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68/500 - NTN

68/500

The single row deep-groove ball bearing is the most popular bearing. It is available in a wide range of sizes with several possible options: sealing with shields or seals, presence of a retaining ring, varied clearances, several cage types, etc.

Documentation

Product information

PRODUCT DEFINITION
BrandNTN
d - Internal diameter500 mm
D - External diameter620 mm
B - Bearing/Inner ring width56 mm
rs - Min fillet radius3 mm
Radial clearance classCN
Mass37,5 kg
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PRODUCT PERFORMANCE
C - Dynamic load360 kN
C0 - Static load560 kN
Cu - Fatigue limit load15,7 kN
f0 - Coefficient16.1
N lim - Oil lubrication limit speed970 tr/min
N lim - Grease lubrication limit speed820 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR513 mm
Da max - Max shoulder diameter OR607 mm
ra max - Max shaft & housing fillet radius2,5 mm
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