Operating Parameters / UralBMT

		Operating Parameters


Three Cone Rock Bit Type/IADC Code	Operating Weight in Ibs. Per inch diameter (min-max)	Rotary Speed (RPM) (max-min)	Operating Weight in kilos. Per mm diameter (min-max)
(A)	(B)	(C)	(D)

111	1000-3000	160-60	17.9-53.7
121	1000-3000	160-60	17.9-53.7
211/212	1200-4000	150-50	21.5-71.6
231/232	1300-5000	130-50	23.3-89.4
311	1400-6000	120-50	25.0-107.4
321	1500-8000	100-40	26.8-143.2
339	2000-9000	90-40	35.8-161
432/433	1000-3000	140-80	17.9-53.7
522/523	1100-3500	120-80	19.7-62.6
542/543	1200-4000	120-80	21.5-71.6
621/623	2000-6000	110-70	35.8-107.4
641/643	2100-7000	110-60	37.6-125.2
741/743	2500-8000	100-50	44.7-143.2
841/843	3000-9000	90-50	53.7-161

To determine operating weight for your particular tool use the formula
in Ibs.: (B) X (Diameter in inch)
in kilos.: (D) X (Diameter in mm)

Example:
5" 211MC 5000-20000 lbs
127mm 211MC 2273.3-9093.2 kilos.