6909-2RS 6909-ZZ Ball Bearing 45X68X12Bearing Number Boundary dimensions(mm)* a B C 6909 45 68 12 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 with the following part numbers on it: 6909 2RS, 6909 2RS, 6909 RS, 6909RS, 6909 ZZ, 6909 ZZ, 6909ZZ, 6909 Z The 6909 2RS and 6909 ZZ is a 45mm ball bearing that is found in many applications. The 6909 2RS ball