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2515 7/8 PULLEY

BRAND: LoveJoy | MODEL: 68514457601 | CONDITION: NEW | SKU: 1801056
2515 7/8 PULLEY

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Weight: 4.75 lbs UOM: EA

Additional Description



Fixed Center Drives
Two-Side Moveable
    Our new two-side moveable Econoline pulleys are ideal for adjustable center applications where shaft-to-shaft distances are very short and belt misalignment cannot be tolerated, or in those instances where this style needs replacement.
    Spring-loaded pulleys are through-bored for all types of shaft mounting arrangements. The exposed spring design allows for a cooler running pulley and permits easy cleaning. Complete spring enclosures are available as an option on some models.
Belt Selection
    Econoline pulleys are designed specifically for “A” and “B” section drive belts, though they can also be used with “4L” and “5L” belts if necessary. Cogged, raw-edge belts have a definite advantage over wrapped types because they readily form around small pitch diameters, and provide a better arc of contact and provide best possible transmission of torque. If a “slip clutching” effect is desirable to protect machinery in the event of overload, a wrapped belt is recommended.
Adjustable Center Drives
    An adjustable center drive using the Econoline variable speed driver pulley is an economical, efficient solution for many drive requirements. The typical adjustable center drive consists of a spring-loaded pulley mounted on the motor shaft, a companion sheave on the driven shaft, an adjustable motor base, and a belt. A wide range of sizes and horsepower ratings are available from the Econoline series to fit the system requirements. Standard “A” and “B” companion sheaves are recommended for use with Econoline adjustable center drives. Since many Econoline pulleys have only one moveable flange and the companion sheaves are grooved, some misalignment of the belt can be expected and is acceptable for most drives. To minimize this misalignment, the belt should be aligned with the driven sheave when the belt is in the median pitch diameter range of the variable speed pulley, or in the range of principle operation. Due to the minimal bottom contact area of “A” and “B” belts, flat driven sheaves are NOT recommended.
Fixed Center Drives
    Econoline fixed center drives utilize the same type of spring-loaded pulley as an adjustable center drive, only it is normally mounted on the driven shaft. The driver pulley is of similar size and construction, but it is manually adjustable. A fixed center drive offers greater driven speed range in a more compact space. There are two types of controllable pulleys: the M type with a hand wheel and built-in adjusting device, and the MLA type that uses an external control. The MLA type pulley can be used with the Lovejoy #76 Control Stand (see page VSD-21) or some other type of linear controller. A fixed center drive consists of four component parts: the adjustable driver pulley, the spring-loaded driven pulley, the belt, and a Model 501 Torque Arm Bracket. This bracket prevents the hand wheel from spinning so speed can be changed while the drive is running (see drawing on page VSD-21). The 501 Torque Arm Bracket is NOT needed with the MLA type pulley. A wide variety of drive packages are available from the Econoline Series to suit your needs. Different diameter pulleys can be paired together to achieve a variety of driven speed ranges, and all sizes of driven spring- loaded pulleys are available in a variety of horsepower ratings.
Description 2515 7/8 PULLEY
Belt TypeB
Drive TypeAdjustable Center - Driver
Belt SizeAny B Type
Weight4.75 lb
UPC Number57601
Dimensional Data
Bore Diameter 5/8 in
Keyway Size 3/16 x 3/32 in
Outside Diameter5.000 in
Max. Pitch Diameter (Dimension PD)4.650 in
Min. Pitch Diameter (Dimension PD)2.000 in
Overall Length4.060 in
Bore Depth2.500 in
Dimension D2.670 in67.82 mm
Dimension L2.180 in55.37 mm
Total Travel Distance1.900 in48.26 mm
Cubic inches101.50000 in³
Performance Data
Torque54.00 in·lb
Motor Power at 1,150 rpm1.00 hp
Motor Power at 1,750 rpm1.50 hp
  • Three diameters (5, 6 and 7 inches)
  • Six models, rated for 1 through 5 HP at 1,750 RPM
  • Speed ratios up to 2.3 to 1
  • Durable cast iron flanges
  • Use with standard “B” section drive belts
  • Belt alignment is maintained at all speeds