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QJ 1056 N2MA/C4 - Precision ball bearing - QJ four point contact ball bearing

Product modelQJ 1056 N2MA/C4
d280 mm
D420 mm
B65 mm
Limiting speed2400 r/min
d1≈328mm
D1≈372mm
Distance from load point (a)245mm
h15mm
b12.55mm
Fillet radius of locating groove (r0)2.5mm
Chamfer size of inner ring (r1,2)min.4mm
damin.298mm
Damax.402mm
ramax.3mm
Pu25.5kN
Calculation coefficient (A)3.47
Calculation coefficient (e)0.95
Calculation coefficient (X)0.6
Y00.58
Y10.66
Y21.07
Mass bearing33.5kg

Product Details

The QJ 1056 N2MA/C4 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 1056 N2MA/C4 / QJ four point contact ball bearing / Precision ball bearing