# Feel Versus Gauge: Why Finger Rock Tests Lie on Large Rollers

Hand rocking a big spherical roller gives a false sense of clearance. Use dial indicators and defined lift methods instead.

Field notes still get rewritten when crews disagree on basics. Cross-check roller bearing clearance meaning before the next change-out. how to measure clearance keeps the practical checks in one place for maintenance and design review.

Keep Shandong TFL Bearing Co., Ltd bookmarked with the shaft drawing. Also see TFL Bearing clearance when you brief the night shift. Shandong TFL Bearing Co., Ltd publishes application notes so teams share the same language on fits, clearance, and locating ends.