{"id":1013,"date":"2026-07-16T09:04:22","date_gmt":"2026-07-16T09:04:22","guid":{"rendered":"https:\/\/plastic-modular-belt.com\/?post_type=product&p=1013"},"modified":"2026-07-16T09:44:02","modified_gmt":"2026-07-16T09:44:02","slug":"1775-sprocket-idler-wheel","status":"publish","type":"product","link":"https:\/\/plastic-modular-belt.com\/el\/product\/1775-sprocket-idler-wheel\/","title":{"rendered":"1775 Sprocket Idler Wheel"},"content":{"rendered":"
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Plastic Modular Belt Components \u00b7 UK Supplier<\/p>\n

1775 Sprocket Idler Wheel<\/h1>\n

Precision-machined idler wheels engineered for low-tension return runs, smooth belt tracking, and extended service life across UK food processing, packaging, and logistics operations.<\/p>\n

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What Is the 1775 Sprocket Idler Wheel?<\/h2>\n

\"1775The 1775 Sprocket Idler Wheel is a precision return-side component designed specifically for use with the 1775 series plastic modular belt system. Unlike a drive sprocket, the idler wheel carries no torque \u2014 its job is to guide the belt on the return run, maintain correct belt tension, and prevent lateral drift without adding load to the drive shaft. The result is quieter operation, reduced belt wear, and a measurably longer belt lifespan across demanding continuous-cycle environments.<\/p>\n

Manufactured from engineering-grade acetal (POM) as standard, each wheel is CNC-machined to tight dimensional tolerances. The bore is available in 25, 30, 35, and 40 mm to suit standard shaft sizes found across UK conveyor systems. Four tooth-count variants \u2014 16T, 19T, 20T, and 21T \u2014 allow engineers to match the idler geometry precisely to the belt pitch and conveyor width without compromise. Custom non-standard configurations are available on request directly from our technical sales team.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Need a quote for your conveyor project?<\/span>
\nSend Enquiry \u2192<\/a><\/div>\n

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Technical Specifications<\/h2>\n

\"1775<\/p>\n

All dimensions in millimetres (mm). Bore options: 25 \/ 30 \/ 35 \/ 40 mm. Standard: Machining. Non-standard tooth counts available on request.<\/p>\n

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Sprocket Type<\/th>\nNumber of Teeth<\/th>\nBore RB (mm)<\/th>\nOutside Diameter OD (mm)<\/th>\nPitch Diameter PD (mm)<\/th>\nStandard<\/th>\n<\/tr>\n<\/thead>\n
ROUND BORE (\u5706\u5b54)<\/td>\n<\/tr>\n
1775-16T-CD<\/td>\n16<\/td>\n25 \/ 30 \/ 35 \/ 40<\/td>\n133.5<\/td>\n128.2<\/td>\nMachining<\/span><\/td>\n<\/tr>\n
1775-19T-CD<\/td>\n19<\/td>\n25 \/ 30 \/ 35 \/ 40<\/td>\n157.2<\/td>\n151.9<\/td>\n<\/tr>\n
1775-20T-CD<\/td>\n20<\/td>\n25 \/ 30 \/ 35 \/ 40<\/td>\n165.0<\/td>\n159.8<\/td>\n<\/tr>\n
1775-21T-CD<\/td>\n21<\/td>\n25 \/ 30 \/ 35 \/ 40<\/td>\n173.1<\/td>\n167.8<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

* If a non-standard sprocket model is required, please contact our sales team directly at sales@plastic-modular-belt.com<\/a><\/p>\n<\/div>\n

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Material, Design Principle & How It Works<\/h2>\n
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Acetal (POM) Construction<\/h3>\n

Each 1775 Sprocket Idler Wheel is machined from solid acetal copolymer (POM-C) stock. POM delivers a tensile strength of approximately 60\u201365 MPa, a flexural modulus around 2,600 MPa, and a continuous service temperature up to 90\u00b0C \u2014 well within the demands of UK food production and cold-chain logistics environments. Its inherent low coefficient of friction (approximately 0.2 against steel) means the wheel glides over the return rail without additional lubrication, reducing maintenance cycles substantially.<\/p>\n<\/div>\n

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CNC-Machined Tooth Profile<\/h3>\n

