NNU4930B/SPC3W33 SKF Super Precision,Super Precision Bearings,Cylindrical Roller Bearings,Double Row NNU 49 Series - Jinan LBR Bearing Co., Ltd.

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NNU4930B/SPC3W33 SKF Super Precision,Super Precision Bearings,Cylindrical Roller Bearings,Double Row NNU 49 Series image

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NNU4930B/SPC3W33 SKF Super Precision,Super Precision Bearings,Cylindrical Roller Bearings,Double Row NNU 49 Series Exchange Guide

Preload class C GC:331 N
Preload class B GB:166 N
B:12 mm
a:14 mm
D:68 mm
Attainable speed for oil-air lubrication:52000 r/min
Ball diameter Dw:6.35 mm
Static axial stiffness, preload class B:59 N/µm
Number of balls z:21
Basic dynamic load rating C:10.1 kN
Reference grease quantity Gref:1.5 cm³
Calculation factor f1:1
Basic static load rating C0:6.95 kN
Calculation factor f:1.09
d2:51 mm
rb max.:0.3 mm
Static axial stiffness, preload class C:81 N/µm
d:45 mm
Calculation factor f2A:1
ra max.:0.6 mm

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Jinan LBR Bearing Co., Ltd.: AddressRoomB-730, Jiahui Universal Square, No. 548, Beiyuan Street, Tianqiao District; Phone(Working Time)86-5318966548; Fax

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