7911A5TRDUMP3 NSK Super Precision Bearings - China Komatsu Hydraulic Final Drive Motor Supplier

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7911A5TRDUMP3 NSK Super Precision Bearings Characteristics

Limiting speed for grease lubrication:6300 r/min
Preload class B - GB:1600 N
Basic dynamic load rating - C:212 kN
Ball diameter Dw:26.988 mm
Basic static load rating C0:245 kN
Db max.:254 mm
Preload class D - GD:6400 N
Static axial stiffness, preload class D:542 N/µm
rb - max.:1 mm
Calculation factor f0:15.9
Basic static load rating - C0:245 kN
dn:205.8 mm
Static axial stiffness, preload class B:270 N/µm
Limiting speed for oil lubrication:10000 mm/min
Calculation factor - fHC:1.02
Number of balls z:22
Preload class A GA:800 N
r1,2 - min.:2.1 mm
C1:11.8 mm
Calculation factor fHC:1.02

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China Komatsu Hydraulic Final Drive Motor Supplier: Address6518 Litimat Road, Dississauga, Intario, D2Y 4U7, Canada; Phone(Working Time)+1-659-239-5477; Fax

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