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4308 ATN9 - Deep groove ball bearing - Precision ball bearing

Product model4308 ATN9
d40 mm
D90 mm
B33 mm
Limiting speed6700 r/min
Reference speed12000r/min r/min
d156.9mm
D173.1mm
Chamfer Dimension(r1,2)1.5mm
Shaft shoulder diameter(da)min49mm
Diameter of bearing seat shoulder(Da)81mm
Chamfer radius of shaft or bearing seat(ra)1.5mm
Fatigue load limit1.9kN
Minimum load factor(kr)0.06
Calculation coefficient(f0)13.8
Mass bearing0.95kg

Product Details

The 4308 ATN9 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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4308 ATN9 / Deep groove ball bearing / Precision ball bearing