Product Details

NTN SF3618 DB Angular Contact Ball Bearings

Brand Name NTN
Model Number SF3618 DB
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

NTN SF3618 DB bearing Size Chart (mm/inches)

Bearing number32910
Size (mm)50x72x15
Bore Diameter (mm)50
Outer Diameter (mm)72
Width (mm)15
d50 mm
D72 mm
T15 mm
B14 mm
C12 mm
ra1 max.0,6 mm
a14,5 mm
r min.0,6 mm
r1 min.0,6 mm
da min.54,5 mm
Da min63,5 mm
Da max.67,5 mm
db max.55 mm
Db min.69,5 mm
ra max.0,6 mm
Sa3 mm
Sb3 mm
Weight0,192 Kg
Basic dynamic load rating (C)31,5 kN
Basic static load rating (C0)50,5 kN
(Grease) Lubrication Speed4 700 r/min
(Oil) Lubrication Speed6 300 r/min
Calculation factor (e)0,36
Calculation factor (Y0)0,92
d161.5 mm
rs min0.6 mm
r1s min0.6 mm
e0.34
Y21.76
Y00.97
Mass0.19 kg
ISO 355 referenceT2BC050
Dynamic load, C35.5 kN
Rating life coefficient, A21
Static load, C057 kN
Fatigue limit load, Cu7 kN
Nlim (oil)6,300 rpm
Nlim (grease)4,700 rpm
Min operating temperature, Tmin-40 °C
Max operating temperature, Tmax120 °C
Characteristic cage frequency, FTF0.46 Hz
Characteristic rolling element frequency, BSF12.84 Hz
Characteristic outer ring frequency, BPF015.25 Hz
Characteristic inner ring frequency, BPFI17.75 Hz
da max55 mm
db min54.5 mm
Da max67.5 mm
Db min69 mm
Ca min3 mm
Cb min3 mm
ra max0.6 mm
r1a max0.6 mm
CategoryRoller Bearings
Inventory0.0
Manufacturer NameNTN
Minimum Buy QuantityN/A
Weight / Kilogram0.19
EAN4547359296518
Product GroupB04334
bore diameter:50 mm
bearing material:Through Hardened Steel
cup width:12 mm
operating temperature range:-40 to 120 ºC
assembly type:Cone & Cup
dynamic load capacity:31500 N
outside diameter:72 mm
fillet radius:0.6 mm
cone width:15 mm
static load capacity:50500 N
closure type:Open
finish/coating:Uncoated
overall width:15 mm
manufacturer product page:Click here
abma precision rating:Class 0
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