# Timken 239/500YMBW509C08C3 Spherical Roller Bearing, 500mm Bore, 670mm OD, Brass Cage, C3 Clearance - MROSupply.com

***Timken 239/500YMBW509C08C3 spherical roller bearing with 500 mm bore, 670 mm OD, and 128 mm width. Brass cage (YMB) for shock and high-temperature resistance, W509 lubrication feature, and C3 radial internal clearance for thermal expansion. Dynamic load rating 653,000 lbf, static load rating 1,360,000 lbf. Suitable for heavy-duty applications such as mining equipment, crushers, and large industrial gearboxes.***



## Product details:

- Catalog number: 239/500YMBW509C08C3
- SKU: 5077000
- Call for Pricing - 888-671-2883
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [Timken](https://www.mrosupply.com/brands/timken/)
- 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: 276.400 lb
- Returns: Yes


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


## Product attributes;

  
- 1360000 lbf Geometry factor: 0.1027 ISO factor:6.15 Inner ring to clear radius:0.160 in Inner ring backing diameter:542.000 mm
  

  
- 21.400 in Inner ring width: 128 mm
  

  
- 25.000 in Outer ring width: 128 mm
  

  
- 5.039 in O.D. (in): 670 mm 26.3780 Outer ring to clear radius:0.160 in Outer ring backing diameter:634.000 mm
  

  
- 5.039 in Reference thermal speed rating (grease): 520 rpm Reference thermal speed rating (oil):610 Static radial rating:2910000 N
  

  
- Cage material: BRASS
  

  
- Cage type: YMB
  

  
- Design unit: METRIC
  

  
- Dynamic radial rating (two-rows): 653000 lbf
  

  
- Geometry factor: 0.1027
  

  
- I.D.: 19.6850 in
  

  
- Inner ring "to clear" radius: 0.160 in
  

  
- Inner ring backing diameter: 21.400 in
  

  
- Inner ring width: 5.039 in
  

  
- ISO factor: 6.15
  

  
- O.D.: 26.3780 in
  

  
- Outer ring "to clear" radius: 0.160 in
  

  
- Outer ring backing diameter: 25.000 in
  

  
- Outer ring width: 5.0390 in
  

  
- Reference thermal speed rating (grease): 520
  

  
- Reference thermal speed rating (oil): 610
  

  
- Static radial rating: 1360000 lbf
  
## Product documents / software:

- [Spherical Roller Bearings Brass Cage](https://documents.mrosupply.com/product_documents/50/77/5077000/239-500ymbw509c08c3_UVShKYH)

## 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.