# MasterDrive 3LK290 LK Series Jaw Coupling Spider Insert - MROSupply.com

***MasterDrive 3LK290 LK Series jaw coupling spider insert. Flexible elastomeric element designed to accommodate angular, parallel, and axial misalignment while dampening torsional vibration in industrial power transmission systems. Durable construction ensures reliable performance and extended service life in pump, compressor, and conveyor applications.***



## Product details:

- Catalog number: 3LK290
- SKU: 2335996
- Price: ***$15.10*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [MasterDrive](https://www.mrosupply.com/brands/masterdrive/)
- Category: 
    - [3L Section](htts://www.mrosupply.com/v-belts/standard-v-belts/3l-section/)
    - [Standard V-Belts](htts://www.mrosupply.com/v-belts/standard-v-belts/)
    - [V-Belts](htts://www.mrosupply.com/v-belts/)
- Unit of measure: each
- Technicall support: contact supplier for technical support on 888-922-8767


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


## Product attributes;

  
- Bore Type: QD Bushed
  

  
- Bushing Size: F
  

  
- Bushing Type: QD
  

  
- Finish/Coating: Grey Painted Protective Coating
  

  
- k in: 1.187 in
  

  
- Length Through Bore: 3.75 in
  

  
- OD: 14 in
  

  
- Series: 8V QD Sheaves
  

  
- Sheave Construction: Web
  

  
- Sheave/Pulley Type: A-2
  

  
- Type: QD Style Heavy Duty V-Belt Sheaves
  

## Alternate products to `MasterDrive 3LK290 LK Series Jaw Coupling Spider Insert - MROSupply.com`:
- [Timken Belts (Carlisle) 3L290K Aramax Xtra Duty 3L section V-belt, 29.0" outside length, 3/8" top width. Premium wrapped construction with EPDM compound and polyester tension cord for high-torque industrial drive applications. Formerly sold as Carlisle 3L290K. ISO 9001:2015 manufactured.](https://www.mrosupply.com/products/2986075/as-markdown/)
- [Bestorq 3L290LG Lawn and Garden Belt](https://www.mrosupply.com/products/5954359/as-markdown/)
- [Gates 84236729 3L290K PoweRated V-Belt with 3L section, 29" outside length, and aramid tensile cord. Designed for lawn-and-garden and light-duty industrial drives requiring reinforced power transmission. The aramid cord provides high strength and resistance to shock loads.](https://www.mrosupply.com/products/1245803/as-markdown/)

## Product's reviews:
- Fast - Great price, fast delivery, I struggle greatly with the search engine
- Just what i needed - I needed a very small belt for my rock polisher, and it was just the right size.
- Masterdrive purchase - service and shipment was great
- Quality product - Heavy duty. Not likely to bend or warp