Model M-14 Adjustable Driver Pulleys

Wide Variable Speed Belts

1/3 through 15 HP

Pulleys in the WB series use wide variable speed belts for the most efficient transmission of torque through the widest possible speed range. These pulleys are two-side moveable for the best possible belt alignment when used with a grooved companion sheave. However, the location of the belt centerline close to the bore end of the pulley reduces the overhung load on motor bearings and seals. Precision-calibrated springs maintain correct pressure,

Wide Variable Speed Belts

1/3 through 15 HP

Belt Selection

WB pulleys offer optimum speed ratios because they are used with wide variable speed belts. Pulley flanges are designed to match standard belt angle and width, so each pulley model must be matched to the correct belt to insure full speed range and maximum torque capacity.

Adjustable Center Drives

The typical adjustable center drive consists of: the WB pulley mounted on the motor shaft; a grooved companion sheave mounted with a bushing on the driven shaft; an adjustable motor base; and a variable speed belt. A wide range of pulley sizes and horsepower ratings are available from the WB series to fit the system requirements, and Lovejoy offers the correct drive belt, companion sheave, bushing, and motor base to complete the package.

Fixed Center Drives

Fixed center, or compound, drives offer greater driven speed ranges in a compact space. A fixed center drive consisting of a WB spring-loaded pulley and an adjustable pulley to match offers the best possible package for “C” mount configurations where zero offset is critical. Zero offset means that the driver and driven units are in line with one another, and the driven pulley is mounted in such a way that the belt rides as close as possible to the driven unit. This reduces overhung load and provides a smoother running drive. Three WB fixed center drive packages are available, from 1/3 through 3 HP.

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Item Number	Description	Bore Diameter	Belt Size	Overall Width	Outside Diameter (Dimension C)	Max. Pitch Diameter (Dimension PD)	Min. Pitch Diameter (Dimension PD)	Overall Length	Ratio	Weight	Motor Power at 1,150 rpm	Motor Power at 1,750 rpm	UPC Number

68514443314	N/A M-14-5/8-PULLEY	N/A 5/8 in	N/A 1422V	N/A 1.140 in	N/A 6.000 in	N/A 5.800 in	N/A 1.670 in	N/A 8.090 in	N/A 8.4:1	N/A 8.00 lb	N/A 0.3 to 0.75 hp	N/A 0.5 to 1 hp	N/A 43314
68514443315	N/A M-14-3/4-PULLEY	N/A 3/4 in	N/A 1422V	N/A 1.140 in	N/A 6.000 in	N/A 5.800 in	N/A 1.670 in	N/A 8.090 in	N/A 8.4:1	N/A 8.00 lb	N/A 0.3 to 0.75 hp	N/A 0.5 to 1 hp	N/A 43315
68514443316	N/A M-14-7/8-PULLEY	N/A 7/8 in	N/A 1422V	N/A 1.140 in	N/A 6.000 in	N/A 5.800 in	N/A 1.670 in	N/A 8.090 in	N/A 8.4:1	N/A 8.00 lb	N/A 0.3 to 0.75 hp	N/A 0.5 to 1 hp	N/A 43316

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