Taper lock pulley 1)Material: cast iron 2)ISO/British standard pulleys: SPZ/SPA/SPB/SPC 3)MPTA standard pulleys: 3/5/8V

Taper lock pulley1.Material: high quality cast iron2.ISO/British standard pulleys: SPZ/SPA/SPB/SPC3.MPTA standard pulleys: 3/5/8V4.Available in various sizes

(inch)
MPTA Standard Pulley	g		b	t	e	f	P	a°
3V	0.35		0.025	0.35	0.407	0.344	3.5	34°±0.5°
							3.56	38°±0.5°
							6.0112	40°±0.5°
							12	42°±0.5°
5V	0.6		0.05	0.6	0.688	0.5	10.1	38°±0.5°
							10.116	40°±0.5°
							16	42°±0.5°
8V	1		0.1	1	1.125	0.75	16	38°±0.5°
							1622.4	40°±0.5°
							22.4	42°±0.5°

 

 

(mm)
ISO Standard Pulley	g		wp	b	t	e	f	P	a°
SPZ	9.7	+0.1	8.5	2	11+0.6-0	12±0.2	8±0.3	80	34°±0.5°
		-0						80	38°±0.5°
SPA	12.7	+0.1	11	2.75	13.8+0.6-0	15±0.2	10±0.3	118	34°±0.5°
		-0						118	38°±0.5°
SPB	16.3	+0.1	14	3.5	17.5+0.6-0	19±0.2	12.5±0.3	190	34°±0.5°
		-0						190	38°±0.5°
SPC	22	+0.1	19	4.8	23.8+0.6-0	25.5±0.2	17±0.3	315	34°±0.5°
		-0						315	38°±0.5°