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On-Demand CNC Platform

CNC Machining for
Conveyors & Material Handling

We machine drive roller shafts, sprocket hubs, bearing blocks, guide rails, idler brackets, and tensioner housings in 4140 steel, 1045 carbon steel, and ductile iron. Tight journal tolerances with full traceability. Ships anywhere in the US.

Securely upload your 3D CAD file for immediate pricing and DFM feedback.

$45B+
US material handling
equipment market
MHI 2024
120K+
Material handling workers
across the US
BLS 2024
±0.001"
Standard tolerances
on bearing journals
RivCut capability
5-Day
Standard turnaround
from bar stock
Typical lead time

Precision CNC Machining for Conveyor Manufacturers

Conveyor and material handling systems demand precise shaft journals, accurate sprocket bores, and durable bearing housings that withstand continuous operation under heavy loads. A drive shaft with 0.003 inches of runout can cause belt tracking problems and premature bearing failure. We machine 4140 steel, 1045 carbon steel, ductile iron, and 316 stainless to tolerances as tight as ±0.0005 inches. Every order ships with CMM inspection reports and full material certs.

1

Wear-Resistant Materials

We source and machine 4140/4340 steel, 1045 carbon steel, ductile iron, and 316 stainless — all with full material certs and heat lot traceability for demanding conveyor applications.

2

Precision Journal Work

We hold ±0.001" on bearing journals and ±0.0005" on critical press-fit bores. Shaft runout and concentricity are verified on every drive component.

3

Full Documentation

Dimensional inspection reports, material certs, and hardness verification — whatever your quality system requires for component acceptance and warranty compliance.

Parts for Conveyor & Material Handling Companies

Drive shafts, sprocket hubs, bearing blocks, and more — in heavy-duty alloys.

Drive Roller Shafts

Drive and tail roller shafts machined from 4140 steel, 1045 carbon steel, and 316 stainless. Bearing journals, keyway slots, and shaft shoulders held to ±0.001" with tight runout specs for smooth belt tracking.

4140 & 1045 steel

Sprocket Hubs

Chain drive sprocket hubs machined from 4140 steel and ductile iron. Bore IDs, keyway slots, and set screw flats held to ANSI B17.1 specs. Press-fit bores to ±0.0005" for zero-backlash operation.

±0.0005" bore fits

Bearing Blocks

Split and solid bearing blocks machined from ductile iron, 4140 steel, and cast iron. Bearing bore IDs, bolt patterns, and mounting faces held to tight tolerances for proper shaft alignment and long bearing life.

Ductile iron & 4140

Guide Rails

Linear guide rails and wear strips machined from 4140 steel, hardened tool steel, and UHMW-compatible steel plates. Ground surfaces to 16 Ra for low-friction sliding contact. Bolt patterns and mounting slots held to ±0.001".

Ground to 16 Ra

Idler Brackets

Idler and return roller brackets machined from mild steel, 4140 steel, and ductile iron. Slot widths, bearing pocket bores, and bolt patterns machined for drop-in installation on standard conveyor frames.

Mild steel & ductile iron

Tensioner Housings

Belt and chain tensioner housings machined from ductile iron, 4140 steel, and aluminum. Spring pockets, pivot bores, and adjustment slot features held to specs for consistent belt tension across the conveyor run.

4140 & ductile iron

Serving the US Conveyor & Material Handling Industry

The US material handling industry moves everything from Amazon packages to coal to grain. Every conveyor belt, chain drive, and sortation system depends on precisely machined shafts, sprockets, and bearing housings that run 24/7 without failure.

OEMs, system integrators, and maintenance teams need machine shops that can hold tight journal tolerances on hardened shafts, produce replacement parts quickly, and deliver full documentation for warranty and compliance records.

Whether you're building new conveyor lines or keeping existing systems running, we want to be your machining partner. Upload your file for instant AI pricing — we ship anywhere in the US.

Caterpillar — Heavy Equipment OEM

Caterpillar's mining and aggregate conveyor systems require heavy-duty shafts, sprockets, and structural components that endure extreme loads and abrasive environments.

John Deere — Agricultural & Industrial

Deere combine harvesters, grain handling systems, and material processing equipment require precision-machined auger shafts, sprocket assemblies, and bearing housings.

Parker Hannifin — Motion & Control

Parker's conveyor drive systems, clutches, and power transmission components require precision-machined shafts, couplings, and housing assemblies.

