- The bore of the shaft diameter range 15/16in to 1-7/16in with the size range of 93 to 143: 5/16in to 3/4in with the size range of 31 to 75 for the following ring series: 5100, 5101, 5102, 5555
- The bore of the shaft diameter range 1-1/16in to 2in for the following ring series: 5108 with the size range of 106 to 200
- The bore of the shaft diameter range 1-7/16in to 2in for the following ring series: 5008 with the size range of 143 to 200
- Durable construction
