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All Product Types > INDUSTRIAL MOTION PRODUCTS > Couplings & Power Transmission Parts Catalog > Variable Speed Drives > Adjustable Motor Bases > Sliding "SMB" Type Motor Bases - Imperial > Part Number 68514440214  
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Part Number 68514440214, Sliding "SMB" Type Motor Bases - Imperial


Adjustable Motor Bases

Sliding and Tilting Bases
    It is necessary to change the distance between the motor and driven shaft in order to change speed with an adjustable center drive. The best way to do this is with an adjustable motor base. Lovejoy offers four basic types of motor bases to satisfy requirements of space, convenience, interchangeability, motor frame size, and economy.
Sliding “SMB” Type

Models: SMB143, SMB184, and SMB254
    SMB motor bases are extremely low profile and made of strong, lightweight steel, plated for protection against rust and corrosion. A folding knurled adjusting handle replaces the common round hand wheel to offer easy speed adjustment with minimum effort and no tools. Adjustable maximum and minimum speed stops are included. The adjusting handle is easily removed for the addition of a sprocket or universal joint to adapt to existing control methods.
    For remote control in hazardous or inconvenient locations, Lovejoy offers electric servo motor controlled bases in the SMB style, both chain-driven (MRC) and direct coupled (ERC). Both types come complete with motor, control, and wiring diagram.




Unit of Measure: Imperial Metric Both

Specifications  · Dimensional Data  · Performance Data  · Features

Specifications

Description 
SMB-254-SLIDING MOTOR BASE

Model
SMB-254

Type
Pump Mounting Bracket

Material
Steel

Application
Adjustable Center VSP Drive

Model Compatibility
for NEMA Motor Frame Sizes

Contents
One Adjustable Motor Base

Weight
47.25 lb

UPC Number
40214

NEMA Frame Motor Size
184T, 213T, 215T, 254T


Dimensional Data

Dimension A
28.625 in

Dimension B
23.625 in
600.08 mm

Dimension C
10.375 in
263.53 mm

Dimension D
14.000 in

Dimension E
10.000 in
254.00 mm

Dimension E1
8.500 in
215.90 mm

Dimension E2
7.500 in
190.50 mm

Min. Dimension F
7.953 in
202.01 mm

Max. Dimension F
8.453 in
214.71 mm

Min. Dimension F1
5.375 in
136.53 mm

Max. Dimension F1
7.250 in
184.15 mm

Dimension G
26.000 in
660.40 mm

Dimension H
0.563 in
14.29 mm

Dimension H1
0.438 in
11.11 mm

Dimension I
2.125 in
53.98 mm

Dimension J
2.250 in
57.15 mm

Dimension K
3.219 in
81.76 mm

Dimension L
0.188 in
4.76 mm

Dimension M
4.500 in
114.30 mm

Dimension N
1.813 in
46.04 mm

Dimension O
0.516 in
13.10 mm

Dimension P
2.500 in
63.50 mm

Dimension Q
2.313 in
58.74 mm

Dimension S
13.000 in
330.20 mm

Dimension T
7.125 in

Dimension U
2.500 in
63.50 mm

Dimension W
12.750 in
323.85 mm

Dimension X
21.000 in
533.40 mm

Diameter (Dimension Y)
1.250 in

Diamenter (Dimension Z)
1-5

Cubic inches
2855.34375 in³


Performance Data

Travel Distance
11 1/4 in


Features

Features 
  • Three sizes available to fit NEMA motor frames from fractional through 15 horsepower
  • Simple installation provided by a one-piece motor mounting plate
  • Best possible belt alignment maintained because the motor shaft remains perpendicular to the plane of adjustment
  • Slotted for standard NEMA motor frame mounting, but can be drilled for special mounting sizes to offer flexibility of design


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