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TB Woods 7C138 Sure-Flex Plus Type C flange with 1-3/8" finished bore for a Size 7 elastomeric sleeve coupling. High-strength cast-iron construction with setscrew clamping. Compatible with EPDM, Neoprene, Hytrel, and Urethane sleeves; rated up to 940 in-lb continuous torque with EPDM/Neoprene and 2,875 in-lb with Hytrel.
MODEL 7C138
Contact supplier for technical support on: 888-829-6637
$218.89 Each
Prices are subject to change
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Typically Ships in: 1 day
Returnable: See conditions
Bore size
1 3/8 in
Bore size (in)
1-3/8
Bore tolerance
+.0005 to +.0015
Bore tolerance (in)
+0.0005 to +0.0015
Capscrew size
5/16-24 NF X 1 1/4
Capscrew size (in)
5/16-24 NF X 1 1/4
Capscrew torque requirement
9
Capscrew torque requirment (ft lbs)
30
Component WR2 (lbs ft2)
0.0596
Component WR²
0.0596
Construction type
Finish bore with keyway
Coupling size
7
Dimension (in) (C)
2 5/16
Dimension (in) (D)
4.625
Dimension (in) (H)
3-1/4
Dimension (in) (S)
7/16
Dimension (in.) (E)
1.41
Flange diameter
4.625
Horsepower Rating at 100 RPM
50
Keyseat (in)
5/16 x 5/32
Keyseat size
5/16 in x 5/32 in
Length through bore
2.3125
Material type
High strength cast iron
Max angular gap misalignment
0.081 (in) with EPDM/Neoprene Sleeves and 0.020 (in) with Hytrel Sleeves
Max angular misalignment
1° with EPDM/neoprene sleeves and 1/4° with hytrel sleeves
Max compatible bore size
1.875
Max parallel misalignment
7
Max RPM
5250
Max speed
5250
Min compatible bore size
0.625
Outside diameter
4.625
Power rating at 100 RPM
1.1 kW with EPDM or Neoprene sleeve, 3.4 kW with Hytrel sleeve
Screw size
Setscrew
Screw type
Flange, Clamp
Set screw distance
0.4375
Setscrew length
0.5
Setscrew length (in)
1/2
Setscrew size, location
5/16 18 UNC, over keyseat
Setscrew torque requirement
13
Setscrew Torque Requirment (ft lbs)
13
SF flange length
0.78125
SF hub diameter
3.25
SF hub length
31
Torque
940 in-lb with EPDM or Neoprene sleeve, 2,875 in-lb with Hytrel sleeve
Torque rate
940 (in-lbs) with EPDM or Neoprene sleeve; 2,875 (in-lbs) with Hytrel sleeve
Shaft Couplings and Collars The TB Woods 7C138 7CX1 3/8 SF Flange is a premium shaft coupling designed for high-performance applications in various industrial settings. This coupling is engineered to provide reliable power transmission while minimizing maintenance and downtime. With its robust construction and innovative design, the 7C138 coupling is an ideal choice for a wide range of operational environments.
Key Features
| High-Quality Construction | Crafted from durable materials to withstand demanding conditions and provide long-lasting performance. |
|---|---|
| Precision Engineering | Features a 3/8-inch shaft size, ensuring a precise fit for optimal operation. |
| Easy Installation | Designed for straightforward mounting and alignment, reducing installation time and labor costs. |
| Versatile Compatibility | Suitable for use in various applications, including motors, pumps, and conveyors. |
| Innovative Design | Incorporates advanced engineering principles, ensuring effective torque transmission and reduced vibration. |
Applications
| Industrial Machinery | Ideal for coupling shafts in machinery such as conveyors, pumps, and compressors, providing reliable performance in production lines. |
|---|---|
| Power Transmission | Perfect for use in energy, material handling, and food and beverage industries where reliable and efficient power transmission is crucial. |
| Maintenance Operations | The durable design minimizes wear and tear, making it suitable for maintenance-focused applications, enhancing operational efficiency. |
Benefits
| Enhanced Reliability | Reduces the risk of failure and downtime, ensuring smooth and continuous operation in critical applications. |
|---|---|
| Cost-Effective | The design and materials used in the 7C138 coupling contribute to lower maintenance costs and extended service life. |
| Performance Efficiency | Delivers effective torque transfer while minimizing vibration and noise, improving overall operational efficiency. |
| Brand | Jason Industrial |
| Model | SPA3550 |
| Brand | Jason Industrial |
| Model | SPA1407 |
| Brand | Consolidated Bearings |
| Model | HJ-313E |
Disclaimer: 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.