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TB Woods 4J25MM Sure-Flex Plus Type J flange for Size 4 elastomeric sleeve couplings with a 25 mm finished bore. Sintered carbon steel construction with a setscrew locking mechanism and 8 mm x 3.3 mm keyway. Rated for 18 Nm continuous torque at up to 7,600 RPM. Compatible with EPDM, Neoprene, Hytrel, and Urethane sleeves.
MODEL 4J25MM
Contact supplier for technical support on: 888-829-6637
$15.67 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable: See conditions
Bore size
25 mm
Bore size (mm)
25mm
Bore tolerance
+.020 to +.041
Bore tolerance (in)
+0.0005 to +0.0015
Component WR2 (lbs ft2)
0.0020
Component WR²
0.002
Construction type
Finish bore with keyway
Coupling size
4
Dimension (in) (C)
55/64
Dimension (in) (D)
2-1/2
Dimension (in) (H)
1-5/8
Dimension (in) (S)
3/16
Dimension (in) (T)
7/16
Dimension (in.) (E)
27/64
Flange diameter
2.5
Horsepower Rating at 100 RPM
2
Keyseat (mm)
8mm x 3.3mm
Keyseat size
8 mm x 3.3 mm
Length through bore
22
Material type
Sintered carbon steel
Max angular gap misalignment
1.09 mm
Max angular misalignment
1°
Max compatible bore size
28
Max parallel misalignment
1
Max RPM
7600
Max speed
7600
Min compatible bore size
13
Outside diameter
63
Power rating at 100 RPM
0.18 kW
Screw size
Setscrew
Screw type
Flange, Type J
Set screw distance
5
Setscrew length
0.25
Setscrew length (mm)
1/4
Setscrew size, location
1/4 20 UNC, One over KS and at 90 Degrees
Setscrew torque requirement
4
Setscrew Torque Requirment (ft lbs)
3
SF flange length
11
SF hub diameter
41
SF hub length
11
Torque
18 Nm
Torque rate
18 Nm
Shaft Couplings and Collars The TB Woods 4J25MM Sure-Flex Plus Flange Coupling is engineered for high-performance power transmission applications. This elastomeric coupling is designed to provide superior flexibility, accommodating shaft misalignment and reducing vibration in a wide range of industrial settings. With its robust construction and innovative design, the 4J25MM coupling is ideal for enhancing the reliability and efficiency of your machinery.
Key Features
| Elastomeric Design | The Sure-Flex Plus incorporates advanced elastomeric sleeves that offer excellent shock absorption and flexibility, ensuring smooth operation even under varying loads. |
|---|---|
| High Torque Capacity | Capable of handling significant torque loads, the 4J25MM coupling is suitable for high-demand applications, enhancing overall system performance. |
| Easy Installation | This coupling features a user-friendly design that simplifies installation and maintenance, reducing downtime and labor costs. |
| Durable Construction | Manufactured using high-quality materials, the coupling is built to withstand harsh operating conditions, ensuring a long service life. |
| Compatibility | Designed to fit standard shaft sizes, the 4J25MM is compatible with a wide range of motors and driven equipment, making it a versatile choice for various applications. |
Applications
| Industrial Machinery | Ideal for use in conveyors, pumps, and fans, where misalignment can lead to increased wear and tear. |
|---|---|
| Material Handling | Commonly employed in material handling equipment, this coupling aids in smooth power transmission and operational efficiency. |
| Energy Sector | Suitable for applications within the energy industry, facilitating reliable operation in demanding environments. |
Benefits
| Reduced Vibration | The elastomeric design minimizes vibrations, enhancing the longevity of connected components and improving overall operational efficiency. |
|---|---|
| Lower Maintenance Costs | With its durable construction and easy installation, the 4J25MM reduces maintenance needs, leading to significant cost savings over time. |
| Enhanced Performance | The coupling's ability to accommodate misalignment leads to improved performance and reliability of the entire power transmission system. |
SKU: 336840
Muy buen servicio y rapidez en la entrega
Primera vez q compro con esta compañía, recomiendo ampliamente comprar con ellos y claro q volveria a comprar otra vez muy buen servicio y entrega rapida
Read more
| Brand | NK North America Inc. |
| Model | K0253.1A25 |
| Brand | Electra/Grove Gear |
| Model | GR8300074.00 |
SKU: 336840
Muy buen servicio y rapidez en la entrega
Primera vez q compro con esta compañía, recomiendo ampliamente comprar con ellos y claro q volveria a comprar otra vez muy buen servicio y entrega rapida
Read moreDisclaimer: The return policy information shown below is merely a copy of the text as stated in TB Wood's Terms and Conditions.
File: http://documents.mrosupply.com/file_uploads/TB%20Woods%20Terms%20and%20Conditions.html
3. Claims for refunds or replacements must be made to the factory. Products may be returned only after written approval and a returned goods authorization number has been received from Customer Service or Application Engineering. Return shipments must be prepaid (Refer to Returned Goods Policy). Final decision about refund or replacement rests solely with TB Wood's Incorporated.
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Disclaimer: The return policy featured below is for distributors only. Also, it is merely a copy of the text from TB Wood's Distributor Policy and Procedures.
File: http://documents.mrosupply.com/file_uploads/TB%20Woods%20Distributor%20Policies%20and%20Procedures.pdf
Returned Goods
The policy for returning products for defects in workmanship or materials is covered under the “Product Reliability” section.
Distributors and, occasionally, OEMs may want to return products that are overstocked or slow moving. Prior approval and a returned goods authorization number must be obtained from Customer Service or Application Engineering. This number must be referenced on the returned goods shipment. It allows us to identify the contents of the shipment, the Distributor who originated it and the reason for return. Freight must be prepaid.
Products returned for reasons other than factory authorized stock adjustments must have approval from Customer Service or Application Engineering and a returned goods authorization number. They must be sent by prepaid freight and will be subject to a 15% restocking charge. There will be additional charges as necessary for re-boxing and refurbishing. Returned goods must have been manufactured and/or sold by TB Wood’s Incorporated and must be in salable condition. They will be inspected at the factory and if reconditioning is necessary it will be charged to the Distributor. We reserve the right to reject unsalable products.
No products will be accepted for return or exchange if they are obsolete.