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311 - Deep groove ball bearing - Precision ball bearing

Product model311
d55 mm
D120 mm
B29 mm
Limiting speed6300 r/min
Reference speed10000r/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 limit2.85kN
Minimum load factor(kr)0.05
Mass bearing1.5kg

Product Details

The 311 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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311 / Deep groove ball bearing / Precision ball bearing