The tooth profile is CNC-machined to match the 1775 belt’s hinge geometry precisely, with an overall face width of 44 mm and a hub depth of 29 mm. This controlled engagement distributes load evenly across the full belt width rather than concentrating stress at the hinge pin, which is a common failure point in older conveyor designs. The round bore design simplifies shaft installation: a standard parallel shaft, a retaining pin or key, and the wheel seats correctly in minutes rather than hours.<\/p>\n<\/div>\n

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Return-Side Function<\/h3>\n

On the return run of any modular belt conveyor, the belt must track cleanly back to the drive end without sagging, twisting, or sideflexing uncontrolled. The 1775 Sprocket Idler Wheel solves this by providing a positive, toothed engagement with the belt’s hinge rod pockets on the underside. Unlike plain idler rollers, the toothed profile prevents belt skip under load fluctuations \u2014 a particularly important characteristic in UK poultry processing lines, biscuit oven outfeed conveyors, and ambient parcel sortation systems where belt loads change rapidly during peak throughput.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Why UK Engineers Specify the 1775 Idler Wheel<\/h2>\n
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Benefit 01<\/p>\n

Extended Belt Life<\/p>\n

Positive tooth engagement prevents micro-slip, reducing hinge-pin wear by an estimated 30\u201340% versus plain roller idlers in comparable applications.<\/p>\n<\/div>\n

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Benefit 02<\/p>\n

Lubrication-Free<\/p>\n

POM-C self-lubricates, eliminating the need for grease or oil on the return shaft \u2014 critical for UK food-grade and pharmaceutical conveyor applications.<\/p>\n<\/div>\n

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Benefit 03<\/p>\n

Corrosion Resistance<\/p>\n

Acetal resists dilute acids, cleaning chemicals, and washdown water \u2014 making these wheels suitable for CIP (clean-in-place) conveyor systems common in UK dairy and bakery plants.<\/p>\n<\/div>\n

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Benefit 04<\/p>\n

Multiple Bore Options<\/p>\n

Four bore sizes (25, 30, 35, 40 mm) mean the wheel fits directly to existing shaft infrastructure without costly bespoke adapters \u2014 important when retrofitting older UK conveyor frames.<\/p>\n<\/div>\n

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Benefit 05<\/p>\n

Low Noise Operation<\/p>\n

The plastic-on-plastic belt engagement produces significantly less structure-borne noise than steel sprockets against steel chains<\/a>, supporting workplace noise compliance under UK COSHH and HSE guidelines.<\/p>\n<\/div>\n

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Benefit 06<\/p>\n

Fast Interchangeability<\/p>\n

Standard round bore with machined finish ensures these wheels swap in for worn components in planned maintenance windows, keeping conveyor downtime within the planned maintenance window and preventing costly unscheduled stoppages.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Typical Application Scenarios in the UK<\/h2>\n

The 1775 Sprocket Idler Wheel finds application wherever a 1775 series plastic modular belt is used on a return-side support shaft. In practice, that covers a broad range of UK industries. In food processing \u2014 particularly poultry, fish, and bakery \u2014 the wheel’s hygienic plastic construction and washdown resistance make it a default specification. In logistics and e-commerce fulfilment centres, which have expanded substantially across the UK Midlands and South East over the past decade, these wheels support high-speed sortation conveyors running 16 to 24 hours per day, where any unplanned stoppage translates directly to missed shipment windows and penalty costs.<\/p>\n

Pharmaceutical packaging lines in the UK \u2014 particularly those operating under MHRA GMP requirements \u2014 benefit from the chemical compatibility of POM-C with IPA-based sanitisers and the absence of any steel components that might shed rust particles into the product zone. Agricultural produce handling, cold-store distribution, and automotive parts washing lines round out the common deployment environments.<\/p>\n

Food Processing<\/span>
\nLogistics & Fulfilment<\/span>
\nPharmaceutical Packaging<\/span>
\nBakery & Dairy<\/span>
\nCold-Chain Distribution<\/span>
\nAutomotive Parts Washing<\/span><\/div>\n<\/div>\n

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Customer Success<\/h2>\n

Real results from UK and European operations using the 1775 Sprocket Idler Wheel.<\/p>\n

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Case Study \u00b7 UK Food Processing<\/p>\n

Lancashire Poultry Processor Cuts Unplanned Downtime by 38%<\/h3>\n

A mid-sized poultry processing facility in Lancashire operating six evisceration lines had been experiencing return-belt tracking failures approximately every 11 weeks. The root cause was identified as plain steel idler rollers losing positive engagement with the 1775 series belt under wet, high-throughput conditions \u2014 the belt would drift laterally and trip the edge detector sensors, halting the line. The maintenance team replaced all return-side idlers with 1775-20T-CD Sprocket Idler Wheels (35 mm bore) across all six lines during a planned weekend shutdown.<\/p>\n

