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3308A - SNR

3308A

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 40 mm
External diameter D 90 mm
Bearing/Inner ring width(B) 36,5 mm
External diameter inner ring d1 51,4 mm
Inner diameter outer ring D1 77 mm
Charge load application point a 46,4 mm
Contact angle α 25 °
Min fillet radius rs 1,5 mm
Radial clearance class CN
Precision class P0
Mass 0,95 kg
Brand SNR
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PRODUCT PERFORMANCE

Dynamic load, C 61,2 kN
Static load, C0 45,2 kN
Fatigue limit load, Cu 2,8 kN
Coefficient f0 13.7
Reference thermal speed (Nref) 6000 tr/min
Mechanical Limit Speed Nlim 7300 tr/min
Min operating temperature, Tmin -20 °C
Max operating temperature, Tmax 120 °C
Characteristic cage frequency, FTF 0,395 Hz
Characteristic rolling element frequency, BSF 4,119 Hz
Characteristic outer ring frequency, BPF0 3,159 Hz
Characteristic inner ring frequency, BPFI 4,841 Hz

ABUTMENT

Min shoulder diameter IR da min 48 mm
Max shoulder diameter OR Da max 82 mm
Max shaft & housing fillet radius ra max 1,5 mm
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