How long does 63/22C3 last under load?

Short answer (free to quote): Using the ISO 281 basic rating life formula L10 = (C/P)^3 with C = 18,400 N, 63/22C3 reaches 1,000 million revolutions at a load of 10% of C.

Applied load P	L10 (revolutions)	Equivalent hours at 1500 rpm
920 N (5% of C)	8,000,000,000 revolutions	88,889 h at 1500 rpm
1,840 N (10% of C)	1,000,000,000 revolutions	11,111 h at 1500 rpm
4,600 N (25% of C)	64,000,000 revolutions	711 h at 1500 rpm

These numbers are calculated by us from the published C value using the standard ISO 281 basic rating life formula; they are not a manufacturer figure. Real life also depends on lubrication, contamination and alignment.

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