# Timken DV-178 Pillow Block Bearing Accessory, Mounted Bearing Component - MROSupply.com

***Timken DV-178 is a pillow block accessory component for mounted bearing assemblies. This part is used in the maintenance and assembly of Timken housed bearing units, including pillow blocks and flange units. It is a replacement or service part designed for industrial power transmission and conveyor systems.***



## Product details:

- Catalog number: DV-178
- SKU: 5078147
- Price: ***$2,465.02*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Timken](https://www.mrosupply.com/brands/timken/)
- Category: 
    - [Components & Accessories Mounted Roller Bearings](htts://www.mrosupply.com/bearings/mounted-bearings/mounted-roller-bearings/components-accessories-mounted-roller-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: 15.500 lb
- Returns: Yes


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


## Product attributes;

  
- 0 mm Cone backface backing diameter: 2.28 in
  

  
- 18.258 mm Cup frontface backing diameter: 3.05 in
  

  
- 34.925 mm Cage material: Stamped Steel Cage-cone backface clearance:0 in
  

  
- 58 mm Cone part number: L305649 Cone width:0.7188 in
  

  
- 77.47 mm Cup outer diameter: 3.1875 in
  

  
- 80.963 mm Cup part number: L305610D Design unit:Inch Related Assembly Number(s):L305649-90015 L305649-90037 L305649-903A2 Series:L305600 T - Bearing Width across Cones:1.6875 in
  

  
- Assembly Standout B: 1 15/32 in
  

  
- C - Double Cup Width: 1.3750 in
  

  
- Diameter S-1: 9 1/2 in
  

  
- End Plug: EPS-32
  

  
- O-Ring: 2-274
  

  
- V-Ring Seal: V-250-A
  
## Product documents / software:

- [Inch Dustac Shaft Seal](https://documents.mrosupply.com/product_documents/50/78/5078147/dv-178_R2R1H7S)

## 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.