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3306A - SNR

3306A

Double row angular contact ball bearing, polyamide cage, open

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Technical datasheet

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Specs

PRODUCT DIMENSIONS

Internal diameter d 30 mm
External diameter D 72 mm
Bearing/Inner ring width(B) 30,2 mm
External diameter inner ring d1 42 mm
Inner diameter outer ring D1 63 mm
Charge load application point a 36,5 mm
Contact angle α 25 °
Min fillet radius rs 1,1 mm
Radial clearance class CN
Precision class P0
Mass 0,519 kg
Brand SNR
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PRODUCT PERFORMANCE

Dynamic load, C 42,8 kN
Static load, C0 29,7 kN
Fatigue limit load, Cu 1,87 kN
Coefficient f0 13.5
Reference thermal speed (Nref) 7100 tr/min
Mechanical Limit Speed Nlim 9300 tr/min
Min operating temperature, Tmin -20 °C
Max operating temperature, Tmax 120 °C
Characteristic cage frequency, FTF 0,391 Hz
Characteristic rolling element frequency, BSF 3,947 Hz
Characteristic outer ring frequency, BPF0 3,125 Hz
Characteristic inner ring frequency, BPFI 4,875 Hz

ABUTMENT

Min shoulder diameter IR da min 36,5 mm
Max shoulder diameter OR Da max 65,5 mm
Max shaft & housing fillet radius ra max 1 mm
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