Product Details

280 mm x 500 mm x 80 mm KOYO N256 Cylindrical roller bearing

Brand Name KOYO
Model Number N256
Min.Order Quantity 1 pcs
Price Negotiable

Product Features

KOYO N256 bearing Size Chart (mm/inches)

Bearing number7301BDF
Size (mm)12x37x12
Bore Diameter (mm)12
Outer Diameter (mm)37
Width (mm)12
d12 mm
D37 mm
B12 mm
C12 mm
Angle (α)40 °
a4.3 mm
r min.1 mm
r1 min.0.6 mm
2B24 mm
da min.15 mm
Da max.33.4 mm
ra max.0.6 mm
Weight0.063 Kg
Basic dynamic load rating (C)17,5 kN
Basic static load rating (C0)10,1 kN
(Grease) Lubrication Speed13000 r/min
Bore TypeCylindrical Bore
EnclosureOpen
ConfigurationDuplex
Bore Size12 mm
Outside Diameter37 mm
Width12 mm
Fillet Radius/Chamfer1 mm
r10.6 mm
Dynamic Load Rating17,500 N
Static Load Rating10,100 N
Limiting Speed - Grease13,000 rpm
Limiting Speed - Oil18,000 rpm
da1 (min)18 mm
da2 (min)15 mm
Da1 (max)31 mm
Da2 (max)33.4 mm
ra (max)1 mm
ra1 (max)0.6 mm
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