearings,Needle roller/thrust rolling bearings

Brand Name skf
Model Number NKX 20
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

skf NKX 20 bearing Size Chart (mm/inches)

Bearing number30317U
Size (mm)85x180x44.5
Bore Diameter (mm)85
Outer Diameter (mm)180
Width (mm)44,5
d85 mm
D180 mm
T44,5 mm
B41 mm
C34 mm
ra1 max.2,5 mm
a35,5 mm
r min.4 mm
r1 min.3 mm
da min.103 mm
Da min156 mm
Da max.166 mm
db max.107 mm
Db min.167 mm
ra max.3 mm
Sa5 mm
Sb10,5 mm
Weight5,2 Kg
Basic dynamic load rating (C)305 kN
Basic static load rating (C0)365 kN
(Grease) Lubrication Speed2 100 r/min
(Oil) Lubrication Speed2 900 r/min
Calculation factor (e)0,35
Calculation factor (Y0)0,96
d1128.5 mm
rs min4 mm
r1s min3 mm
e0.35
Y21.74
Y00.96
Mass5.2 kg
ISO 355 referenceT2GB085
Dynamic load, C305 kN
Rating life coefficient, A21
Static load, C0365 kN
Fatigue limit load, Cu40.7 kN
Nlim (oil)2,900 rpm
Nlim (grease)2,100 rpm
Min operating temperature, Tmin-40 °C
Max operating temperature, Tmax120 °C
Characteristic cage frequency, FTF0.41 Hz
Characteristic rolling element frequency, BSF5.27 Hz
Characteristic outer ring frequency, BPF06.16 Hz
Characteristic inner ring frequency, BPFI8.84 Hz
da max107 mm
db min103 mm
Da max166 mm
Db min167 mm
Ca min5 mm
Cb min10.5 mm
ra max3 mm
r1a max2.5 mm
CategoryBearings
Inventory0.0
Manufacturer NameNTN
Minimum Buy QuantityN/A
Weight / Kilogram0
EAN4547359526592
Product GroupB04334
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