NOTE: The following table represents the Standard Duty Series, however the numeric portion of each part number is consistent for each series. To interchange other inch series, these tables can be used in conjunction with the General Series Interchange to establish the numeric relationship.

The tables below provide numeric bore size conversion between manufacturers and show approximate equivalency. All manufacturers bearings may not be functionally or dimensionally interchangeable.

• STANDARD DUTY METRIC UNSEALED
• STANDARD DUTY METRIC SEALED