P Models （single-type variable-pitch pulleys）

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Features of P Models （single-type variable-pitch pulleys）

These are VARI-DIA pulleys that use standard V belts. They are mounted on a motor, and change the RPM by moving the motor and forcibly changing the pitch diameter of the belt attached to the pulley.They are easily mounted on a motor shaft, since they use an adapter system. They also produce excellent performance from a simple mechanism; for example, a proprietary cam mechanism prevents slips.

P Models （single-type variable-pitch pulleys） Specifications

P Models

P Models

[Specifications]

Model	Motor used (4P)	Gear ratio	Belt	transmission capacity［kW］			Mass ［kg］
Model	Motor used (4P)	Gear ratio	Belt	High speed	Intermediate speed	Low speed	Mass ［kg］
P-86-MA	0.2～0.4 kW	1:1.5	A	0.7	0.4	0.3	1.1
P-98-MA	0.4～0.75 kW	1:1.4	A	1.2	0.7	0.4	1.8
P-106-MA	0.4～0.75 kW	1:1.6	B	1.3	0.9	0.6	2.0
P-124-MA	0.75～1.5 kW	1:1.5	B	1.8	1.2	0.8	3.0
P-164-MA	1.5～2.2 kW	1:1.5	C	3.2	2.2	1.2	6.0
P-218	2.2～3.7 kW	1:1.4	C	6.2	4.4	3.2	14.0

[Driven Side Rotation Speed]

Unit [min-1]

Model		4in.	6in.	8in.	10in.	12in.	14in.	16in.	18in.
P-86-MA	50Hz	785～1180	510～765	375～560
P-86-MA	60Hz	945～1420	610～920	450～675
P-98-MA	50Hz	970～1365	630～880	460～650
P-98-MA	60Hz	1165～1645	755～1060	555～780
P-106-MA	50Hz		585～950	425～690
P-106-MA	60Hz		705～1150	510～830
P-124-MA	50Hz		760～1140	560～840	440～665
P-124-MA	60Hz		910～1370	670～1010	530～800
P-164-MA	50Hz			720～1120	570～885	475～735
P-164-MA	60Hz			865～1350	685～1065	570～885
P-218	50Hz				890～1205	740～1000	625～850	545～740	485～660
P-218	60Hz				1070～1445	890～1205	750～1020	655～890	585～790

(Rotation speed by driven pulley diameter when mounted to a 4-pole motor)　50Hz,1430min^-1　60Hz,1720min-¹

[Dimensions]

Unit ［mm］

Model	A	P₁	P₂	L	M	D		W		U		V	Max. P.D.	Min. P.D.	Movement distance
P-86-MA	86	18	21.5	78	63	11	14	-	-	-	-	30	77	51	20
P-98-MA	98	19	22.5	85	73	14	19	5	6	16	21.5	40	89	62	21
P-106-MA	106	21	26	96	73	14	19	5	6	16	21.5	40	95	58	29
P-124-MA	124	22	27	101	84	19	24	6	8	21.5	27	50	113	75	30
P-164-MA	164	25	32	130	102	24	28^*	8	8	27	31	50	150	96	42
P-218	218	27	34	163	132	28	28	8	8	31	31	60	204	150	42

Movement distance refers to a distance to move the motor that is required to change speed. If a repeated load (brake, motor, etc.) is imposed, specify the key method.

** The bore of the P-164 for a 2.2 kW motor is a straight type.

For details on motor slide bases, refer to the Motor Slide Bases section.

[Aadapter]

Model	Bore depth[mm]	Supported shaft diameters (adapter bore) φD [mm]
Model	Bore depth[mm]	10	11	12	13	14	15	16	18	19	20	22	24	25	28
P-86-MA	30	◎	◎	◎	◎	◎	◎	◎
P-98-MA	40		◎	◎	◎	●	●	●	●	●
P-106-MA	40		◎	◎	◎	●	●	●	●	●
P-124-MA	50					●	●	●	●	●	●	●	●	●
P-164-MA	50					●	●	●	●	●	●	〇	〇	〇	▲
P-218	60											〇		〇	〇

*Bores marked with symbols above are available. ● , ◎ , and ○ indicate adapter type, and ▲ indicate straight type.

*Adapters indicated as ◎ do not have a keyway. Before using with a shaft having a key, first remove the key.

*○ indicates model that includes an L key, since adapter specifications prevent a parallel key from fitting. Use this L key when mounting.

*Bore diameters for the L key distinguish between the old JIS and new JIS codes. Specify when ordering.

Related Product

Basic Specifications

Transmitted capacity 0.2 kW to 2.2 kW

Speed change ratio 1:2 to 1:6

Outer diameter of pulley 103 mm to 260 mm

Basic Specifications

Motor output 0.2 kW to 3.7 kW （4-pole）

Power supply voltage Three-phase 200 V/50 Hz, 200 or 220 V/60 Hz

Speed reduction ratios 1/10, 1/20, 1/30, 1/40, 1/50, 1/60

Basic Specifications

Standard applied motor output 0.2 kW to 18.5 kW （4-pole）

Movable distance 0 mm to 200 mm