Carcass Chart & Pulley Selection - Krishna Belts Pvt. Ltd.

BELT SELECTION CHART -Nylon-Nylon fabric

Belt Rating	Recommended Min Belt Tension, N/mm	Nominal carcass Weight, kg/m²	Nominal carcass Thickness	Minimum pulley diameter (mm)
Belt Rating	Recommended Min Belt Tension, N/mm	Nominal carcass Weight, kg/m²	mm	60 to 100% belt rated tension
				Drive	Snub	Tail
NN 200/2	20	2.64	2.20	200	160	125
NN 250/2	25	2.64	2.20	200	160	125
NN 315/2	32	2.88	2.40	250	200	160
NN 315/3	32	3.96	3.30	315	250	200
NN 400/2	40	3.36	2.80	315	250	200
NN 400/3	40	3.96	3.30	315	250	200
NN 400/4	40	5.28	4.40	400	315	250
NN 500/3	50	4.32	3.60	315	250	200
NN 500/4	50	5.28	4.40	400	315	250
NN 500/5	50	6.6	5.50	500	400	315
NN 630/3	63	5.04	4.20	400	315	250
NN 630/4	63	5.76	4.80	500	400	315
NN 630/5	63	6.6	5.50	500	400	315
NN 800/3	80	5.76	4.80	500	400	315
NN 800/4	80	6.72	5.60	630	500	400
NN 800/5	80	7.2	6.00	630	500	400
NN 1000/3	100	6.48	5.40	500	400	315
NN 1000/4	100	7.68	6.40	630	500	400
NN 1000/5	100	8.4	7.00	630	500	400
NN 1250/4	125	8.64	7.20	800	630	500
NN 1250/5	125	9.6	8.00	800	630	500
NN 1250/6	125	10.08	8.40	800	630	500
NN 1400/4	140	10.56	8.80	800	630	500
NN 1600/4	160	11.04	9.20	1000	800	630
NN 1600/5	160	10.8	9.00	1000	800	630
NN 1800/5	180	13.2	11.00	1000	800	630
NN 1800/6	180	12.96	10.80	1000	800	630
NN 2000/5	200	13.8	11.50	1250	1000	800

BELT SELECTION CHART -POLYESTER/NYLON66 FABRIC

Belt Rating	Recommended Min Belt Tension, N/mm	Nominal carcass Weight, kg/m²	Nominal carcass Thickness	Minimum pulley diameter (mm)
Belt Rating	Recommended Min Belt Tension, N/mm	Nominal carcass Weight, kg/m²	mm	60 to 100% belt rated tension
				Drive	Snub	Tail
EP 200/2	20	2.88	2.40	315	250	200
EP 250/2	25	2.88	2.40	315	250	200
EP 315/2	32	3.12	2.60	315	250	200
EP 315/3	32	4.32	3.60	400	315	250
EP 400/2	40	3.6	3.00	400	315	250
EP 400/3	40	4.32	3.60	400	315	250
EP 400/4	40	5.76	4.80	630	500	400
EP 500/3	50	4.68	3.90	500	400	315
EP 500/4	50	5.76	4.80	630	500	400
EP 500/5	50	7.2	6.00	800	630	500
EP 630/3	63	5.4	4.50	500	400	315
EP 630/4	63	6.24	5.20	630	500	400
EP 630/5	63	7.2	6.00	800	630	500
EP 800/3	80	6.48	5.40	630	500	400
EP 800/4	80	7.2	6.00	800	630	500
EP 800/5	80	7.2	6.00	800	630	500
EP 1000/3	100	7.2	6.00	800	630	500
EP 1000/4	100	8.64	7.20	800	630	500
EP 1000/5	100	9	7.50	1000	800	630
EP 1250/4	125	9.6	8.00	1000	800	630
EP 1250/5	125	10.8	9.00	1000	800	630
EP 1250/6	125	10.8	9.00	1000	800	630
EP 1600/5	160	12	10.00	1250	1000	800
EP 1800/6	180	14.4	12.00	1400	1250	1000