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6311 N - Deep groove ball bearing - Precision ball bearing

Product model6311 N
d55 mm
D120 mm
B29 mm
Limiting speed8000 r/min
Reference speed12000r/min r/min
d175.34mm
D2103.7mm
Chamfer Dimension(r1,2)2mm
Shaft shoulder diameter(da)min66mm
Diameter of bearing seat shoulder(Da)109mm
Chamfer radius of shaft or bearing seat(ra)2mm
Fatigue load limit1.9kN
Minimum load factor(kr)0.03
Calculation coefficient(f0)13
Mass bearing1.41kg

Product Details

The 6311 N is part of the Deep groove ball bearing series within our Precision ball bearing range. It is engineered for high-performance industrial use and delivers reliable operation under demanding working conditions.

Typical applications include: electric motors, pumps, gearboxes, agricultural machinery and automotive systems. For detailed dimensions and load ratings, please refer to the specification table above. Contact FIJ for bulk pricing, technical support or customized solutions.

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6311 N / Deep groove ball bearing / Precision ball bearing