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QJF 307 MA - Precision ball bearing - QJF/Q four point contact ball bearing

Product modelQJF 307 MA
d35 mm
D80 mm
B21 mm
Limiting speed15000 r/min
d1≈46.2mm
D1≈64.3mm
Distance from load point (a)40mm
Chamfer size of inner ring (r1,2)min.1.5mm
damin.44mm
Damax.71mm
ramax.1.5mm
Pu2.16kN
Calculation coefficient (A)0.00744
Calculation coefficient (e)0.95
Calculation coefficient (X)0.6
Y00.58
Y10.66
Y21.07
Mass bearing0.57kg

Product Details

The QJF 307 MA is part of the QJF/Q four point contact 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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QJF 307 MA / QJF/Q four point contact ball bearing / Precision ball bearing