This bearing coms in both a sealed and a shielded version. Please select between the two below. Select 2RS for a sealed bearing or ZZ for a shielded bearing.

This bearing can be found 17x30x7 Bearing with the following part numbers on it:
6903-2RS, 6903 2RS, 6903 RS, 6903RS, 6903-ZZ, 6903 ZZ, 6903ZZ, 6903 Z

The 6903-2RS and 6903-ZZ is a 17mm ball bearing that is found in many applications. The 6903-2RS ball bearing has two contact rubber seals one on each side of the ball bearing. The 6903-ZZ ball bearing has two non-contact metal shields one on each side of the ball bearing. If your application requires a 6903 ball bearing with only one seal or shield you SKF 6207 Bearing can get this ball bearing and take one of the shields or seals off. This 17mm inch ball bearing is high quality and can take electric motor demands if needed.