Product Details

NTN KV68X73X31.4ZW needle roller bearings

Brand Name NTN
Model Number KV68X73X31.4ZW
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

NTN KV68X73X31.4ZW bearing Size Chart (mm/inches)

Bearing number7208DB
Size (mm)40x80x18
Bore Diameter (mm)40
Outer Diameter (mm)80
Width (mm)18
d40 mm
D80 mm
B18 mm
C18 mm
Angle (α)30 °
a8.3 mm
r min.1.1 mm
r1 min.0.6 mm
2B36 mm
da min.45 mm
Da max.75 mm
ra max.0.6 mm
Weight0.380 Kg
Basic dynamic load rating (C)57,5 kN
Basic static load rating (C0)50,5 kN
(Grease) Lubrication Speed6000 r/min
Bore TypeCylindrical Bore
EnclosureOpen
ConfigurationDuplex
Bore Size40 mm
Outside Diameter80 mm
Width18 mm
Fillet Radius/Chamfer1.1 mm
r10.6 mm
Dynamic Load Rating57,500 N
Static Load Rating50,500 N
Limiting Speed - Grease6,000 rpm
Limiting Speed - Oil8,000 rpm
da1 (min)47 mm
da2 (min)45 mm
Da1 (max)73 mm
Da2 (max)75 mm
ra (max)1 mm
ra1 (max)0.6 mm
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