Over the following 10 months, belt tracking faults fell to zero on four of the six lines, and were reduced from 5 per line to 1 on the remaining two. Overall unplanned conveyor downtime attributable to belt tracking dropped by 38%, and the annual spend on replacement hinge rods and lateral guide strips fell by an estimated 22%. The facility has since standardised the 1775 Sprocket Idler Wheel as its specification for all new conveyor builds.<\/p>\n<\/div>\n

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“We specified the 1775 Sprocket Idler Wheel on our new chilled distribution line build in Northampton. The installation was straightforward, and 14 months later we have had no return-belt related stoppages whatsoever. The POM material holds up perfectly to our weekly chemical washdown.”<\/p>\n

\u2014 Conveyor Systems Engineer, UK Chilled Logistics Provider, East Midlands<\/p>\n<\/div>\n

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“Our biscuit oven outfeed runs at elevated temperature and we needed an idler that wouldn’t warp or require lubrication in a food zone. The 1775-19T-CD has been running continuously for over a year with zero maintenance calls. Competitive price, fast lead time \u2014 exactly what we needed.”<\/p>\n

\u2014 Maintenance Manager, Bakery Equipment OEM, West Yorkshire<\/p>\n<\/div>\n

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“As a conveyor integrator working across pharmaceutical clients in the UK, we need components we can specify with confidence. The 1775 Sprocket Idler Wheel gives us the right bore options, chemical compatibility certificates on request, and the dimensional accuracy we require for validated systems.”<\/p>\n

\u2014 Projects Director, Conveyor Integration Company, Cambridgeshire<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Manufacturing Capability & Custom Orders<\/h2>\n

Our manufacturing facility operates a dedicated CNC machining centre with 5-axis capability, purpose-configured for plastic conveyor components. All 1775 Sprocket Idler Wheels leave the factory having been dimensionally inspected against a master gauge set to confirm bore diameter, tooth profile, pitch diameter, and face width. This in-process quality control is what gives UK engineers the confidence to specify our components into validated production lines without incoming inspection delays.<\/p>\n

Beyond the four standard round-bore configurations, we offer a full product customisation service. Non-standard tooth counts, keyway bores, flanged hubs, alternative polymer materials (UHMW-PE, nylon PA6, PEEK for high-temperature applications), and special bore diameters outside the 25\u201340 mm range are all available with typical lead times of 10\u201320 working days from drawing approval. Customers are encouraged to supply shaft drawings or conveyor general arrangement drawings, from which our applications engineers will specify the correct idler geometry and provide a detailed technical proposal at no cost.<\/p>\n

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Custom specification?<\/p>\n

Send your shaft drawing or conveyor GA to our applications team. We respond with a technical proposal within 2 working days.<\/p>\n<\/div>\n

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Complete Your 1775 Belt System<\/h2>\n

The 1775 Sprocket Idler Wheel is designed to work within a complete 1775 series conveyor ecosystem. Two related components are worth specifying at the same time to ensure full system compatibility and avoid mixed-pitch issues:<\/p>\n

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Drive Component<\/p>\n

1775 Sprocket Drive Wheel<\/a><\/h3>\n

The power-transmitting counterpart to the idler wheel. Keyed to the drive shaft, it positively drives the 1775 belt at the head end of the conveyor. Specify alongside the idler wheel to ensure matched tooth geometry, consistent belt pitch engagement, and balanced conveyor design.<\/p>\n

View Product \u2192<\/a><\/p>\n<\/div>\n

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Belt Component<\/p>\n

1775 Gapless Sideflex Run Single Hinge Chain<\/a><\/h3>\n

The primary belt module for curved conveyor runs. The gapless design prevents product fingers or labels catching in belt gaps during transfers, while the single-hinge construction reduces belt weight and simplifies cleaning. Pairs directly with the 1775 Sprocket Idler Wheel on the return run.<\/p>\n

View Product \u2192<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n

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\nWhat is the best sprocket idler wheel supplier for food processing conveyors in the UK? +<\/span><\/summary>\n

