Industrial Bakery Chain
Extra-Clearance High-Temperature Chain – 25.40 mm Pitch
Extra-Clearance High-Temperature Chain – 25.40 mm Pitch is presented as a measured-geometry configuration for industrial bakery conveying. Use the dimensional values below for identification and RFQ preparation; final material, heat treatment, clearance, working rating and attachment details are confirmed for the ordered configuration and actual machine duty.
Configuration Overview
Extra-Clearance High-Temperature Chain – 25.40 mm Pitch is presented as a measured-geometry configuration for industrial bakery conveying. Use the dimensional values below for identification and RFQ preparation; final material, heat treatment, clearance, working rating and attachment details are confirmed for the ordered configuration and actual machine duty.
This chain can be reviewed for proofing, baking, cooling, pan handling or transfer service depending on the category and installed interface. A replacement match should preserve pitch, transverse dimensions, sprocket engagement and carrier location.
How the Chain Is Built
A conveyor chain is a sequence of articulated bearings restrained by link plates. The pin and bush establish the bearing joint; a roller or bush engages the sprocket and, where applicable, runs on a track. Bakery versions may add stainless construction, increased clearances, extended pins, hollow pins or attachments for pans and carriers.
Do not use a photograph alone to approve interchangeability. Two chains can look alike while differing in inside width, pin length, attachment offset or roller diameter. Those differences affect sprocket seating, tracking and machine clearances.
Dimension Reference
The drawing/diagram is shown complete and is not cropped. Use it with the table below for RFQ preparation.
Technical Specifications
| Specification | Reference value |
|---|---|
| Pitch 25.40 mm | Confirm on drawing |
| Width between link plates 15.88 mm | Confirm on drawing |
| Roller diameter 15.88 mm | Confirm on drawing |
| Link plate height 24.10 mm | Confirm on drawing |
| Pin diameter 7.92 mm | Confirm on drawing |
| Pin length 35.89 mm | Confirm on drawing |
Values shown here are identification dimensions associated with this configuration. Confirm the final production drawing before installation, especially where material, clearance, attachment position or performance rating is application-dependent.
Bakery Application Context
In bakery equipment, chain duty is defined by more than the product being conveyed. Proofing systems add humidity and long circulation paths; ovens add heat and thermal movement; cooling conveyors may use long transfer routes; pan and tray systems add concentrated carrier loads; packaging areas often require stable, clean transfer.
Record the machine zone, product carrier, chain speed, load per carrier and cleaning routine. If the chain passes through a transition between zones, include that transition in the RFQ because temperature and contamination can change along the route.
Selection and Customization
Geometry match
Confirm pitch, inside width, roller/bush diameter, pin diameter, plate height and overall width.
Attachment match
Define mounting holes, bend direction, offset, cross-rod size and repeated spacing.
Material choice
State moisture, washdown, cleaning chemistry and temperature; material is confirmed against those conditions.
System check
Inspect sprockets, guides, take-up and alignment so a new chain is not installed into a worn or misaligned system.
Installation, Inspection and Maintenance
Before installation, lock out the machine and inspect the sprockets and guides. Worn or hooked teeth can prevent smooth roller seating and accelerate wear in a new chain. Confirm that shafts are aligned, the take-up has usable travel and parallel strands remain synchronized where the conveyor uses more than one chain.
During commissioning, watch the chain through at least one complete circuit. Look for tight joints, side rubbing, carrier interference and unusual noise at sprocket entry or exit. After the initial running period, recheck tension or take-up position according to the machine maker’s practice.
For maintenance planning, our bakery chain maintenance guide covers inspection points, while the High Temperature Conveyor Chains page compares related configurations.
Manufacturing and Inspection
Dimensional inspection should verify the characteristics that control interchangeability: pitch consistency, transverse width, pin projection, roller or bush size and attachment location. For custom configurations, inspection should also verify the carrier hole pattern and attachment interval against the approved drawing. Product-specific inspection documents can be arranged according to the confirmed order requirements.
Company Verification for Buyer Review
Third-party supplier audit and company verification supported by SGS and TÜV Rheinland are available to help buyers review company identity, business operations, supplier profile and general manufacturing capability. Product-specific inspection reports, material documents or compliance records can be provided according to order requirements and the confirmed product scope.
Machine-Side Verification Before Release
Reproduce the identification dimensions
For Extra-Clearance High-Temperature Chain – 25.40 mm Pitch, record Pitch 25.40 mm, Width between link plates 15.88 mm, Roller diameter 15.88 mm, Link plate height 24.10 mm using consistent datum points. Where wear is visible, measure over several pitches and note whether the chain is relaxed or under load. The objective is a dimension set another engineer can reproduce, not a single convenient measurement.
