KTR Couplings

Improve the performance of your system with a cost-effective, high-quality KTR coupling! Torsionally flexible curved-jaw type KTR ROTEX® Couplings are perfect for both horizontal and vertical applications. Torsionally stiff KTR BoWex® Couplings are excellent for applications requiring large axial movement. Choose from a wide range of KTR Spiders and Sleeves to suit your application and complete your coupling. Need help making a selection? Contact our friendly, knowledgeable staff for technical assistance today!

Choosing a Coupling Style:


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Coupling Hubs

Item Bore
in.
(mm)
Size Material Type Style Recommended
Spider
Price
(USD)
Quantity
Discounts
Stock
Status
Add To
Cart
KTR-BA020142100800 (8) 14 Sintered Steel ROTEX Setscrew KTR-020141000045 $7.00 view here
Quantity Discounts
1pc. $7.00
10pc. Call Us
25pc. Call Us
50pc. $5.89
100pc. Call Us
Contact Us for Quantities over 100
10 in Stock Add to Cart
KTR-BA020142101000 (10) 14 Sintered Steel ROTEX Setscrew KTR-020141000045 $7.00 view here
Quantity Discounts
1pc. $7.00
10pc. Call Us
25pc. Call Us
50pc. $5.89
100pc. Call Us
Contact Us for Quantities over 100
10 in Stock Add to Cart
KTR-BA020142101200 (12) 14 Sintered Steel ROTEX Setscrew KTR-020141000045 $7.00 view here
Quantity Discounts
1pc. $7.00
10pc. Call Us
25pc. Call Us
50pc. $5.89
100pc. Call Us
Contact Us for Quantities over 100
5 in Stock Add to Cart
KTR-BA020142101400 (14) 14 Sintered Steel ROTEX Setscrew KTR-020141000045 $7.00 view here
Quantity Discounts
1pc. $7.00
10pc. Call Us
25pc. Call Us
50pc. $5.89
100pc. Call Us
Contact Us for Quantities over 100
7 in Stock Add to Cart
KTR-BA020142101500 (15) 14 Sintered Steel ROTEX Setscrew KTR-020141000045 $7.00 view here
Quantity Discounts
1pc. $7.00
10pc. Call Us
25pc. Call Us
50pc. $5.89
100pc. Call Us
Contact Us for Quantities over 100
10 in Stock Add to Cart
KTR-BA020142101600 (16) 14 Sintered Steel ROTEX Setscrew KTR-020141000045 $7.00 view here
Quantity Discounts
1pc. $7.00
10pc. Call Us
25pc. Call Us
50pc. $5.89
100pc. Call Us
Contact Us for Quantities over 100
10 in Stock Add to Cart
KTR-BA020142170611 1/4 14 Sintered Steel ROTEX Setscrew KTR-020141000045 $7.00 view here
Quantity Discounts
1pc. $7.00
10pc. $6.22
25pc. $6.05
50pc. $5.89
100pc. $5.73
Contact Us for Quantities over 100
9 in Stock Add to Cart
KTR-BA020142170903 3/8 14 Sintered Steel ROTEX Setscrew KTR-020141000045 $7.00 view here
Quantity Discounts
1pc. $7.00
10pc. $6.22
25pc. $6.05
50pc. $5.89
100pc. $5.73
Contact Us for Quantities over 100
7 in Stock Add to Cart
KTR-BA020142171200 1/2 14 Sintered Steel ROTEX Setscrew KTR-020141000045 $7.00 view here
Quantity Discounts
1pc. $7.00
10pc. $6.22
25pc. $6.05
50pc. $5.89
100pc. $5.73
Contact Us for Quantities over 100
5 in Stock Add to Cart
KTR-BA020142171500 5/8 14 Sintered Steel ROTEX Setscrew KTR-020141000045 $7.00 view here
Quantity Discounts
1pc. $7.00
10pc. $6.22
25pc. $6.05
50pc. $5.89
100pc. $5.73
Contact Us for Quantities over 100
17 in Stock Add to Cart
KTR-BA020196001200 (12) 19 Aluminum ROTEX Setscrew KTR-020191000045 $10.00 view here
Quantity Discounts
1pc. $10.00
10pc. Call Us
25pc. Call Us
50pc. $8.38
100pc. Call Us
Contact Us for Quantities over 100
10 in Stock Add to Cart
KTR-BA020196001600 (16) 19 Aluminum ROTEX Setscrew KTR-020191000045 $10.00 view here
Quantity Discounts
1pc. $10.00
10pc. Call Us
25pc. Call Us
50pc. $8.38
100pc. Call Us
Contact Us for Quantities over 100
8 in Stock Add to Cart
KTR-BA020196001900 (19) 19 Aluminum ROTEX Setscrew KTR-020191000045 $10.00 view here
Quantity Discounts
1pc. $10.00