For food processing conveyors in the UK, the 1775 Sprocket Idler Wheel in POM-C acetal is the standard specification. It is lubrication-free, resistant to washdown chemicals, and available with a short lead time. Contact us at sales@plastic-modular-belt.com<\/a> to confirm current stock and pricing.<\/p>\n<\/details>\n

\nHow much does a 1775 Sprocket Idler Wheel cost, and can I get a price for a larger quantity? +<\/span><\/summary>\n

Pricing depends on tooth count, bore size, and order quantity. Volume discounts are available for orders of 10 or more units. Email sales@plastic-modular-belt.com<\/a> with your specification and required quantity for a detailed quotation within 2 working days.<\/p>\n<\/details>\n

\nWhich bore size should I choose for my existing 1775 series conveyor shaft in a UK logistics centre? +<\/span><\/summary>\n

Measure the return shaft diameter with a vernier calliper and select the bore that provides a close clearance or light interference fit. Available bores are 25, 30, 35, and 40 mm. For non-standard shaft diameters, our applications engineers can supply a custom-machined bore \u2014 just send your shaft drawing.<\/p>\n<\/details>\n

\nWhat is the difference between a sprocket idler wheel and a sprocket drive wheel on a modular belt conveyor? +<\/span><\/summary>\n

A drive wheel is keyed to the powered head shaft and pulls the belt forward. An idler wheel sits on the return shaft, carries no torque, and simply keeps the belt tracking accurately on its way back to the drive end. Both must use matched tooth geometry to avoid belt skip.<\/p>\n<\/details>\n

\nCan I get a custom tooth count or bore size for a 1775 Sprocket Idler Wheel for my UK pharmaceutical packaging line? +<\/span><\/summary>\n

Yes \u2014 custom configurations including non-standard tooth counts, keyway bores, flanged hubs, and alternative polymer materials are all available as CNC-machined parts. Typical lead time is 10\u201320 working days from drawing approval. Send enquiries and drawings to sales@plastic-modular-belt.com<\/a>.<\/p>\n<\/details>\n

\nWhere can I buy replacement 1775 Sprocket Idler Wheels for a conveyor in England, Scotland, or Wales? +<\/span><\/summary>\n

Orders can be placed directly by emailing sales@plastic-modular-belt.com<\/a>. We supply customers throughout England, Scotland, and Wales, with standard stock items typically dispatched within 3\u20135 working days.<\/p>\n<\/details>\n

\nHow long does the 1775 Sprocket Idler Wheel last in a high-speed sortation conveyor running 24 hours a day? +<\/span><\/summary>\n

In well-aligned, clean 24-hour sortation environments, POM-C idler wheels typically achieve 18\u201336 months of service life before replacement. Shaft misalignment and excessive belt tension are the primary causes of premature wear \u2014 our applications team can advise on correct installation torque and shaft alignment tolerances.<\/p>\n<\/details>\n<\/div>\n<\/div>\n

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Ready to Specify the 1775 Sprocket Idler Wheel?<\/h2>\n

Send your shaft specification, conveyor layout, or enquiry to our applications team. We respond within 2 working days with a technical proposal and competitive price.<\/p>\n

Get a Quote Now<\/a><\/p>\n

plastic-modular-belt.com \u00b7 sales@plastic-modular-belt.com \u00b7 edit by gzl<\/p>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"

1775 Sprocket Idler Wheel in acetal POM-C. CNC-machined idler, 16\u201321 teeth, 25\u201340mm bore. Zero-lube return tracking for plastic modular belts. UK B2B supplier.<\/p>","protected":false},"featured_media":1014,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[600],"product_tag":[],"class_list":["post-1013","product","type-product","status-publish","has-post-thumbnail","product_cat-sprocket","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/plastic-modular-belt.com\/el\/wp-json\/wp\/v2\/product\/1013","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/plastic-modular-belt.com\/el\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/plastic-modular-belt.com\/el\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/plastic-modular-belt.com\/el\/wp-json\/wp\/v2\/comments?post=1013"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/plastic-modular-belt.com\/el\/wp-json\/wp\/v2\/media\/1014"}],"wp:attachment":[{"href":"https:\/\/plastic-modular-belt.com\/el\/wp-json\/wp\/v2\/media?parent=1013"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/plastic-modular-belt.com\/el\/wp-json\/wp\/v2\/product_brand?post=1013"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/plastic-modular-belt.com\/el\/wp-json\/wp\/v2\/product_cat?post=1013"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/plastic-modular-belt.com\/el\/wp-json\/wp\/v2\/product_tag?post=1013"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}