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One direction thrust ball bearings

51148 - NTN

51148

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter240 mm
D - External diameter300 mm
T - Thrust bearing height45 mm
rs - Min fillet radius1,5 mm
Mass6,87 kg
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PRODUCT PERFORMANCE
Ca - Dynamic axial load rating228 kN
C0a - Static axial load rating935 kN
Cua - Limit axial load rating25,6 kN
N lim - Oil lubrication limit speed1100 tr/min
N lim - Grease lubrication limit speed780 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
Da max - Max shoulder diameter OR264 mm
da min - Min shoulder diameter IR276 mm
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