# NSK 6307DUC3 Sealed Deep Groove Ball Bearing - 35 mm Bore, Double Sealed, C3 Clearance - MROSupply.com

***NSK 6307DUC3 deep groove ball bearing with 35 mm bore and 80 mm OD. Double contact rubber seals (DDU) provide contamination protection, and C3 internal clearance accommodates thermal expansion. Suitable for electric motors, pumps, fans, and general industrial applications.***



## Product details:

- Catalog number: 6307DUC3
- SKU: 5034201
- Price: ***$61.71*** Each
- Shipping: ***FREE SHIPPING***  ON ORDERS OVER $100
- Typically Ships in: 1 day
- Brand: [NSK Bearings](https://www.mrosupply.com/brands/nsk-bearings/)
- 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: 0.990 lb
- Returns: Yes


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



## Alternate products to `NSK 6307DUC3 Sealed Deep Groove Ball Bearing - 35 mm Bore, Double Sealed, C3 Clearance - MROSupply.com`:
- [SKF 6307-RS1/C3 deep groove ball bearing, 35mm bore, single sealed with NBR rubber on one side, C3 clearance. Sheet metal cage, bearing steel construction. Suitable for electric motors, pumps, and general industrial applications.](https://www.mrosupply.com/products/319652/as-markdown/)
- [SKF 6307 RSJEM deep groove ball bearing, 35mm bore, C3 clearance, sheet metal cage. Single-row design for high-speed operation and moderate radial loads. Suitable for electric motors, pumps, and general industrial machinery.](https://www.mrosupply.com/products/320340/as-markdown/)
- [FAG 6307RSR.C3 deep groove ball bearing with 35mm bore. Double sealed (RSR) for contamination protection, C3 internal clearance for thermal expansion. Ball guided cage. Suitable for high-speed applications requiring reduced maintenance.](https://www.mrosupply.com/products/2176049/as-markdown/)
- [Koyo 6307RSH2C3 is a 63 series single-row deep groove ball bearing with a 35 mm straight bore. It features a single rubber seal and C3 clearance. The bearing has an 80 mm outside diameter and a 21 mm width. Suitable for electric motors, pumps, and general rotating machinery.](https://www.mrosupply.com/products/2792896/as-markdown/)
- [NTN 6307LUC3 63 series single-row deep groove ball bearing with a 35 mm straight bore. Features a single rubber contact seal (LU), stamped steel cage, and C3 internal clearance. Constructed from high carbon chrome steel for electric motors, pumps, fans, and general rotating machinery.](https://www.mrosupply.com/products/278869/as-markdown/)

## Product's reviews:
- Sales - Great Service !!
- Had what i needed - Found the bearing I needed. Reasonable price. Great phone support.
- Purchasing specialist - Great!!!




## 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.