Engineering Data:

Values derived from these charts and formula are ADVISORY ONLY. Use of this data is at the sole risk of the user and PTE, Inc. is not responsible for any loss, injury, death or damage arising therefrom.

Reference Charts

        •  Multiple Unit De-rating Chart

        •  Bending Moment De-rating Chart

        •  Material Yield Point Chart

        •  Fasteners

                •  Tap & Drill Chart

                •  Torque Data Chart

        •  Surface Finish

Formulas

        •  Hub Diameter

        •  Axial and Torsional Load

        •  Shaft Stress

        •  Required Shaft Diameter

        •  Feet Per Minute

        •  English / Metric Conversions

        •  Keyway Depth

Hub Sizing Charts

        •  ETB23 & FETB23

        •  ETB24

        •  SETB28

        •  ETB35