QUOTEDPART FICTIONAL SHAFT — ESTIMATING DIMENSION SCHEDULE, REV A
Units:inches. Material:4140; incoming condition and final hardness require review.
Raw round:diameter1.625. Finished length6.000.
From endA:diameter1.500 x4.000 long; diameter1.250 x2.000 long.
Keyway on large journal:2.000 long x0.250 wide x0.125 deep, centered axially
within large journal. Internal end radius0.125.
External thread allowance:1.25-12 on small end, nominal1.000 length.
Diameter tolerance:+/-0.0005, explicit OD grind after heat treat.
Example charges quench/temper but does not specify a released hardness, runout,
thread class, grind allowance or bearing fit. Those require engineering approval.
Not a manufacturing release or an application-specific performance guarantee.