{"id":601,"date":"2026-04-24T02:54:41","date_gmt":"2026-04-24T02:54:41","guid":{"rendered":"https:\/\/qd-bushings.top\/?post_type=product&p=601"},"modified":"2026-04-24T07:10:23","modified_gmt":"2026-04-24T07:10:23","slug":"b-bushing-with-38mm-bore","status":"publish","type":"product","link":"https:\/\/qd-bushings.top\/ko\/product\/b-bushing-with-38mm-bore\/","title":{"rendered":"B Bushing With 38mm Bore"},"content":{"rendered":"
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QUICK-DISCONNECT BUSHING \u00b7 INDUSTRIAL POWER TRANSMISSION \u00b7 UK & GLOBAL SUPPLY<\/p>\n

B Bushing with 38mm Bore \u2014 Precision QD Bushing for Industrial Drive Systems<\/h2>\n

Type B \u00b7 38mm Metric Bore \u00b7 Precision-Machined High-Grade Steel \u00b7 Stainless Steel Available \u00b7 UK Stock & Fast Despatch<\/p>\n<\/div>\n

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Engineered for the Demands of Modern Industrial Drives<\/h2>\n

\"QDThe B Bushing with a 38mm bore is a precision-machined quick-disconnect component designed for heavy-duty power transmission applications across manufacturing, agriculture, food processing, and conveyor industries throughout the United Kingdom. Manufactured from high-grade steel to exact dimensional tolerances, this QD bushing delivers consistent, repeatable performance whether running conveyor drive assemblies, pump systems, synchronous belt drives, or chain sprocket installations on production lines and agricultural equipment across England, Scotland, and Wales.<\/p>\n

The 38mm metric bore specification makes this bushing a natural choice for mid-range shaft diameters widely used across UK industrial machinery and agricultural plant, eliminating the need for expensive adapters or bespoke shaft modification. Conventional installation through the outside of the flange \u2014 or reversed to mount inside the flange \u2014 gives on-site engineers the positional flexibility needed within tight assemblies. A single opening extends through the entire bushing length, ensuring repeatable concentric fits batch after batch.<\/p>\n

Every bushing undergoes dimensional verification before despatch. Whether sourcing replacement parts for UK plant maintenance or specifying components for a new-build system, procurement teams and engineers can rely on dimensional consistency and full interchangeability with leading drive brands. Standard sizes are held in stock, and custom specifications \u2014 including stainless steel grades \u2014 are manufactured to order with competitive lead times for UK domestic and international accounts.\"QD<\/p>\n<\/div>\n

\ud83d\udce7 Get a Quote \u2014 sales@qd-bushings.top<\/a><\/div>\n<\/div>\n

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Dimensional & Technical Specifications<\/h2>\n

All dimensions nominal. Contact us for tolerances or custom bore requirements.<\/p>\n

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PARAMETER<\/th>\nSPECIFICATION<\/th>\nNOTES<\/th>\n<\/tr>\n<\/thead>\n
Bushing Type<\/td>\nB<\/td>\nStandard QD Series<\/td>\n<\/tr>\n
Bore Size<\/td>\n38 mm<\/td>\nMetric; custom bores available<\/td>\n<\/tr>\n
Dimension L (Length)<\/td>\n1-15\/16 in<\/td>\nOverall bushing length<\/td>\n<\/tr>\n
Dimension U<\/td>\n1\/2 in<\/td>\n<\/td>\n<\/tr>\n
Dimension T<\/td>\n1-7\/16 in<\/td>\n<\/td>\n<\/tr>\n
Large End Dia. (D)<\/td>\n2.625 in<\/td>\nOuter taper end<\/td>\n<\/tr>\n
Small End Dia. (D)<\/td>\n2.557 in<\/td>\nInner taper end<\/td>\n<\/tr>\n
Dimension H<\/td>\n3-11\/16 in<\/td>\n<\/td>\n<\/tr>\n
Dimension V<\/td>\n3-1\/8 in<\/td>\n<\/td>\n<\/tr>\n
Dimension W<\/td>\n1\/2 in<\/td>\n<\/td>\n<\/tr>\n
Cap Screws<\/td>\n3 x 5\/16 in x 1-1\/4 in<\/td>\nSocket-head cap<\/td>\n<\/tr>\n
Average Weight<\/td>\n1.8 lb (0.82 kg)<\/td>\n<\/td>\n<\/tr>\n
Wrench Torque<\/td>\n192 lb-in<\/td>\nInstallation torque<\/td>\n<\/tr>\n
Body Material<\/td>\nHigh-grade carbon steel<\/td>\nStainless steel on request<\/td>\n<\/tr>\n
Mount Method<\/td>\nStandard or Reversed<\/td>\nOutside or inside flange<\/td>\n<\/tr>\n
Interchangeability<\/td>\nCross-brand compatible<\/td>\nFits most major QD hubs<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n