10pc. Call Us
25pc. Call Us
50pc. $8.38
100pc. Call Us
Contact Us for Quantities over 100
6 in Stock Add to Cart
KTR-BA020196071200 1/2 19 Aluminum ROTEX Setscrew KTR-020191000045 $10.00 view here
Quantity Discounts
1pc. $10.00
10pc. $8.86
25pc. $8.61
50pc. $8.38
100pc. $8.16
Contact Us for Quantities over 100
8 in Stock Add to Cart
KTR-BA020196071500 5/8 19 Aluminum ROTEX Setscrew KTR-020191000045 $10.00 view here
Quantity Discounts
1pc. $10.00
10pc. $8.86
25pc. $8.61
50pc. $8.38
100pc. $8.16
Contact Us for Quantities over 100
11 in Stock Add to Cart
KTR-BA020196071901 1/8 19 Aluminum ROTEX Setscrew KTR-020191000045 $10.00 view here
Quantity Discounts
1pc. $10.00
10pc. $8.86
25pc. $8.61
50pc. $8.38
100pc. $8.16
Contact Us for Quantities over 100
10 in Stock Add to Cart
KTR-BA020246001900 (19) 24 Aluminum ROTEX Setscrew KTR-020241000045 $12.00 view here
Quantity Discounts
1pc. $12.00
10pc. $11.46
25pc. $11.14
50pc. $10.84
100pc. $10.56
Contact Us for Quantities over 100
10 in Stock Add to Cart
KTR-BA020246071901 3/4 24 Aluminum ROTEX Setscrew KTR-020241000045 $12.00 view here
Quantity Discounts
1pc. $12.00
10pc. $11.46
25pc. $11.14
50pc. $10.84
100pc. $10.56
Contact Us for Quantities over 100
10 in Stock Add to Cart
KTR-BA550057150550 (5) 5 Aluminum ROTEX -GS Clamping KTR-550051000001 $25.00 view here
Quantity Discounts
1pc. $25.00
10pc. Call Us
25pc. Call Us
50pc. $22.03
100pc. Call Us
Contact Us for Quantities over 100
8 in Stock Add to Cart
KTR-BA550077150550 (5) 7 Aluminum ROTEX -GS Clamping KTR-550071000001 $33.00 view here
Quantity Discounts
1pc. $33.00
10pc. Call Us
25pc. Call Us
50pc. $29.67
100pc. Call Us
Contact Us for Quantities over 100
8 in Stock Add to Cart
KTR-BA550077150650 (6) 7 Aluminum ROTEX -GS Clamping KTR-550071000001 $33.00 view here
Quantity Discounts
1pc. $33.00
10pc. Call Us
25pc. Call Us
50pc. $29.67
100pc. Call Us
Contact Us for Quantities over 100
10 in Stock Add to Cart
KTR-BA550077150670 1/4 7 Aluminum ROTEX -GS Clamping KTR-550071000001 $33.00 view here
Quantity Discounts
1pc. $33.00
10pc. $31.36
25pc. $30.49
50pc. $29.67
100pc. $28.89
Contact Us for Quantities over 100
10 in Stock Add to Cart
KTR-BA550077150770 5/16 7 Aluminum ROTEX -GS Clamping KTR-550071000001 $33.00 view here
Quantity Discounts
1pc. $33.00
10pc. $31.36
25pc. $30.49
50pc. $29.67
100pc. $28.89
Contact Us for Quantities over 100
10 in Stock Add to Cart
KTR-BA550097150550 (5) 9 Aluminum ROTEX -GS Clamping KTR-550091000001 $28.00 view here
Quantity Discounts
1pc. $28.00
10pc. Call Us
25pc. Call Us
50pc. $24.68
100pc. Call Us
Contact Us for Quantities over 100
19 in Stock Add to Cart
KTR-BA550097150650 (6) 9 Aluminum ROTEX -GS Clamping KTR-550091000001 $28.00 view here
Quantity Discounts
1pc. $28.00
10pc. Call Us
25pc. Call Us
50pc. $24.68
100pc. Call Us
Contact Us for Quantities over 100
13 in Stock Add to Cart
KTR-BA550097150670 1/4 9 Aluminum ROTEX -GS Clamping KTR-550091000001 $28.00 view here
Quantity Discounts
1pc. $28.00
10pc. $26.09
25pc. $25.37
50pc. $24.68
100pc. $24.03
Contact Us for Quantities over 100
10 in Stock Add to Cart
KTR-BA550097150770 5/16 9 Aluminum ROTEX -GS Clamping KTR-550091000001 $28.00 view here
Quantity Discounts
1pc. $28.00
10pc. $26.09
25pc. $25.37
50pc. $24.68
100pc. $24.03
Contact Us for Quantities over 100
10 in Stock Add to Cart
KTR-BA550097150850 (8) 9 Aluminum ROTEX -GS Clamping KTR-550091000001 $28.00 view here
Quantity Discounts
1pc. $28.00
10pc. Call Us
25pc. Call Us
50pc. $24.68
100pc. Call Us
Contact Us for Quantities over 100
19 in Stock Add to Cart
KTR-BA550097150970 3/8 9 Aluminum ROTEX -GS Clamping KTR-550091000001 $28.00 view here
