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6311Z - SNR

6311Z

Deep groove ball bearing, radial contact, pressed steel cage, shield 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.

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Technical datasheet

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Specs

PRODUCT DIMENSIONS

Internal diameter (d) 55 mm
External diameter (D) 120 mm
Bearing/Inner ring width (B) 29 mm
External diameter inner ring d1 69 mm
Inner diameter outer ring (D1) 102,3 mm
Min fillet radius (rs) 2 mm
Radial clearance class CN
Mass 1,347 kg
Brand SNR
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PRODUCT PERFORMANCE

Dynamic load (C) 70,7 kN
Static load (C0) 44,7 kN
Fatigue limit load (Cu) 2,03 kN
Coefficient f0 13.1
Reference thermal speed (Nref) 7200 tr/min
Mechanical Limit Speed (Nlim) 9500 tr/min
Min operating temperature (Tmin) -40 °C
Max operating temperature (Tmax) 120 °C

ABUTMENT

Min shoulder diameter IR (da min) 64 mm
Max shoulder diameter IR (da max) 69 mm
Max shoulder diameter OR (Da max) 111 mm
Max shaft & housing fillet radius (ra max) 2 mm
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