\"QD<\/p>\n

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Why These B Bushings Outperform Standard Market Alternatives<\/h2>\n
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\u26a1<\/div>\n

Rapid Installation & Removal<\/h3>\n

The quick-disconnect design allows on-site engineers to mount or remove this B bushing in minutes using only the included cap screws \u2014 no specialist tooling, no shaft damage, no heated fits. Maintenance turnaround is significantly reduced, cutting production downtime in high-throughput UK manufacturing facilities, food processing lines, and seasonal agricultural operations where maintenance windows are extremely tight.<\/p>\n<\/div>\n

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\ud83c\udfaf<\/div>\n

Precision Bore Accuracy<\/h3>\n

The 38mm bore is machined to tight tolerances, ensuring a true concentric fit on the shaft. This dimensional accuracy reduces drivetrain vibration, extends bearing life, and prevents fretting corrosion that develops when loosely fitted components face cyclical load in industrial drive environments. Batch-to-batch consistency is maintained through systematic quality inspection before every shipment leaves the facility.<\/p>\n<\/div>\n

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\ud83d\udd28<\/div>\n

High-Grade Steel Construction<\/h3>\n

Manufactured from premium-grade carbon steel with controlled heat treatment, each bushing achieves the tensile strength and surface hardness required to handle sustained high-torque loads and cyclical stress typical of UK industrial drives. For corrosive environments \u2014 including coastal plants, chemical processing sites, or food-grade washdown areas \u2014 stainless steel versions are available without any change to external dimensions.<\/p>\n<\/div>\n

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\ud83d\udd04<\/div>\n

Full Cross-Brand Interchangeability<\/h3>\n

These B bushings are dimensionally interchangeable with all major QD-compatible brands used across UK industry. Maintenance and procurement teams can replace worn components on mixed-brand equipment fleets without re-engineering existing hubs or sprockets \u2014 delivering genuine time and cost savings when maintaining legacy machinery in UK plants operating within fixed maintenance budgets.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Technology, Material Science & Industry Application<\/h2>\n

\"QD<\/p>\n

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\u2699 How the Taper-Lock Mechanism Works<\/h3>\n

A QD bushing operates on a precision taper-lock clamping principle. The bushing’s outer taper mates against the matching tapered bore of the hub, sprocket, or pulley. As the cap screws are progressively and alternately torqued, the mating taper surfaces generate a radial clamping force uniformly around the shaft \u2014 creating a high-friction, self-centring grip without marking or scoring the shaft surface. This compressive locking eliminates keyway stress concentration under cyclical load, while a secondary set of threaded jack holes allows the bushing to be positively ejected for clean removal. It is a significant advantage over interference-fit or welded alternatives common in older UK plant and legacy machinery across England, Scotland, and Wales.<\/p>\n<\/div>\n

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\ud83d\udd2c Material Composition & Hardness Profile<\/h3>\n

The B bushing body is machined from medium-carbon steel controlled in composition to deliver a balanced tensile strength and surface hardness profile after heat treatment. Bore surfaces are finished to a defined Ra roughness that promotes shaft contact while resisting galling across repeated installation cycles. All threaded holes use UNC thread forms aligned to imperial tooling common across UK maintenance workshops. For applications demanding resistance to acids, washdown fluids, or saline environments \u2014 food production lines, coastal England processing facilities, or marine-adjacent plant \u2014 316-grade stainless steel versions maintain identical external dimensions, allowing direct substitution into existing assemblies without modification.<\/p>\n<\/div>\n