Emerson — Process Automation

Emerson's power transmission brands including Browning, Morse, and Sealmaster drive demand for precision sprockets, bearing housings, and conveyor drive components.

Honeywell — Diversified Industrial

Honeywell Intelligrated warehouse automation and sortation systems require precision-machined diverter arms, roller shafts, and guide rail assemblies.

Built for Conveyor & Material Handling Teams

Heavy-duty components need a shop that understands shaft work and wear resistance.

Precision Shaft Turning

We turn drive shafts up to 48 inches long with tight journal tolerances, runout specs, and keyway cuts. Bearing seats and shoulders held to ±0.001" for proper fit and long service life.

Wear-Resistant Finishes

We coordinate hard chrome, black oxide, zinc plating, and induction hardening through our finishing partners. Parts come back for final inspection before shipping to you.

Full Material Traceability

Every order ships with mill certs and heat lot numbers. 4140 steel, 1045 carbon steel, and ductile iron all traced from raw stock to finished part.

Fast Replacement Parts

Conveyor downtime costs money. We turn around replacement shafts, sprockets, and bearing blocks in 5 to 7 days standard. Rush in 3 to 4 days for critical breakdowns.

Certifications & Standards
Active
NIST-Traceable Gauges
All measuring equipment calibrated to NIST standards. CMM, micrometers, bore gauges, and surface profilometers.
Active
Material Certifications
Every order ships with mill certs and heat lot traceability. Hardness testing available on heat-treated components.
In Progress
ISO 9001-aligned
Quality management system certification. Our QMS follows ISO 9001 structure. Formal certification in progress.
Planned
CEMA Standards
Conveyor Equipment Manufacturers Association standards compliance for belt conveyor components. On our roadmap.

Questions about our current quality setup? Email us — we'll send our documentation package.

From File to Part in 3 Steps

Simple, clear, and designed for fast-moving industrial teams.

Step 1

Upload & Quote

Send your STEP or IGES file. Pick your material, quantity, and finish. Our AI gives you a real price right away. We also run a free DFM check and flag features that could affect assembly fit.

Step 2

We Machine & Inspect

Your parts run on our CNC mills and lathes. Every order gets CMM inspection. We verify every journal, bore, keyway, and mounting feature before anything ships.

Step 3

Ship with Full Docs

Parts ship with dimensional inspection reports, material certs, and hardness verification. Everything your maintenance or engineering team needs for installation and warranty records.

Questions from Conveyor & Material Handling Teams

We machine 4140 and 4340 steel, 1045 carbon steel, ductile iron, 316 stainless steel, and UHMW-compatible metal parts for conveyor shafts, hubs, and bearing housings. All materials ship with mill certs.
Yes. We machine drive roller shafts up to 48 inches long on our CNC lathes. Bearing journals, keyway slots, and shaft shoulders are held to ±0.001 inches with runout specs for smooth rotation.
We hold ±0.0005 inches on sprocket hub bores for press-fit and keyed shaft applications. Keyway widths and depths are held to ANSI B17.1 specs. We CMM inspect every hub before shipping.
Yes. We machine split and solid bearing blocks from ductile iron and 4140 steel. Bearing bore IDs, bolt patterns, and mounting faces are held to tight tolerances for proper shaft alignment.
We coordinate hard chrome plating, black oxide, zinc plating, and thermal spray coatings through our finishing partners. Parts come back for final inspection before shipping to you.
We offer as-machined, ground to 16 Ra, hard chrome plated, and black oxide finishes. Guide rail surfaces can be ground for low-friction sliding contact. Tell us your spec and we'll confirm.
Prototype conveyor components typically ship in 5 to 7 business days from bar stock. Rush orders on simple shafts and brackets can ship in 3 to 4 days. Tell us your deadline.
Upload your STEP or IGES file at rivcut.com/quote. Choose your material, quantity, and finish. Our AI gives you a price right away. For large assemblies, email hello@rivcut.com.

Conveyor CNC Machining by City

We serve conveyor manufacturers in cities across the US.

Upload Your Conveyor CAD File

Drive shafts, sprocket hubs, bearing blocks, guide rails — we machine them all. Get instant AI pricing now. Prototypes ship in as few as 3 days.

No minimums · 100% Made in USA · Never brokered · Ships anywhere in the US

AI price estimates are usually within ±20% of final price. Complex parts may get a human review within one business day before pricing is confirmed.

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