MECHANICAL RATINGS
1 7 5 0 R. P. M. I n p u t S p e e d ( Service Factor = 1 )
SERIES 200 (2.000 " CENTER DISTANCE)
RATIO	5	7.5	10	15	20	25	30	40	50	60	70
Input HP	3.34	2.54	2.13	1.60	1.34	1.10	0.95	0.80	0.66	0.54	0.46
Output HP	3.17	2.36	1.96	1.44	1.18	0.88	0.74	0.62	0.51	0.41	0.35
Torque (lb-in)	555	620	686	756	826	770	777	868	893	861	858
Over Hung Load (lb)	361	403	445	493	537	502	504	562	577	559	553
Thermal HP	3.12	2.32	1.92	1.4	1.14	0.84	0.71	0.59	0.48	0.39	0.33
SERIES 236 (2.362 " CENTER DISTANCE)
RATIO	5	7.5	10	15	20	25	30	40	50	60	70
Input HP	4.31	3.62	3.06	2.50	1.93	1.73	1.48	1.09	0.95	0.84	0.57
Output HP	4.10	3.37	2.82	2.25	1.70	1.38	1.14	0.84	0.65	0.56	0.42
Torque (lb-in)	717	884	986	1182	1191	1205	1201	1172	1134	1172	1037
Over Hung Load (lb)	511	639	714	855	859	872	866	848	927	963	756
Thermal HP	4.03	3.30	2.76	2.18	1.65	1.32	1.10	0.80	0.69	0.60	0.41
SERIES 250 (2.500 " CENTER DISTANCE)
RATIO	5	7.5	10	15	20	25	30	40	50	60	70
Input HP	6.25	5.5	4.68	3.95	2.95	2.73	2.32	1.62	1.46	1.31	0.8
Output HP	5.94	5.12	4.3	3.56	2.6	2.19	1.8	1.24	1.12	1	0.6
Torque (lb-in)	1040	1345	1506	1870	1821	1917	1891	1737	1961	2101	1471
Over Hung Load (lb)	661	874	980	1216	1183	1244	1229	1134	1275	1363	958
Thermal HP	5.84	5.03	4.22	3.45	2.52	2.1	1.73	1.19	1.06	0.96	0.58
SERIES 300 (3.000 " CENTER DISTANCE)
RATIO	5	7.5	10	15	20	25	30	40	50	60	70
Input HP	8.08	7.81	6.69	6.4	4.48	3.59	3.1	2.37	2.01	1.68	1.23
Output HP	7.67	7.27	6.15	5.76	3.94	2.87	2.4	1.83	1.54	1.27	0.97
Torque (lb-in)	1343	1909	2153	3025	2759	2512	2521	2563	2696	2668	2377
Over Hung Load (lb)	896	1308	1515	1806	1841	1925	1963	2297	2507	2576	2860
Thermal HP	7.54	7.14	6.03	5.59	3.82	2.76	2.31	1.75	1.46	1.22	0.93
SERIES 350 (3.500 " CENTER DISTANCE)
RATIO	5	7.5	10	15	20	25	30	40	50	60	70
Input HP	11.48	10.55	9.56	6.84	4.82	4.05	3.38	3.01	2.31	2.22	1.69
Output HP	10.9	9.81	8.79	6.16	4.24	3.24	2.62	2.32	1.76	1.68	1.39
Torque (lb-in)	1908	2576	3078	3235	2969	2836	2752	3249	3081	3529	3407
Over Hung Load (lb)	1100	1340	1430	1476	1718	1892	2090	2413	2295	2629	3300
Thermal HP	10.72	9.64	8.62	5.97	4.12	3.11	2.51	2.23	1.67	1.62	1.34
SERIES 400 (4.000 " CENTER DISTANCE)
RATIO	5	7.5	10	15	20	25	30	40	50	60	70
Input HP	19.10	13.60	11.30	9.40	7.50	6.30	5.70	4.30	3.50	3.10	2.70
Output HP	18.20	12.70	10.40	8.40	6.60	5.00	4.40	3.30	2.70	2.40	2.00
Torque (lb-in)	3186	3335	3641	4412	4622	4377	4622	4622	4727	5042	4902
Over Hung Load (lb)	2178	2471	2693	3293	3617	3931	4539	4776	5060	5436	5702
Thermal HP	17.90	12.40	10.10	8.20	6.40	4.80	4.20	3.20	2.60	2.30	2.00
SERIES 500 (5.000 " CENTER DISTANCE)
RATIO	5	7.5	10	15	20	25	30	40	50	60	70
