Customizing for the Client by Going Feet First – a Case Study

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Background: Franklin Miller is a manufacturer of agricultural and waste water equipment. They created a new machine designed to reduce agglomerates for one of their customers that produces crop fertilizer.

The Challenge: Due to limited available space in the application, the OEM’s design incorporated five parallel shafts requiring SAF222 housings positioned so close together that the feet couldn’t fit properly within the equipment. The OEM’s distributor had difficulty finding a manufacturer capable or willing to help with the required modifications until they reached out to PTI.

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The Solution: PTI engineers consulted with the customer and modified the SAF222 housings already in stock at PTI’s Charlotte, NC – USA headquarters to meet the space constraints of the equipment.

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Modifications included:

1. Machined feet off housings to fit in the equipment – essentially creating a tapped base design
2. Extended cap screws to allow for mounting to structure
3. Match marked housing caps and bases for easy pairing
4. Used split seals for easier assembly and removal of the split blocks. This modification also allowed the gear box and motor to stay in place and for easier impeller repair.

The Result: Franklin Miller received the ten modified housings within two months of the distributor’s initial inquiry to PTI. The retrofits allowed the machine builder to mount the housings in succession while meeting their confined space requirements.

PTI’s Ability: At PTI, we combine our engineering expertise with a focus on flexibility, ingenuity, and stock availability. Our customers’ successes are our successes.

Click here to view the PDF of this case study. Do you need help with creating new or improving on existing equipment? Contact us to find out how our engineers can help.

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About PTI: Upon opening in 1994, PTI has specialized in serving the growing niche market of Metric products. As demand has increased over the years, so has our product offering. Today, our customers enjoy a huge offering of both Metric and Inch-based products for the Industrial Power Transmission Industry.

Want to learn more about PTI? Click here to view our company overview video. View our products, other case studies, videos and more at www.ptintl.com.

PTI Welcomes Our Newest Staff Additions

PTI is growing! We are excited to add two new members to the PTI team:

George Dib, Regional Sales Manager – East Region
george-with-pti-bannerWith 25 years of industry experience in sales and marketing, George is supporting our sales efforts in the Carolinas, Eastern Seaboard, as well as Mississippi and Tennessee.

George said, “I am excited to join PTI.  With 6 engineers on staff here in Charlotte, nearly 300 years of combined industry experience plus resources such as 3D printers, lasers, and inspection equipment, coupled with a 70,000+ square foot warehouse, there is much that can be accomplished with our reps and distributors while offering leading edge solutions and products to our customers. I am glad to be a part of the PTI Team!

A local South Carolinian, George graduated with a B.S. in Business Administration/Computer Information Systems from USC Upstate and earned his MBA in Finance from Rensselaer Polytechnic Institute. George and his wife of 24 years reside in South Carolina and have 4 sons.


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Marlene Brenning, Inside Sales Representative – PTI Headquarters, Charlotte, NC – USA
Marlene brings 18 years of industry experience in sales and customer service to PTI. She has joined our inside team to assist customers with sales inquiries and orders, as well as to provide general product and order assistance.

Marlene stated, “From day one, I’ve remained impressed by the extensive technical knowledge and longevity of our inside sales team, the encouraging leadership style of our management team, and the passion for excellent customer service that’s shared by the entire staff at P.T. International Corp. I am excited to be a part of the PTI team as we revolve around our customers with excellence.”

An Ohio Native, Marlene relocated to North Carolina to join the PTI team and for the favorable weather. Originally from New London, Ohio, Marlene graduated with a B.S. in Business Management from Hiram College and has two sons.


259.jpg “PTI is pleased to welcome George Dib and Marlene Brenning to the team! Both George and Marlene offer extensive industry knowledge and experience to benefit our customers. These new additions further convey the message that PTI is a complete resource for Metric and American Standard power transmission products.”
~Darin Davenport, President, P.T. International Corp.


About PTI: Upon opening in 1994, P.T. International Corp. (PTI) has specialized in serving the growing niche market of Metric products. As demand has increased over the years, so has our product offering. Today, our customers enjoy a huge offering of both Metric and Inch-based products for the Industrial Power Transmission Industry.

Want to learn more about PTI? Click here to view our company overview video. View our products, other case studies, videos and more at www.ptintl.com.

Understanding the Needs of Our Clients – A Case Study

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Background: A large regional service provider maintains, retrofits, refurbishes, and distributes spare parts for street sweepers, highway maintenance vehicles and electrical service trucks. They purchase a variety of mounted bearings including a competing manufacturer’s two-bolt pillow block with concentric locking collar.

