Pulley Product of Taper Bush Pulley

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Pulley
Taper Bush Pulley

Taper Bush Pulley

Derk V- belt taper bush pulley are manufactured according to ISO-4183. The groove profile designed for both classical V-Belts (section Z,A,B,C) and narrow V-Belts (section SPZ,SPA,SPB,SPC) as stated in technical dimentional tables. The material used for the pulley is close grain structure cast iron.

When ordering a pulley to be dynamically balanced you must specify the pulley operational speed.

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Belt section	p	a°	a	Wd	e	f	b	h
SPZ	<=80	34	9.7	8.5	12	8	2	11
SPZ	>80	38	9.9	8.5	12	8	2	11
SPA	<=118	34	12.7	11	15	10	2.75	13.75
SPA	>118	38	12.9	11	15	10	2.75	13.75
SPB	<=190	34	16.1	14	19	12.5	3.5	17.5
SPB	>190	38	16.4	14	19	12.5	3.5	17.5
SPC	<=315	34	21.9	19	25.5	17	4.8	23.8
SPC	>315	38	22.3	19	25.5	17	4.8	23.8

The minimum datum diameters (Pitch diameters P)

The minimum datum diameters of groove pulleys as a function of the V-Belts are specified in following table.

Groove	Z	A	B	C	SPZ	SPA	SPB	SPC
Minimum Pitch diameter(P)	50	75	125	200	63	90	140	224