NNU312 NSK CYLINDRICAL ROLLER BEARING - BEARING MFG.CORP.

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NNU312 NSK CYLINDRICAL ROLLER BEARING Specifications

Static axial stiffness, preload class A:97 N/µm
r3,4 min.:1 mm
da min.:107 mm
d2:114.2 mm
db min.:107 mm
db max.:113.5 mm
Preload class A GA:240 N
rb max.:1 mm
d:100 mm
Preload class B GB:720 N
Calculation factor fHC:1.01
Calculation factor f:1.12
Db max.:144.4 mm
Calculation factor f0:9.5
Number of balls z:27
Static axial stiffness, preload class C:212 N/µm
Basic static load rating C0:40 kN
Basic dynamic load rating C:44.9 kN
Attainable speed for grease lubrication:14500 r/min
Ball diameter Dw:12.7 mm

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BEARING MFG.CORP.: Address1500 Holmes Road, Elgin, lL 60123, U.S.A.; Phone(Working Time)888-6528; Fax

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