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Single row deep groove ball bearings

6311E - SNR

6311E

Deep groove ball bearing, radial contact, pressed steel cage, contact seal on one side

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
BrandSNR
d - Internal diameter55 mm
D - External diameter120 mm
B - Bearing/Inner ring width29 mm
d1 - External diameter inner ring69 mm
D1 - Inner diameter outer ring102,3 mm
rs - Min fillet radius2 mm
Radial clearance classCN
Mass1,38 kg
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PRODUCT PERFORMANCE
C - Dynamic load75,3 kN
C0 - Static load44,7 kN
Cu - Fatigue limit load2,03 kN
f0 - Coefficient13.1
N lim - Mechanical Limit Speed4200 tr/min
Tmin - Min operating temperature-30 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)3,057 Hz
BPFI - Over rolling frequency on inner (60 rpm)4,943 Hz
BSF - Over rolling frequency on rolling element (60 rpm)4,004 Hz
BRF - Rotational frequency – rolling element (60 rpm)2,002 Hz
FTF - Rotational frequency - cage (60 rpm)0,382 Hz
ABUTMENT
da min - Min shoulder diameter IR64 mm
da max - Max shoulder diameter IR69 mm
Da max - Max shoulder diameter OR111 mm
ra max - Max shaft & housing fillet radius2 mm
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