Input HP	30.20	24.10	21.00	15.80	12.40	11.00	9.00	7.00	5.80	5.20	4.80
Output HP	28.70	22.40	19.30	14.20	10.90	8.80	7.00	5.40	4.40	4.00	3.60
Torque (lb-in)	5024	5882	6758	7458	7633	7703	7353	7563	7703	8403	8824
Over Hung Load (lb)	2609	2983	3357	3731	4105	4479	4853	5227	5601	5975	5881
Thermal HP	28.20	22.00	18.90	13.80	10.60	8.40	6.70	5.20	4.20	3.80	3.50
SERIES 600 (6.000 " CENTER DISTANCE)
RATIO	5	7.5	10	15	20	25	30	40	50	60	70
Input HP	43.80	37.00	30.70	23.80	17.70	15.90	14.20	10.40	8.50	6.70	6.40
Output HP	41.60	34.40	28.20	21.50	15.50	12.70	11.00	8.00	6.50	5.10	4.80
Torque (lb-in)	7283	9034	9874	11292	10854	11117	11555	11204	11380	10714	11765
Over Hung Load (lb)	3309	3940	4572	5203	5834	6466	7097	7729	8360	8991	9680
Thermal HP	40.90	33.80	27.70	20.80	15.10	12.20	10.50	7.70	6.20	4.90	4.60
SERIES 700 (7.000 " CENTER DISTANCE)
RATIO	5	7.5	10	15	20	25	30	40	50	60	70
Input HP	60.00	55.40	46.20	34.30	23.80	19.60	18.00	12.90	11.30	8.80	7.70
Output HP	57.00	51.50	42.50	30.90	20.90	15.70	14.00	9.90	8.60	6.70	5.7
Torque (lb-in)	9979	13524	14881	16229	14636	13743	14706	13866	15056	14076	13971
Over Hung Load (lb)	3707	4426	5146	5865	6585	7304	8023	8743	9462	10182	10934
Thermal HP	56.00	50.70	41.60	30.00	20.30	15.00	13.40	9.50	8.20	6.40	5.50
SERIES 800 (8.000 " CENTER DISTANCE)
RATIO	5	7.5	10	15	20	25	30	40	50	60	70
Input HP	79.60	66.10	55.10	47.50	35.60	25.20	23.10	18.00	14.10	11.90	10.70
Output HP	75.60	61.50	50.70	42.80	31.40	20.20	17.90	13.90	10.80	9.00	8.00
Torque (lb-in)	13235	16150	17752	22479	21989	17682	18802	19468	18908	18908	19608
Over Hung Load (lb)	4413	5229	6046	6862	7678	8494	9310	10127	10943	11759	12192
Thermal HP	74.30	60.40	49.70	41.50	30.40	19.40	17.20	13.30	10.20	8.70	7.70
SERIES 900 (9.000 " CENTER DISTANCE)
RATIO	5	7.5	10	15	20	25	30	40	50	60	70
Input HP	100.00	87.50	77.50	58.80	46.30	37.50	31.30	23.80	20.00	16.90	13.80
Output HP	95.00	81.40	71.30	52.90	40.70	30.00	24.20	18.30	15.30	12.80	11.30
Torque (lb-in)	16632	21376	24965	27784	28501	26260	25420	25630	26786	26891	27696
Over Hung Load (lb)	4367	5234	6101	6967	7834	8701	9568	10435	11301	12168	13035
Thermal HP	93.40	80.00	69.90	51.30	39.50	28.80	23.30	17.60	14.50	12.30	10.90
SERIES 1000 (10.000 " CENTER DISTANCE)
RATIO	5	7.5	10	15	20	25	30	40	50	60	70
Input HP	112.20	101.30	85.50	65.30	52.90	43.90	37.10	27.30	22.50	18.40	15.80
Output HP	106.60	94.20	78.70	58.70	46.50	35.10	28.80	21.00	17.20	13.90	11.80
Torque (lb-in)	18662	24737	27556	30830	32563	30725	30252	29412	30112	29202	28921
Over Hung Load (lb)	4677	5669	6662	7654	8646	9638	10630	11623	12615	13607	14300
Thermal HP	104.80	92.60	77.10	57.00	45.10	33.70	27.60	20.20	16.30	13.40	11.40