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312-2ZNR - Deep groove ball bearing - Precision ball bearing

Product model312-2ZNR
d60 mm
D130 mm
B31 mm
Limiting speed4800 r/min
Reference speed9500r/min r/min
d181.86mm
D2112.2mm
Chamfer Dimension(r1,2)2.1mm
Shaft shoulder diameter(da)min72mm
Shaft shoulder diameter(da)max81.7mm
Diameter of bearing seat shoulder(Da)118mm
Chamfer radius of shaft or bearing seat(ra)2mm
Fatigue load limit3.35kN
Minimum load factor(kr)0.05
Mass bearing1.85kg

Product Details

The 312-2ZNR 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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312-2ZNR / Deep groove ball bearing / Precision ball bearing