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6311C3 - NTN

6311C3

Deep groove ball bearing, radial contact, pressed steel cage, open

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.

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Technical datasheet

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PRODUCT DEFINITION
BrandNTN
d - Internal diameter55 mm
D - External diameter120 mm
B - Bearing/Inner ring width29 mm
rs - Min fillet radius2 mm
Radial clearance classC3
Mass1,37 kg
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PRODUCT PERFORMANCE
C - Dynamic load79,5 kN
C0 - Static load45 kN
Cu - Fatigue limit load3,5 kN
f0 - Coefficient13.2
Nlim - Oil lubrication limit speed6800 tr/min
Nlim - Grease lubrication limit speed5800 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
ABUTMENT
da min - Min shoulder diameter IR64 mm
Da max - Max shoulder diameter OR111 mm
ra max - Max shaft & housing fillet radius2 mm
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Calcul factors image

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