# Timken RAS1 5/16 Ball Pillow Block Housed Unit, 1-5/16 in Shaft, Two-Bolt - MROSupply.com

***Timken RAS1 5/16 is a two-bolt pillow block housed unit with a ball bearing insert for general industrial applications. This unit features a cast iron housing for durability and a setscrew locking mechanism for secure shaft mounting. It is designed for moderate radial loads and speeds in conveyor, fan, and blower systems. The bearing insert is pre-lubricated and sealed for simplified maintenance.***



## Product details:

- Catalog number: RAS1 5/16
- SKU: 5079972
- Price: ***$135.19*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Timken](https://www.mrosupply.com/brands/timken/)
- Category: 
    - [2-Bolt Pillow Block Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/pillow-block-bearings/2-bolt-pillow-block-bearings/)
    - [Pillow Block Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/pillow-block-bearings/)
    - [Mounted Ball Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-ball-bearings/)
    - [Mounted Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/)
    - [Bearings](htts://www.mrosupply.com/bearings/)- View suggested `Dodge` alternative
  [Dodge 131810 P2B-SXR-105 two-bolt pillow block bearing with eccentric collar locking, 1-5/16" (33.337mm) bore diameter, 207 series ball bearing, cast iron housing, non-expansion fixed mount, DualGuard seals.](https://www.mrosupply.com/products/129394/as-markdown/)
- Unit of measure: each
- Weight: 4.308 lb
- Returns: Yes


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


## Product attributes;

  
- 0.563 in Dimension: 51.2 mm
  

  
- 0.969 in Bolt hole spacing: 130.2 mm
  

  
- 1.875 in Bearing Type: Ball Bearing Bearing number:G1105KRRB Bolt hole length:24.6 mm
  

  
- 2.016 in Dimension d1: 54 mm
  

  
- 2.126 in Dynamic load rating: 28500 N
  

  
- 3.752 in Total length: 166.7 mm
  

  
- 3440 lbf Total height: 95.3 mm
  

  
- 5.126 in Bolt hole width: 14.3 mm
  

  
- 6.563 in Total width: 46.8 mm
  

  
- 6400 lbf Foot Height H1: 18.3 mm Housing construction:Two-bolt pillow block Seal type:Shroud Seal Series:Industrial Shaft size:1.3125 in Static load rating:15300 N
  

  
- Alternate part name: RAS1 5/16 Base to Center Height H:47.63 mm
  

  
- Alternate Part Name: RAS1 5/16
  

  
- Base to Center Height H: 47.63 mm 1.875 in
  

  
- Bearing Number: G1105KRRB
  

  
- Bearing Type: Ball Bearing
  

  
- Bolt Hole Length N1: 24.6 mm 0.969 in
  

  
- Bolt Hole Spacing J: 130.2 mm 5.126 in
  

  
- Bolt Hole Width N: 14.3 mm 0.563 in
  

  
- Dynamic Load Rating: 28500 N 6400 lbf
  

  
- Foot Height H1: 18.3 mm
  

  
- Housing Construction: Two-Bolt Pillow Block
  

  
- Seal Type: Shroud Seal
  

  
- Series: Industrial
  

  
- Shaft Size d: 1.3125 in
  

  
- Static Load Rating: 15300 N 3440 lbf
  

  
- Total Height H2: 95.3 mm 3.752 in
  

  
- Total Length L: 166.7 mm 6.563 in
  

  
- Total Width A: 46.8 mm 1.8430 in
  
## Product documents / software:

- [Fafnir Pillow Block Mounted Bearings Eccentric Lo](https://documents.mrosupply.com/product_documents/50/79/5079972/ras1-5-16_sBVIz3m)

## Product's reviews:
- Best company to buy from - I always buy from MRO is a very reliable company to work with




## 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.