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One direction thrust ball bearings

51244 - NTN

51244

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter220 mm
D - External diameter300 mm
T - Thrust bearing height63 mm
rs - Min fillet radius2 mm
Mass13 kg
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PRODUCT PERFORMANCE
Ca - Dynamic axial load rating325 kN
C0a - Static axial load rating1210 kN
Cua - Limit axial load rating34 kN
N lim - Oil lubrication limit speed950 tr/min
N lim - Grease lubrication limit speed660 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
Da max - Max shoulder diameter OR252 mm
da min - Min shoulder diameter IR268 mm
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