Recommended Oil Viscosity for EHD Lubrication

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Nominal diameter [mm]	Mean Speed [rpm]	Viscosity u1 [mm2/s]	Lubricant temperature [°C]	Viscosity grade ISO VG	Actual viscosity u [mm2/s]
up to 16	10	approx. 3000	30	680	approx. 3000
-	50	500	35	320	500
-	200	180	40	220	220
-	500	70	45	100	80
-	1000	40	50	68	42
-	2000	28	55	68	35
20 to 32	10	approx. 1200	30	460	approx. 1200
-	50	350	35	320	500
-	200	120	40	150	150
-	500	50	45	68	50
-	1000	30	50	46	30
over 40	10	approx. 900	30	320	approx. 900
-	50	250	35	220	300
-	200	80	40	100	100
-	500	35	45	46	35