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QJ 1268 MA/344524 - Precision ball bearing - QJ four point contact ball bearing

Product modelQJ 1268 MA/344524
d340 mm
D620 mm
B118 mm
Limiting speed1600 r/min
d1≈447mm
D1≈513mm
Distance from load point (a)480mm
Chamfer size of inner ring (r1,2)min.6mm
damin.368mm
Damax.592mm
ramax.5mm
Pu47.5kN
Calculation coefficient (A)35
Calculation coefficient (e)1.34
Calculation coefficient (X)0.54
Y00.44
Y10.47
Y20.81
Mass bearing165kg

Product Details

The QJ 1268 MA/344524 is part of the QJ 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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QJ 1268 MA/344524 / QJ four point contact ball bearing / Precision ball bearing