Check the chain route, not only the strand
Trace the product through heated conveyor sections and oven-adjacent transfer systems. Mark drive and tail sprockets, guide rails, return tracks, transfer points and the take-up position. Local scuffing or a tight section can indicate alignment or clearance problems that a new chain alone will not correct.
Treat the interface as a load path
Review sprockets, guide tracks, support rollers and carriers. If pans, rods or brackets are fitted, record their hole pattern, offset and repeated spacing. Confirm whether the carrier is rigidly fixed or allowed to articulate, because an over-constrained carrier can force parallel strands out of alignment.
Separate fixed geometry from selectable details
Machine pitch, chain centers and carrier mounting points are often fixed by the existing equipment. Material, joint clearance, roller style or attachment manufacturing method may have room for review. This distinction keeps replacement work compatible while allowing the ordered configuration to reflect sustained or cyclic high temperature with thermal expansion at the joints.
| Check | Why it matters | What to send or verify |
|---|---|---|
| Installed geometry | Verify Pitch 25.40 mm, Width between link plates 15.88 mm, Roller diameter 15.88 mm, Link plate height 24.10 mm against the existing chain or approved machine drawing. | Dimensioned sketch plus side/end photos. |
| Sprockets and guides | Check tooth profile, alignment, guide contact and roller seating. Worn mating parts can make a new chain appear to stretch or run rough. | Tooth count, sprocket photos and guide layout. |
| Take-up and wear | Record current take-up position and any adjustment history. Multi-pitch measurement helps separate joint wear from a simple installation-length issue. | Take-up travel and multi-pitch reading. |
| Environment | Document sustained or cyclic high temperature with thermal expansion at the joints. State normal conditions and short peaks separately where temperature is involved. | Temperature/humidity/cleaning description and lubrication constraints. |
| Release check | Before ordering, compare the proposed chain with guards, sensors, transfers and the full carrier envelope. The final drawing should control dimensions and options, especially where loss of articulation, accelerated wear and interference as components expand is possible. | Approved drawing revision and requested quantity/length. |
Ordering Information
Order Planning & Commercial Terms
MOQ: evaluated by product type, manufacturing batch and order value. Standard catalogue items generally use quantity-based production minimums, while large or high-value items can be reviewed by project value.
Samples: new customers may request 1–5 pieces when the selected chain type and manufacturing route are suitable. Sample pricing and feasibility are confirmed before production.
Mixed orders: multiple models may be combined toward an order value of approximately USD 1,500, subject to process compatibility and packing requirements.
Very small quantities: 1–2 pieces are considered only for approved sample, replacement or engineering cases; routine retail orders are not accepted, and special handling can result in a higher unit cost.
Lead time: standard items typically 10–25 working days; custom components 20–45; project-based equipment or complex packages 45–120, after drawing and order confirmation.
Trade terms: EXW, FOB, CIF and DAP are commonly supported. FCA, CFR, CPT, CIP and DDP can be discussed for the destination and shipment plan.
Commissioning Checkpoints
Confirm the installed geometry before power-up
For Extra-Clearance High-Temperature Chain – 25.40 mm Pitch, verify chain centers, sprocket alignment, guide clearance and the mating carrier or attachment with the machine stationary. Turn the system manually where the machine design permits. The chain should enter and leave each sprocket without side forcing, and no attachment, rod or plate should contact a guard or guide through the heated route.
Observe one complete path, not only the drive end
Run at a controlled commissioning speed and watch the loaded and return runs. Pay particular attention to clearance and joint movement. Listen for a repeating impact and mark the machine position where it occurs. A symptom that repeats at one location is often more useful than a general statement that the chain is noisy or tight.
Recheck after the real process condition is established
Once the line reaches its normal temperature exposure, inspect articulation, tracking and take-up position again. Confirm hot-state guide and sprocket alignment. Do not compensate for a local interference by adding excessive chain tension. Record any adjustment so the final maintenance baseline reflects the actual commissioned condition rather than the cold, unloaded setup.
Leave maintenance a reproducible reference
Store the approved chain drawing, installed length or pitch reference, sprocket tooth count, take-up position and clear photographs of the critical interface. This creates a baseline for later wear checks and gives purchasing a controlled reference when another Extra-Clearance High-Temperature Chain – 25.40 mm Pitch strand or compatible replacement is required.
Frequently Asked Questions
Are the dimensions enough to approve a replacement?
They are a strong identification start, but the final check also needs sprocket geometry, attachment arrangement, duty, material and machine clearances.
Can you make a custom attachment?
Custom attachment review is possible when a dimensioned drawing, chain geometry and load/application description are provided.
What should I send with an RFQ?
Send dimensions, photos, existing drawing if available, chain quantity or length, machine type, temperature, cleaning environment, load and requested documentation.
