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One direction thrust ball bearings

51209 - NTN

51209

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter45 mm
D - External diameter73 mm
T - Thrust bearing height20 mm
rs - Min fillet radius1 mm
Mass0,317 kg
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PRODUCT PERFORMANCE
Ca - Dynamic axial load rating47,5 kN
C0a - Static axial load rating105 kN
Cua - Limit axial load rating4,75 kN
N lim - Oil lubrication limit speed3700 tr/min
N lim - Grease lubrication limit speed2600 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
Da max - Max shoulder diameter OR56 mm
da min - Min shoulder diameter IR62 mm
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