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Single row deep groove ball bearings

6306.C4 - SNR

6306.C4

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.

Documentation

Product information

PRODUCT DEFINITION
BrandSNR
d - Internal diameter30 mm
D - External diameter72 mm
B - Bearing/Inner ring width19 mm
d1 - External diameter inner ring41,7 mm
D1 - Inner diameter outer ring62,5 mm
rs - Min fillet radius1,1 mm
Radial clearance classC4
Mass0,346 kg
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PRODUCT PERFORMANCE
C - Dynamic load29,7 kN
C0 - Static load15,9 kN
Cu - Fatigue limit load0,72 kN
f0 - Coefficient13.1
N ref - Reference thermal speed11000 tr/min
N lim - Mechanical Limit Speed16000 tr/min
Tmin - Min operating temperature-40 °C
Tmax - Max operating temperature120 °C
BEARING FREQUENCIES
BPFO - Over rolling frequency on outer ring (60 rpm)3,054 Hz
BPFI - Over rolling frequency on inner (60 rpm)4,946 Hz
BSF - Over rolling frequency on rolling element (60 rpm)3,99 Hz
BRF - Rotational frequency – rolling element (60 rpm)1,995 Hz
FTF - Rotational frequency - cage (60 rpm)0,382 Hz
ABUTMENT
da min - Min shoulder diameter IR36,5 mm
Da max - Max shoulder diameter OR65,5 mm
ra max - Max shaft & housing fillet radius1 mm
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