Inch Ball Guide Post Bushings for Ball Bearing (Steel)

These inch ball guide post bushings are used as the bushing-only replacement in guided die-set mechanisms where repeatable alignment is critical. In large-mold die casting, they help maintain smooth motion between a fixed and moving platen by stabilizing the ball guide posts during open/close cycles.

Common scenarios include:

• Die casting shut-off and alignment systems: the steel construction supports consistent guidance under frequent motion, reducing misalignment-driven wear in the guide area.
• Automotive and industrial component die sets: they improve positional stability for guided components (e.g., slide or ejector interfaces) where tight assembly fit is needed.
• Precision transfer/production tooling: selected nominal post diameters help restore original fit when the bushing wears before the mating post.

Choose this variant when you need a durable steel bushing that matches the original post diameter and offers smooth alignment performance for guided bearing posts.

This product is supplied as a steel bushing-only component. Steel is selected for its balance of wear resistance and structural toughness in oscillating guide motion typical of die-set cycles.

Material and heat treatment specifics (e.g., steel grade, target hardness in HRC, and whether it is quenched & tempered or nitrided) are not provided in the available specification set. As a result, hardness and exact treatment cannot be stated from the input data.

• Wear vs. toughness trade-off: harder, case-strengthened states generally improve wear life but can reduce impact toughness if over-hardened.
• Fit-critical guidance: the bushing form factor is intended to maintain stable alignment under repeated ball-guided movement, so dimensional stability after heat treatment is important.

If you have a required hardness target or grade for your die set, share the post material/heat-treatment level so the bushing material state can be matched to your wear and cycle requirements.

Select the bushing by matching its Nom. Post Diameter (in) to the ball guide post diameter used in your die-set assembly. The available nominal post diameter options are 1, 1-1/4, 1-1/2, 1-3/4, 2, and 2-1/2 (in).

Then choose the axial L (Length) (in) within the provided range of 2 ~ 7 (in). Use L to ensure full working engagement within the guide zone—too short may reduce guidance length, while too long can interfere with adjacent components or disturb stack-up clearances.

• Core/cavity alignment logic: this bushing supports the guide interface, so its dimensions should restore the original bushing-only fit to keep platen alignment stable during casting cycles.
• Tolerance/fit considerations: because the input data lists nominal dimensions only, final fit depends on your post tolerance, machining allowances, and die-set wear condition. Verify clearances against your engineering drawing standards.
• Configurable vs fixed: Nom. Post Diameter is configurable among the listed inch sizes; L is selectable anywhere from 2 to 7 in.