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One direction thrust ball bearings

51240 - NTN

51240

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter200 mm
D - External diameter280 mm
T - Thrust bearing height62 mm
rs - Min fillet radius2 mm
Mass11,8 kg
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PRODUCT PERFORMANCE
Ca - Dynamic axial load rating315 kN
C0a - Static axial load rating1110 kN
Cua - Limit axial load rating32 kN
N lim - Oil lubrication limit speed990 tr/min
N lim - Grease lubrication limit speed700 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
Da max - Max shoulder diameter OR232 mm
da min - Min shoulder diameter IR248 mm
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