# SKF 6308/C3 Deep Groove Ball Bearing 40mm Bore C3 Clearance - MROSupply.com

***SKF 6308/C3 is a 40mm bore deep groove ball bearing with C3 greater-than-normal clearance. It features a sheet metal cage and is made of bearing steel. Suitable for electric motors, pumps, and general industrial applications.***



## Product details:

- Catalog number: 6308/C3
- SKU: 319657
- Price: ***$54.08*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [SKF Bearing](https://www.mrosupply.com/brands/skf-bearing/)
- Category: 
    - [6300 Series Ball Bearings](htts://www.mrosupply.com/bearings/ball-bearings/6300-series-ball-bearings/)
    - [Ball Bearings](htts://www.mrosupply.com/bearings/ball-bearings/)
    - [Bearings](htts://www.mrosupply.com/bearings/)
- Unit of measure: each
- Weight: 1.389 lb


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


## Product attributes;

  
- Basic Dynamic Load Rating: 42.3 kN
  

  
- Basic Static Load Rating: 24 kN
  

  
- Bearing Material: Bearing steel
  

  
- Bearing Outer Ring Locating Feature: None
  

  
- Bore Diameter: 40 mm
  

  
- Bore Type: Cylindrical
  

  
- Cage: Sheet metal
  

  
- Clearance: C3
  

  
- Coating: Without
  

  
- Dimension Type: Metric
  

  
- Filling Slots: Without
  

  
- Inner Diameter (mm): 40.000
  

  
- Limiting Speed: 11000 r/min
  

  
- Locating Feature Bearing: None
  

  
- Lubricant: None
  

  
- Lubricant (in Bearing): None
  

  
- Matched Arrangement: No
  

  
- Material/Treatment: Bearing steel
  

  
- Number of Rows: 1
  

  
- O.D. (in): 3.543
  

  
- Outer Diameter (mm): 90.000
  

  
- Pack Height: 96 mm
  

  
- Pack Length: 94 mm
  

  
- Pack Width: 27 mm
  

  
- Radial Internal Clearance: C3
  

  
- Reference Speed: 17000 r/min
  

  
- Relubrication Feature: Without
  

  
- Seal Type: N/A
  

  
- Sealing: None
  

  
- SKF Performance Class: SKF Explorer
  

  
- Tolerance Class: Class P6 (P6)
  

  
- Width: 23 mm
  

  
- Width (mm): 23.000
  

## Alternate products to `SKF 6308/C3 Deep Groove Ball Bearing 40mm Bore C3 Clearance - MROSupply.com`:
- [SKF 6308 JEM is a 40mm bore deep groove ball bearing with a machined brass cage and C3 clearance. This open bearing has no seals or shields, allowing for high-speed operation and easy relubrication. Suitable for electric motors, pumps, fans, and general industrial machinery.](https://www.mrosupply.com/products/320349/as-markdown/)
- [Nachi Bearing 6308C3 Deep Groove Ball Bearing Open](https://www.mrosupply.com/products/207793/as-markdown/)
- [SKF 6308 TN9/C3 deep groove ball bearing, 40mm bore, 90mm OD, 23mm width. Open bearing with glass-fiber-reinforced polyamide cage and C3 greater-than-normal internal clearance. Designed for high-speed operation and moderate radial loads in electric motors, pumps, and general industrial machinery.](https://www.mrosupply.com/products/2066726/as-markdown/)
- [FAG 6308-C3 deep groove ball bearing with 40mm bore and 90mm OD. Features C3 internal clearance for applications requiring higher operating temperatures or interference fits. Single row design accommodates radial and axial loads. Precision engineered by Schaeffler for reliable performance.](https://www.mrosupply.com/products/2176060/as-markdown/)
- [Koyo 6308 is a 63 series single-row deep groove ball bearing with a 40 mm straight bore, 90 mm outside diameter, and 23 mm width. Open type design with no seals or shields. Suitable for electric motors, pumps, fans, and general industrial rotating equipment.](https://www.mrosupply.com/products/1494943/as-markdown/)
- [NTN 6308C3 63 series single-row deep groove ball bearing with 40 mm straight bore, open design, and C3 internal radial clearance. Suitable for electric motors, pumps, fans, and general industrial machinery where thermal expansion accommodation is required.](https://www.mrosupply.com/products/278847/as-markdown/)
- [NSK 6308C3 deep groove ball bearing with 40 mm bore and 90 mm OD. C3 clearance provides looser internal fit for applications with thermal expansion or interference fits. Suitable for electric motors, pumps, fans, and general industrial applications.](https://www.mrosupply.com/products/5034215/as-markdown/)

## Product's reviews:
- Buyer - perfect sevice
- Bearing - Old hard to find bearing for a 85 year old tractor. Fit perfect and price was great.
- Bearing purchase - Good price and fast delivery!! Also a pleasure doing business with MROSupply.com!!
- Agradecimiento. - Excelente servicio, confiable, rápido y efectivo.
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## 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.


- What is the difference between deep groove and angular contact ball bearings?: Deep groove ball bearings are the most common type. They’re designed to handle mainly radial loads, but they can also take some axial load in both directions. They’re simple, versatile, and used in everything from motors to conveyors.
Angular contact ball bearings are built for combined loads, especially where there’s significant axial force in one direction. They’re often used in pairs and are common in higher precision or higher load applications like pumps and gearboxes.
If your load is mostly radial, go deep groove. If axial load matters more, angular contact is usually the better choice.