Quantity Discounts
1pc. $28.00
10pc. $26.09
25pc. $25.37
50pc. $24.68
100pc. $24.03
Contact Us for Quantities over 100
12 in Stock Add to Cart
KTR-BA550097151050 (10) 9 Aluminum ROTEX -GS Clamping KTR-550091000001 $28.00 view here
Quantity Discounts
1pc. $28.00
10pc. Call Us
25pc. Call Us
50pc. $24.68
100pc. Call Us
Contact Us for Quantities over 100
10 in Stock Add to Cart
KTR-BA550127150850 (8) 12 Aluminum ROTEX -GS Clamping KTR-550121000001 $30.00 view here
Quantity Discounts
1pc. $30.00
10pc. Call Us
25pc. Call Us
50pc. $26.29
100pc. Call Us
Contact Us for Quantities over 100
10 in Stock Add to Cart
KTR-BA550127150970 3/8 12 Aluminum ROTEX -GS Clamping KTR-550121000001 $30.00 view here
Quantity Discounts
1pc. $30.00
10pc. $27.79
25pc. $27.02
50pc. $26.29
100pc. $25.59
Contact Us for Quantities over 100
10 in Stock Add to Cart
KTR-BA550127151050 (10) 12 Aluminum ROTEX -GS Clamping KTR-550121000001 $43.00 view here
Quantity Discounts
1pc. $43.00
10pc. Call Us
25pc. Call Us
50pc. $38.49
100pc. Call Us
Contact Us for Quantities over 100
10 in Stock Add to Cart
KTR-BA550127151250 (12) 12 Aluminum ROTEX -GS Clamping KTR-550121000001 $30.00 view here
Quantity Discounts
1pc. $30.00
10pc. Call Us
25pc. Call Us
50pc. $26.29
100pc. Call Us
Contact Us for Quantities over 100
10 in Stock Add to Cart
KTR-BA550147151249 (12) 14 Aluminum ROTEX-GS Clamping KTR-550141000001 $30.00 view here
Quantity Discounts
1pc. $30.00
10pc. $28.45
25pc. $27.66
50pc. $26.92
100pc. $26.21
Contact Us for Quantities over 100
9 in Stock Add to Cart
KTR-BA550147151270 1/2 14 Aluminum ROTEX -GS Clamping KTR-550141000001 $30.00 view here
Quantity Discounts
1pc. $30.00
10pc. $28.45
25pc. $27.66
50pc. $26.92
100pc. $26.21
Contact Us for Quantities over 100
9 in Stock Add to Cart
KTR-BA550147151550 (15) 14 Aluminum ROTEX -GS Clamping KTR-550141000001 $30.00 view here
Quantity Discounts
1pc. $30.00
10pc. Call Us
25pc. Call Us
50pc. $26.92
100pc. Call Us
Contact Us for Quantities over 100
10 in Stock Add to Cart
KTR-BA550147151570 5/8 14 Aluminum ROTEX -GS Clamping KTR-550141000001 $30.00 view here
Quantity Discounts
1pc. $30.00
10pc. $28.45
25pc. $27.66
50pc. $26.92
100pc. $26.21
Contact Us for Quantities over 100
10 in Stock Add to Cart
KTR-BA550147151650 (16) 14 Aluminum ROTEX -GS Clamping KTR-550141000001 $30.00 view here
Quantity Discounts
1pc. $30.00
10pc. Call Us
25pc. Call Us
50pc. $26.92
100pc. Call Us
Contact Us for Quantities over 100
10 in Stock Add to Cart
KTR-BA550197151270 1/2 19 Aluminum ROTEX -GS Clamping KTR-550191000001 $49.00 view here
Quantity Discounts
1pc. $49.00
10pc. $46.88
25pc. $45.58
50pc. $44.35
100pc. $43.18
Contact Us for Quantities over 100
10 in Stock Add to Cart
KTR-BA550197151550 (15) 19 Aluminum ROTEX -GS Clamping KTR-550191000001 $49.00 view here
Quantity Discounts
1pc. $49.00
10pc. Call Us
25pc. Call Us
50pc. $44.35
100pc. Call Us
Contact Us for Quantities over 100
10 in Stock Add to Cart
KTR-BA550197151570 5/8 19 Aluminum ROTEX -GS Clamping KTR-550191000001 $49.00 view here
Quantity Discounts
1pc. $49.00
10pc. $46.88
25pc. $45.58
50pc. $44.35
100pc. $43.18
Contact Us for Quantities over 100
10 in Stock Add to Cart
KTR-BA550247151950 (19) 24 Aluminum ROTEX -GS Clamping KTR-550241000001 $73.00 view here
Quantity Discounts
1pc. $73.00
10pc. $69.26
25pc. $67.34
50pc. $65.52
100pc. $63.80
Contact Us for Quantities over 100
10 in Stock Add to Cart
KTR-BA550247151970 3/4 24 Aluminum ROTEX -GS Clamping KTR-550241000001 $73.00 view here
Quantity Discounts
1pc. $73.00
10pc. $69.26
25pc. $67.34
50pc. $65.52
100pc. $63.80
Contact Us for Quantities over 100
10 in Stock Add to Cart

