# TB Woods 2BK2878 V-Belt Sheave - 2-Groove, 2.8" OD, B/5L Section, 7/8" Bore - MROSupply.com

***TB Woods 2BK2878 two-groove FHP V-belt sheave with 2.8" outside diameter and 7/8" finished bore with keyway. Compatible with B, 5L, A, and 4L cross-section belts. Cast-iron construction, balanced for industrial drives up to 8480 RPM.***



## Product details:

- Catalog number: 2BK2878
- SKU: 345132
- Price: ***$97.85*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [TB Woods](https://www.mrosupply.com/brands/tb-woods/)
- Category: 
    - [B/5L Section](htts://www.mrosupply.com/sheaves/finished-bore-sheaves/b5l-section/)
    - [Finished Bore Sheaves](htts://www.mrosupply.com/sheaves/finished-bore-sheaves/)
    - [Sheaves](htts://www.mrosupply.com/sheaves/)
- Unit of measure: each
- Weight: 2.100 lb
- Technicall support: contact supplier for technical support on 888-829-6637


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


## Product attributes;

  
- Belt section: B-5L-A-4L
  

  
- Bore type: Finished with keyway
  

  
- Bore-to-size bore diameter: 0.88
  

  
- Bore-to-size keyseat: 3/16 in x 3/32 in
  

  
- Component WR2 (lbs ft2): 0.01
  

  
- Datum diameter: 2.6
  

  
- Dimension: 0.47
  

  
- Face width: 1.75
  

  
- Face width (in): 1.75
  

  
- Groove cross section section: B
  

  
- Hub location: -0.47
  

  
- Hub location (in): -0.47
  

  
- I.D.: 2.45
  

  
- Inertia WR²: 2
  

  
- Inside diameter (in): 2.45
  

  
- Material type: CI
  

  
- Max RPM: 8480
  

  
- Number of grooves: 2
  

  
- O.D.: 2.95
  

  
- Outside diameter (in): 2.95
  

  
- Pitch diameter: 3.01
  

  
- RPM upper limit: 8480
  
## Product documents / software:

- [Catalog Product Section](https://documents.mrosupply.com/product_documents/2B/2BK2878/sec-b3.pdf)
- [Full Catalog](https://documents.mrosupply.com/product_documents/2B/2BK2878/p-1687-tbw.pdf)
- [Service Manual](https://documents.mrosupply.com/product_documents/2B/2BK2878/p-1688-tbw.pdf)

## Product's reviews:
- Tb woods - Excelent recomiendo 100%
- Great service! - It was all sent perfectly and on time
- Sales - I have all good experiences with your staff.
Thank you for the support.
- Sleeve - Thanks for quick service and delivery was not long!