# Timken 3720-2 Tapered Roller Bearing Cup, Class 3 Precision, <4 in OD - MROSupply.com

***Timken 3720-2 is a single tapered roller bearing cup (outer ring) with a Class 3 (ABEC 5) precision rating, suitable for applications requiring high runout accuracy. This cup is part of the 3720 base number series and falls within the under 4-inch outside diameter size class. It is designed to be paired with a matched cone for industrial gearbox, pump, and precision shaft applications.***



## Product details:

- Catalog number: 3720-2
- SKU: 5062749
- Price: ***$21.20*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Timken](https://www.mrosupply.com/brands/timken/)
- Category: 
    - [Taper Roller Bearing Cups](htts://www.mrosupply.com/bearings/roller-bearings/taper-roller-bearings/taper-roller-bearing-cups/)
    - [Taper Roller Bearings](htts://www.mrosupply.com/bearings/roller-bearings/taper-roller-bearings/)
    - [Roller Bearings](htts://www.mrosupply.com/bearings/roller-bearings/)
    - [Bearings](htts://www.mrosupply.com/bearings/)
- Unit of measure: each
- Weight: 0.707 lb
- Returns: Yes


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


## Product attributes;

  
- 12.7 mm Redicoat: Yes Series:450000 Shaft Size:1.578 in
  

  
- 61.163 mm Outer Diameter: 2.412 in
  

  
- 61.265 mm Overall width: 0.5 in
  

  
- Housing bore: 2.408 in
  

  
- Housing Bore: 2.408 in
  

  
- Inch/Metric: Inch
  

  
- Material: Nitrile
  

  
- Outer Diameter: 2.412 in
  

  
- Overall Width: 0.5 in
  

  
- Redicoat: Yes
  

  
- Series: 450000
  

  
- Shaft Size: 1.578 in
  
## Product documents / software:

- [Product Information](https://documents.mrosupply.com/product_documents/35/81/358135/apered-Single-Roller-Bearings---TS-Engineering_946wybP.pdf)

## 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.