UCP Intake Fields

Launch Paths

Input path	Minimum fields	Meaning
Known unit part number	query.selected_part_number	Best path when the user has the printed UCP unit code.
Manufacturer + part number	identity.manufacturer, query.selected_part_number	Strong exact-match anchor.
Core dimensions	core_dims_mm.d_mm, core_dims_mm.H_mm, core_dims_mm.J_mm	Launches without a part number when fit-critical dimensions are known.

Core Parameters

Field key	Label	Meaning	Example
query.selected_part_number	Part Number	Full UCP unit part number from the original item.	UCP210FCD, UCPA209-26
identity.manufacturer	Manufacturer	Brand or manufacturer name.	KOYO, ASAHI
query.selected_bearing_number	Bearing Number	Insert bearing number if known separately from the unit.	UC210

Dimension Symbols

Symbol / field	Meaning	Why it matters
d / core_dims_mm.d_mm	Bore diameter in mm.	Shaft fit; fit-critical launch and matching anchor.
H / core_dims_mm.H_mm	Center height in mm.	Shaft centerline height; hard geometry gate.
J / core_dims_mm.J_mm	Mounting pitch in mm.	Mounting bolt spacing; hard geometry gate.
N / core_dims_mm.N_mm	Mounting hole diameter in mm.	Bolt/hole compatibility and safety gate.
L / core_dims_mm.L_mm	Overall base length in mm.	Footprint check and risk flag.
A / dims_mm.A	Housing base width.	Secondary fit/scoring dimension.
B / dims_mm.B	Insert bearing ring width.	Secondary insert-bearing comparison.
G / dims_mm.G	Recommended mounting bolt diameter.	Helps validate mounting hardware.
H1 / dims_mm.H1	Foot/base-region height.	Secondary housing geometry.
H2 / dims_mm.H2	Overall housing height.	Clearance/envelope check.
L1 / dims_mm.L1	End distance to mounting hole centerline.	Mounting pattern evidence.
N1 / dims_mm.N1	Slot or hole length metadata.	Mounting pattern detail.
S / dims_mm.S	Axial reference distance.	Secondary scoring/evidence field.

Requirement Parameters

Field key	Label	Meaning
requirements.speed_rpm	Required Speed (RPM)	Minimum operating speed the replacement must support.
requirements.relubricatable_required	Relubricatable Required	Whether replacement must support relubrication.
requirements.required_dynamic_C_N	Required Dynamic Rating (N)	Minimum required dynamic load rating.
requirements.required_static_C0_N	Required Static Rating (N)	Minimum required static load rating.
requirements.seal_type_preference	Seal Preference	Preferred seal type if the application cares.
requirements.cover_preference	Cover Preference	Preferred cover style or suffix.

Input Notes

• A part number is enough to start, but manufacturer improves confidence.
• The dimension-only path needs d, H, and J together.
• N and L are not always required to launch, but they strongly affect replacement confidence.
• Requirements are not identity fields; they are application constraints used to block or warn on candidates.