The Challenge: Pricing was steadily increasing each year, prompting the service provider to seek out a cost-saving solution that would also allow them to increase their own spare parts sales.

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The Solution: After receiving a sample, PTI consulted with the customer and redesigned the pillow blocks to the client’s specifications. PTI recommended zerk extensions to allow for easier maintenance and greasing, and changed the original seal design to a nitrile rubber lip seal with a metal flinger to protect the bearing from the high amount of contaminants and wet environment common with the application. Additionally, PTI marked the housings with the service provider’s name to help them generate repeat business.

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The Result: The PTI solution resulted in a 40% cost savings plus shorter lead times. The customer was very impressed with PTI’s response time, flexibility, and recommendations, which led to two more custom bearing design projects.

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PTI’s Ability: PTI is committed to creating innovative and durable products for the industrial power transmission industry. Through relentless attention to detail and value-added recommendations, PTI delivers.

Click here to view the PDF of this case study. Do you need help improving an existing or creating a new product? Contact us to find out how our engineers can help.

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About PTI: Upon opening in 1994, PTI has specialized in serving the growing niche market of Metric products. As demand has increased over the years, so has our product offering. Today, our customers enjoy a huge offering of both Metric and Inch-based products for the Industrial Power Transmission Industry.

Want to learn more about PTI? Click here to view our company overview video. View our products, other case studies, videos and more at www.ptintl.com.

Product Availability When It Matters Most – A Case Study

When PTI’s on-call employee learned an aggregates manufacturer needed a large split block housing ASAP because of a conveyor failure on a Sunday, he immediately got to work…

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The Challenge: One of a large cement and aggregates manufacturer’s Midwest plants was in operation on a Sunday morning when one of their large split block housings failed on the conveyor, halting operation. The manufacturer needed a replacement part as soon as possible, but their distributor learned that their existing supply base didn’t have any housings available in that size. It’d be a 10-12 week lead time to get a replacement.

The Solution: The distributor contacted PTI’s local sales representative, who then reached PTI’s after-hours service. Our on-call employee interchanged the competitor’s part number, checked inventory, and quickly confirmed that the required unit – a metric plummer block with a 240mm shaft (PTI Part No. SD3152TS) – was in stock at our warehouse in Charlotte, NC. The distributor then emailed a purchase order to us and coordinated transport with an air freight courier.

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(The Solution continued): Because the housing just barely exceeded the air freight weight limit, we removed the cap from the base and packaged them on separate pallets. The courier transported the pallets to the airport to be shipped out that evening. The receiving airport freight department was closed for the night, so the housing was picked up early the next morning. It was transported 150 miles and arrived at the plant Monday morning at 8:30 a.m. local time.

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The Result:
With PTI’s 24/7 availability and experienced staff, the manufacturer was able to get a replacement part in less than 24 hours. The distributor also enjoyed a significant savings of 38% by using PTI, which helped off-set the courier and air freight charges.

PTI’s Ability: PTI stocks 25,000+ SKUs at our 70,000 sq ft warehouse in Charlotte, NC – USA. Examples like this one help demonstrate why we are known for both our product availability and dedicated customer service.

Click here to view the PDF of this case study.

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About PTI: Upon opening in 1994, PTI has specialized in serving the growing niche market of Metric products. As demand has increased over the years, so has our product offering. Today, our customers enjoy a huge offering of both Metric and Inch-based products for the Industrial Power Transmission Industry.

Want to learn more about PTI? Click here to view our company overview video. View our products, other case studies, videos and more at www.ptintl.com.

6 Key Features of a HT Mounted Ball Bearing

High temperature applications require mounted ball bearings that don’t just withstand the heat, but that also ensure your application remains safe and operational…

Here are 6 key features to look for when choosing a high temperature (HT) mounted ball bearing:

  1. High Temperature Lubrication: A high temp bearing will still fail prematurely without the correct lubrication. Lube fill rates are typically 35 to 55%, but for low speed or frequent wash-downs, we recommend higher fill rates.*
  2. C4 Internal Clearance: C4 ensures there is more internal clearance to accommodate thermal growth of races vs. the standard C3 clearance.
  3. Heat Stabilized Races & Steel Cages (aka Retainers): Why? These can handle higher temperatures and the cage will not become brittle like polyamide or glass fiber cages.
  4. Anti-Rotation Pins on the Bearing Insert’s OD (Outer Diameter): These help to both align the insert easily and restrict rotation due to temperature fluctuations.
  5. High Temperature Silicon Bearing Seals: These provide added protection from elevated temperatures and corrosive environments up to 390F (200C). Stainless steel flingers are standard on PTI high temperature bearings and can be removed if needed.
  6. Clearly Marked and Tagged Housings: Last but not least, it’s crucial that those individuals installing and maintaining the bearing will recognize it as a high temperature bearing and will use the proper lubrication.