Coupling Spiders

Item Type Size Rated
Torque
(in-lb)
Material Price
(USD)
Quantity
Discounts
Stock
Status
Add To
Cart
KTR-020141000045 ROTEX 14 61.95 T-PUR $3.00 view here
Quantity Discounts
1pc. $3.00
10pc. $2.26
25pc. $2.19
50pc. $2.13
100pc. $2.08
Contact Us for Quantities over 100
2 in Stock Add to Cart
KTR-020191000045 ROTEX 19 88.50 T-PUR $5.00 view here
Quantity Discounts
1pc. $5.00
10pc. $4.47
25pc. $4.34
50pc. $4.23
100pc. $4.11
Contact Us for Quantities over 100
5 in Stock Add to Cart
KTR-020241000045 ROTEX 24 309.77 T-PUR $7.00 view here
Quantity Discounts
1pc. $7.00
10pc. $6.24
25pc. $6.07
50pc. $5.90
100pc. $5.75
Contact Us for Quantities over 100
15 in Stock Add to Cart
KTR-550051000001 ROTEX-GS 5 4.4 Polyurethane $3.00 view here
Quantity Discounts
1pc. $3.00
10pc. $2.56
25pc. $2.49
50pc. $2.42
100pc. $2.36
Contact Us for Quantities over 100
6 in Stock Add to Cart
KTR-550071000001 ROTEX-GS 7 11 Polyurethane $3.00 view here
Quantity Discounts
1pc. $3.00
10pc. $2.67
25pc. $2.59
50pc. $2.52
100pc. $2.45
Contact Us for Quantities over 100
9 in Stock Add to Cart
KTR-550091000001 ROTEX-GS 9 11 Polyurethane $4.00 view here
Quantity Discounts
1pc. $4.00
10pc. $3.18
25pc. $3.09
50pc. $3.01
100pc. $2.93
Contact Us for Quantities over 100
14 in Stock Add to Cart
KTR-550121000001 ROTEX-GS 12 44 Polyurethane $15.00 view here
Quantity Discounts
1pc. $15.00
10pc. $13.93
25pc. $13.54
50pc. $13.18
100pc. $12.83
Contact Us for Quantities over 100
10 in Stock Add to Cart
KTR-550141000001 ROTEX-GS 14 66 Polyurethane $6.00 view here
Quantity Discounts
1pc. $6.00
10pc. $5.19
25pc. $5.05
50pc. $4.91
100pc. $4.78
Contact Us for Quantities over 100
1 in Stock Add to Cart
KTR-550191000001 ROTEX-GS 19 89 Polyurethane $12.00 view here
Quantity Discounts
1pc. $12.00
10pc. $10.90
25pc. $10.60
50pc. $10.31
100pc. $10.04
Contact Us for Quantities over 100
10 in Stock Add to Cart
KTR-550241000001 ROTEX-GS 24 310 Polyurethane $13.00 view here
Quantity Discounts
1pc. $13.00
10pc. $12.10
25pc. $11.76
50pc. $11.45
100pc. $11.14
Contact Us for Quantities over 100
7 in Stock Add to Cart


Frequently Asked Questions
Where can I find a guide about a motor couplings or a motor coupling?
Anahiem Automation has a great guide about motor couplings. It shows all the different type of motor coupling products.

