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One direction thrust ball bearings

51144 - NTN

51144

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter220 mm
D - External diameter270 mm
T - Thrust bearing height37 mm
rs - Min fillet radius1,1 mm
Mass4,27 kg
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PRODUCT PERFORMANCE
Ca - Dynamic axial load rating177 kN
C0a - Static axial load rating740 kN
Cua - Limit axial load rating21,3 kN
N lim - Oil lubrication limit speed1300 tr/min
N lim - Grease lubrication limit speed920 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
Da max - Max shoulder diameter OR240 mm
da min - Min shoulder diameter IR250 mm
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