Cylindrical Bearing NN3032K KOYO - Pioneer Machinery Source

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Cylindrical Bearing NN3032K KOYO image

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CYLINDRICAL ROLLER BEARING Product Description

Bearing number:71960 CDMA/P4A
Size (mm):420x300x56
Bore Diameter (mm):420
Outer Diameter (mm):300
Width (mm):56
d:300 mm
D:420 mm
B:56 mm
d1:337 mm
d2:337 mm
D1:383 mm
r1,2 - min.:3 mm
r3,4 - min.:1.1 mm
a:76.4 mm
da - min.:313 mm
db - min.:313 mm
Da - max.:405 mm
Db - max.:414 mm
ra - max.:2.5 mm
rb - max.:1 mm
dn:347 mm
Basic dynamic load rating - C:371 kN
Basic static load rating - C0:600 kN
Fatigue load limit - Pu:13.4 kN
Limiting speed for grease lubrication:3000 r/min
Limiting speed for oil lubrication:4500 mm/min
Ball - Dw:38.1 mm
Ball - z:26
Gref:265 cm3
Calculation factor - f0:16.3
Preload class A - GA:1400 N
Preload class B - GB:2800 N
Preload class C - GC:5600 N
Preload class D - GD:11200 N
Calculation factor - f:1
Calculation factor - f2A:1
Calculation factor - f2B:1.04
Calculation factor - f2C:1.09
Calculation factor - f2D:1.15
Calculation factor - fHC:1
Preload class A:272 N/micron
Preload class B:369 N/micron
Preload class C:514 N/micron
Preload class D:741 N/micron
r1,2 min.:3 mm
r3,4 min.:1.1 mm
da min.:313 mm
db min.:313 mm
Da max.:405 mm
Db max.:414 mm
ra max.:2.5 mm
rb max.:1 mm
Basic dynamic load rating C:371 kN
Basic static load rating C0:600 kN
Fatigue load limit Pu:13.4 kN
Attainable speed for grease lubrication:3000 r/min
Attainable speed for oil-air lubrication:4500 r/min
Ball diameter Dw:38.1 mm
Number of balls z:26
Reference grease quantity Gref:265 cm³
Preload class A GA:1400 N
Static axial stiffness, preload class A:272 N/µm
Preload class B GB:2800 N
Static axial stiffness, preload class B:369 N/µm
Preload class C GC:5600 N
Static axial stiffness, preload class C:514 N/µm
Preload class D GD:11200 N
Static axial stiffness, preload class D:741 N/µm
Calculation factor f:1.22
Calculation factor f1:1
Calculation factor f2A:1
Calculation factor f2B:1.04
Calculation factor f2C:1.09
Calculation factor f2D:1.15
Calculation factor fHC:1
Calculation factor f0:16.3
Mass bearing:23 kg

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Pioneer Machinery Source: Email[email protected]; Address13 Tuas Road Distributor Service Singapore 638512; Phone(Working Time)0065 82577418; Fax0065 82577552

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