# Koyo 21320RZW33C3 Spherical Roller Bearing - 100 mm Bore, Single Sealed, Annular Lube Groove, C3 Clearance - MROSupply.com

***Koyo 21320RZW33C3 spherical roller bearing with 100 mm bore, 215 mm OD, and 47 mm width. Features a single low-friction RZ seal, W33 annular lube groove with three lubrication holes, and C3 clearance. The straight bore design accommodates heavy radial and moderate axial loads in industrial gearboxes, fans, and conveying equipment.***



## Product details:

- Catalog number: 21320RZW33C3
- SKU: 2792717
- Price: ***$627.99*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Koyo Bearing](https://www.mrosupply.com/brands/koyo-bearing/)
- Category: 
    - [Straight / Round Bore Spherical Roller Bearings](htts://www.mrosupply.com/bearings/roller-bearings/spherical-roller-bearings/straight-round-bore-spherical-roller-bearings/)
    - [Spherical Roller Bearings](htts://www.mrosupply.com/bearings/roller-bearings/spherical-roller-bearings/)
    - [Roller Bearings](htts://www.mrosupply.com/bearings/roller-bearings/)
    - [Bearings](htts://www.mrosupply.com/bearings/)
- Unit of measure: each
- Weight: 8.790 lb
- UPC: 60579034724


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


## Product attributes;

  
- Bearing Material: 52100
  

  
- Bearing Type: Spherical Roller Bearings
  

  
- Bore Diameter: 100 mm
  

  
- Cage Material: Pressed Steel
  

  
- Cage Type: Riveted
  

  
- Dynamic Load Capacity: 519 kN
  

  
- Fillet Radius: 2.5 mm
  

  
- Internal Clearance: C3
  

  
- Lubricant: Rust Preventative
  

  
- Maximum RPM: 2200 rpm Grease/3000 rpm Oil
  

  
- Number of Rows: 2
  

  
- O.D.: 215 mm
  

  
- Outer Diameter Type: Straight
  

  
- Precision class: P0
  

  
- Retainer Material: Steel
  

  
- Retainer Type: Riveted
  

  
- Series: 21 Series
  

  
- Static Load Capacity: 524 kN
  

  
- Type: Caged Cylindrical Bore
  

  
- Width: 47 mm
  


## Product's reviews:
- Great service - great items at great price
- Koyo roller bearing inner ring - Good product.
- Admin assistance - good product!




## 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.