# Martin TPB7R 2-Bolt Pillow Block Bearing 3-7/16" Bore Round Bore (RB) Cast Iron - MROSupply.com

***Martin TPB7R 2-bolt pillow block bearing with 3-7/16" round bore (RB) for shaft support. Cast iron housing provides durability for industrial applications including conveyors, fans, and power transmission equipment. Features standard 2-bolt mounting***



## Product details:

- Catalog number: TPB7R
- SKU: 252300
- Price: ***$2,344.80*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Martin Sprocket](https://www.mrosupply.com/brands/martin-sprocket/)
- Category: 
    - [2-Bolt Pillow Block Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-roller-bearings/pillow-block-bearings/2-bolt-pillow-block-bearings/)
    - [Pillow Block Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-roller-bearings/pillow-block-bearings/)
    - [Mounted Roller Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-roller-bearings/)
    - [Mounted Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/)
    - [Bearings](htts://www.mrosupply.com/bearings/)
- Unit of measure: each
- Weight: 1.250 lb
- Technicall support: contact supplier for technical support on 323-728-8117


## Product images:
- https://static.mrosupply.com/images/noimage.webp




## Product's reviews:
- Flexible coupler - Very fast and reliable shipping.
- Spur gear - Our Yellow Karcher "Duckee" steers once more.
The spur gear works as advertised!!!
- Martin flex sleeve - Great inventory easy to use website,had exactly what I needed,up and running,would use them again without a doubt, thank you!
- Sprocket lm - Good quality product, arrived on time, will continue to buy from this company




## FAQ:

- How do I choose the right type of bearing for my application?: Start with the load and how it’s applied. You need to know if you’re dealing with radial loads, axial loads, or a mix of both. Then look at speed, operating environment, and space constraints.
For example, ball bearings are great for high speed and lighter loads, while roller bearings handle heavier loads but usually at lower speeds. If there’s contamination, moisture, or heat involved, you may need sealed bearings or specific materials.
In most cases, the right choice comes down to matching load type, speed, and environment to the bearing design.