*PTI Engineers are available to help consult on proper lubrication options for heavy load applications.

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PTI’s high temperature (HT) bearings can be installed in any of our 700 Metric or American Standard housing types. HT inserts from 1/2″ to 3-1/8″ and from 12mm to 80mm shaft sizes are stock. Click here to view more about our High Temperature Mounted Ball Bearings.

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About PTI: Upon opening in 1994, PTI has specialized in serving the growing niche market of Metric products. As demand has increased over the years, so has our product offering. Today, our customers enjoy a huge offering of both Metric and Inch-based products for the Industrial Power Transmission Industry.

Want to learn more about PTI? Click here to view our company overview video. Check out our case studies, videos, product information and more at www.ptintl.com.

Engineering to Client Specifications – A Case Study

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The Background: A well-established distributor supplies bearings, belting, electrical equipment and more for the electrical, power transmission, and automation industries. They regularly purchase a two-bolt flange mounted ball bearing for their customer from a competing manufacturer.

The Challenge: The distributor was becoming increasingly unhappy with longer lead times from their existing supplier and learned that the supplier was planning to discontinue the product. PTI’s local sales representative shared PTI’s lead times, pricing and standard part dimensions with the distributor. PTI’s price and delivery were satisfactory, but the length through bore (LTB) dimension was slightly longer than the customer’s application allowed.

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The Solution: Two days after PTI’s Engineering Team received the required specifications from the distributor, they provided revised product drawings and shipped out a 3D printed sample. The 3D printed housing matched the customer’s needs perfectly, and they immediately placed an order for 1200 units.

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The Result: The distributor recognized a 25% cost savings by switching to PTI, allowing for margin enhancement for the branch and a significant savings for their customer. Lead times were also significantly reduced:

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PTI’s Ability: An experienced engineering team and a focus on flexibility and customer service allows PTI to efficiently and effectively solve problems and meet unique application requirements with a quality product and in a timely manner. PTI takes pride in exceeding our customers’ needs and expectations.

Click here to view the PDF of this case study. Do you need help improving an existing or creating a new product? Contact us to find out how our engineers can help.

You can subscribe to more PTI updates at the bottom of our homepage.

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About PTI: Upon opening in 1994, PTI has specialized in serving the growing niche market of Metric products. As demand has increased over the years, so has our product offering. Today, our customers enjoy a huge offering of both Metric and Inch-based products for the Industrial Power Transmission Industry.

Want to learn more about PTI? Click here to view our company overview video. Check out other videos, products, and more case studies at www.ptintl.com.

Why Did My Bearing Fail?

Here are the Top 10 Reasons Why Bearings Fail:

  1. Ineffective / Wrong Type of Lubrication*
  2. Insufficient Amount of Lubrication*
  3. Excessive Amount of Lubrication*
  4. Misalignment
  5. Contamination
  6. Inadequate Bearing Clearance
  7. Undersized Shafting
  8. Imbalance in the System
  9. Improper Bearing Selection for Application
  10. Improper Mounting / Handling

*Lubrication is the #1 cause of failure. Typically a little bit of grease at frequent intervals is better than a lot of grease at infrequent intervals. Click here to view more lubrication tips.

PTI has the product, engineers and experience to both help you diagnose your bearing failures and recommend improved strategies to increase bearing life. For help with improving the life of your bearings, please contact us.

Speaking of mounted bearings…

…PTI offers the widest assortment of housings and ball bearing inserts in the industry. We stock over 700 housing types including popular European Metric, Asian Metric, and American Standard configurations. Click here to view all of our mounted ball bearings.

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About PTI: Upon opening in 1994, PTI has specialized in serving the growing niche market of Metric products. As demand has increased over the years, so has our product offering. Today, our customers enjoy a huge offering of both Metric and Inch-based products for the Industrial Power Transmission Industry.

Want to learn more about PTI? Click here to view our company overview video. Check out our case studies, videos, product information and more at www.ptintl.com.