Right-on with the info, except on your description, the part number 22211 would call out a 55mm bore bearing. FYI the "spacer" is call a "stabalizer ring" or "stab ring". They usually come with every new housing. They are best used closest to the driver (motor, on the head pulley) but in your...
www.bardenbearings.com/ All Barden bearings are ABEC 7 (at least and can be quite expensive). I would double check with them on the long term storage issue. They are a great company and really know their stuff, aerospace and all. Ambient vibration will be an issue and I concur on running the...
The environment is the key issue. If the bearing is in machine in a climate controlled factory the humidity effect should be minimal. The type of grease used is the other important factor. The other option is to use open bearings and provide enough lubrication to buffer against the external...
The short answer to your question is "yes" a larger internal clearance will handle more misalignment but the trade off is in the radial load. Hence, the "C0" clearance will handle more load. The reason for different clearances is to accomodate various shaft/housing fits, temps and application...
