hubs

PFF Series

Category: Flexible couplings and pulleys

Brake drum according to DIN 15431

PULLEY	D diam.	d1 H7		d3	d5	d6	b1	b3	b5	b6	Weight Kp (2)	PD2 Kpm2 (2)
PULLEY	D diam.	min	max	d3	d5	d6	b1	b3	b5	b6	Weight Kp (2)	PD2 Kpm2 (2)
PFF 160 (1)	160	–	40	65	150	52	60	48	53	15	4,6	0,06
PFF 200	200	20	50	80	180	65	75	60	65	20	8,9	0,18
PFF 250	250	30	60	100	220	75	95	80	80	25	16	0,5
PFF 315	315	40	80	130	270	95	118	103	103	30	31,3	1,5
PFF 400	400	50	90	150	335	105	150	115	117	33	55,5	4,6
PFF 500	500	60	100	160	425	115	190	150	157	33	102	14,3
PFF 630	630	70	110	180	530	125	236	191	203	33	180	41

(1) NOT ACCORDING TO DIN 15431
(2) WEIGHT AND PD2 ARE CALCULATED WITH d1 MINIMUN HOLE
(3) KEYWAY ACCORDING TO UNI 6604-69

d¹-d²	Z X 45°
until 30	1,0
from 30 to 40	1,5
from 40 to 50	2,0
from 50 to 60	2,5
from 60 to 80	3,0
from 80 to 100	3,5
from 100 to 120	4,0