What press models is the Hornady 380100 cam bearing compatible with?

This replacement cam bearing is engineered exclusively for the Hornady Lock-N-Load 366 Auto Progressive Shotshell Press, corresponding to Key #12 on official parts schematics. It functions across all shell gauges including 12, 20, 28 gauge, and .410 bore. Please note that it will not fit Hornady metallic reloading presses like the Lock-N-Load AP, nor will it fit non-Hornady shotshell presses.

How do I install and calibrate the cam bearing on my Hornady 366 Auto press?

The cam bearing mounts onto an eccentric bolt setup within the auto-advance and crimping mechanism of your 366 Auto press. By turning this eccentric assembly during installation, you can shift the bearing left or right to fine-tune automatic advance and station timing. This simple adjustment restores smooth handle travel and precise indexing of the shell plate during your reloading strokes.

Does this mechanical replacement part require any Australian electrical or regulatory compliance?

No. The Hornady 380100 is a purely passive mechanical component weighing approximately 0.076 lbs and requires no electric power. Consequently, Australian 240V compatibility, electrical plugs, and SAA or RCM regulatory approvals do not apply to this product.

When should I look at replacing the cam bearing on my shotshell press?

You should consider replacing the cam bearing if you notice physical flat-spotting, grooving, or binding on the eccentric bolt during manual handle actuation. Swapping out a worn bearing restores smooth travel and eliminates improper indexing or timing issues during the progressive reloading cycle.

Hornady 366 Cam Bearing - Hornady 380100

The Hornady 366 Cam Bearing (Model 380100) is a factory OEM replacement mechanical component engineered specifically for the Hornady Lock-N-Load 366 Auto progressive shotshell press. Functioning as Key #12 on official equipment schematics, this unpowered guide bearing mounts to an eccentric bolt assembly within the press linkage, auto-advance, and crimping mechanism. Operators rotate this eccentric mount to adjust the bearing laterally, establishing precise station timing and automatic advance alignment across 12-gauge, 20-gauge, 28-gauge, and .410-bore setups. Replacing a seized, grooved, or flat-spotted unit with this factory part eliminates handle binding and restores smooth cycling throughout manual or pneumatic downstrokes.

Key Features

Factory OEM Precision: Serves as an authentic Hornady component designed to match the factory tolerances of the 366 Auto drive assembly.
Eccentric Timing Adjustment: Mounts directly to the eccentric bolt assembly to allow fine left-or-right adjustment of indexing and station advance timing.
Universal Gauge Fitment: Integrates into the shared frame drive mechanism across all factory calibres, including 12 ga, 20 ga, 28 ga, and .410 bore.
Wear Restoration: Solves physical grooving, shell plate indexing failures, and mechanical drag without requiring linkage or frame replacement.

Specifications

Manufacturer Model Number: 380100
Product Type: Shotshell press replacement cam bearing
Weight: 0.076 lbs (approx. 34.5 g shipping weight)
Schematic Position: Key #12 (Hornady 366 Auto parts diagram)
Power Requirements: Passive mechanical (none)
Country of Origin: Made in the USA

Who is the Hornady 366 Cam Bearing for?

Australian clay target shooters maintaining Hornady 366 Auto presses — needing to restore factory station advance and handle travel on high-volume shotshell platforms using this authentic 0.076 lbs replacement cam bearing.
Shotgun handloaders repairing progressive reloading equipment — requiring an exact 0.076 lbs OEM shotshell press replacement cam bearing to eliminate shell plate indexing errors caused by flat-spotted or worn guide components.

Less suitable for: Handloaders operating Hornady metallic reloading presses (such as the Lock-N-Load AP, Iron Press, or Classic) or non-Hornady progressive shotshell presses; these setups require press-specific metallic drive bushings or platform-matched indexing pawls designed for their unique frame linkages.

SKU	HN42861LP
Model #	380100
Brand	Hornady
Shipping Weight	1.0000kg

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Hornady 380100 366 Cam Bearing Oem Press Part 34.5g

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