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One direction thrust ball bearings

51309 - NTN

51309

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter45 mm
D - External diameter85 mm
T - Thrust bearing height28 mm
rs - Min fillet radius1 mm
Mass0,684 kg
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PRODUCT PERFORMANCE
Ca - Dynamic axial load rating80 kN
C0a - Static axial load rating163 kN
Cua - Limit axial load rating7,35 kN
N lim - Oil lubrication limit speed2900 tr/min
N lim - Grease lubrication limit speed2000 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
Da max - Max shoulder diameter OR61 mm
da min - Min shoulder diameter IR69 mm
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