Where can I find a guide about a bellows couplings or a motor coupling?
Anahiem Automation has a great guide about motor couplings. It shows all the different type of bellows couplings products.


Helpful Information
What Applications are Couplings used for?
Couplings are used in servo drive technology, machine tools, packaging machinery, automation systems, printing presses, industrial robots, control and positioning technology, and general mechanical engineering.

How are Couplings Controlled
Couplings are controlled by the driving force that it is connected to. Couplings only act as extensions, transferring torque and speed from one component to another. More often than not, couplings will be connected to some type of driving force whether it is a stepper, brushless, brushed, AC, or servo motor. In turn, the motor is connected to a driver or controller which controls the speed, direction and torque of the motor. While the driver and motor control the speed and direction, the load that is attached to couplings work with both the motor and driver to determine how much torque must be outputted to remain at ideal operating parameters.

Importance of High-Precision couplings
Not only are couplings and line shafts required to transmit torque from driving to driven elements but they must also compensate for misalignment between two shafts. Precision couplings ensure a backlash and maintenance free transmission of torque throughout their operations unlike standard couplings. Precision couplings are so precise because of the tight tolerances and dimensional accuracy measured in hundredths of a millimeter of the individual precision couplingsss components. Despite the large variety, precision couplings can be divided into two main groups: torsionally rigid couplings and vibration damping couplings. The torsionally rigid couplings are often used in the X-Y axis of machine tools whereas vibration damping couplingss are mainly used in spindle motors or conveyor units.

Types of Couplings: #KEYWORD#
#KEYWORD# are mechanisms used to connect two different motor shafts within a single application. It can be used as a means to connect two different systems, to repair a single systems connection, or to reduce shock or wear between two shafts. There are two options that can be used to join a system: rigid or flexible couplers. Flexible couplers allow for some movement between the shafts, while #KEYWORD#are used when precise alignment and a secure connection are needed. #KEYWORD#help maximize a machines performance by holding the shafts tightly in place, and keeping them perfectly aligned. This also extends the machines expected lifetime. There are two different types of #KEYWORD#: Sleeve-style couplers, or clamped #KEYWORD#. The cost-effective and easy to use, Sleeve-style couplers consist of a single tube, with an inner diameter that is equivalent to the shaft size. The material that makes up the sleeve slips over the two shafts so they meet at the couplings midpoint. Set screws can be tightened to touch the top of each shaft, in order to prevent an individual shaft from passing all the way through the coupling and ensure the two meet in the middle. The second type of #KEYWORD# are Clamped, or compression #KEYWORD#. These couplers entail two pieces that fit around the shafts of the motor to form a sleeve. These #KEYWORD#can be used on fixed shafts, and are a bit more flexible than a sleeve-style coupling. They have set screws that can pass through the entire coupling, in order to ensure a firm hold. For industrial applications with heavy loads, Flanged #KEYWORD# are recommended. These #KEYWORD# have short sleeves surrounded by a perpendicular flange. Each flange faces each other, with a coupling on each shaft. Screws and bolts can be added to hold the two flanges together. Flanged components can align shafts before they are joined, due to their durability and size. When exact shaft alignment is needed for an application, typically #KEYWORD# are used. When a shaft is misaligned, both the couplings performance and lifespan are affected.

#KEYWORD# Basics
The Jaw Type #KEYWORD# is offered in the industry's largest variety of stock bore/keyway combinations. #KEYWORD# products require no lubrication and provide highly reliable service for light, medium, and heavy duty electrical motor and internal combustion power transmission applications. A #KEYWORD# is available in multiple sizes, torque ratings, and bore sizes. A#KEYWORD#is available in a variety of metal hub and inserts materials. A #KEYWORD# has hubs that are offered in sintered metal, aluminum, bronze, steel, stainless steel, and ductile iron.

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