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\ud83c\udfed Where These Bushings Are Applied<\/h3>\n

B bushings with a 38mm bore appear across a broad range of UK industrial environments: belt conveyor drive pulleys at logistics and aggregates sites, chain sprocket drives on agricultural packaging lines in Lincolnshire and East Anglia, synchronous pulley installations in printing and textile machinery, pump shaft couplings at water treatment facilities, and fan assemblies in industrial HVAC systems. The compact B-series profile combined with the 38mm metric bore also makes these components a dependable solution in legacy replacement programmes \u2014 particularly where original OEM parts have been discontinued or carry extended European lead times.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

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Step-by-Step Installation & Removal<\/h2>\n
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\u2705 Installation<\/h3>\n
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  1. Ensure cone and hub bore are clean and completely free of lubricant \u2014 do not apply anti-seize or grease.<\/li>\n
  2. Place the bushing into the sprocket, pulley, or hub assembly.<\/li>\n
  3. Finger-tighten cap screws into pull-up holes \u2014 bushing remains slip-fit on the shaft at this stage.<\/li>\n
  4. Using the shaft key, slide the assembly to the correct shaft position; verify cap screw heads remain accessible.<\/li>\n
  5. Alternately and incrementally tighten screws to 192 lb-in torque. Do not use wrench extensions. Maintain the gap between flange face and hub to prevent contact before full clamp load is reached.<\/li>\n<\/ol>\n<\/div>\n
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    \ud83d\udd04 Removal<\/h3>\n
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    1. Loosen and fully remove the cap screws from the pull-up holes.<\/li>\n
    2. Transfer the cap screws into the threaded removal (jack) holes on the bushing flange.<\/li>\n
    3. Tighten into the jack holes progressively and evenly \u2014 this mechanically ejects the bushing from the hub taper.<\/li>\n
    4. Slide the hub assembly free from the shaft cleanly without impact or prying tools.<\/li>\n<\/ol>\n<\/div>\n<\/div>\n<\/div>\n

      \"QD<\/p>\n

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      Customer Success Stories<\/h2>\n

      Verified feedback from UK industry accounts<\/p>\n

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      \u2605\u2605\u2605\u2605\u2605<\/div>\n

      “We replaced QD bushings<\/a> across three conveyor lines at our West Midlands distribution centre. The 38mm bore B bushings fitted first time on every shaft, no modification required. Lead time was fast and the price was genuinely competitive against our previous UK distributor. We order on a regular basis now.”<\/p>\n

      James Holloway
      \nMaintenance Manager \u2014 Logistics & Distribution, West Midlands, UK<\/span><\/div>\n<\/div>\n
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      \u2605\u2605\u2605\u2605\u2605<\/div>\n

      “As an agricultural machinery dealer in Lincolnshire, we go through a solid volume of QD bushings every harvest season. The stainless steel option is exactly right for our washdown-duty equipment. Consistent quality batch after batch, and the sales team responded with a detailed quote within the hour.”<\/p>\n

      Sarah Prentice
      \nProcurement Director \u2014 Agricultural Equipment, Lincolnshire, UK<\/span><\/div>\n<\/div>\n
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      \u2605\u2605\u2605\u2605\u2605<\/div>\n

      “We source drive components for food processing lines across three UK sites. The cross-brand interchangeability is genuine \u2014 we have run these B bushings on hubs from three different OEM brands without any modification. Dimensional quality is very tight and packaging holds up well in transit.”<\/p>\n

      Raj Anand
      \nEngineering Buyer \u2014 Food Processing, Yorkshire, UK<\/span><\/div>\n<\/div>\n<\/div>\n<\/div>\n

      <\/p>\n

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      Frequently Asked Questions<\/h2>\n

      Click any question to expand the answer.<\/p>\n

      \nWhat is the correct bore size for a Type B QD bushing used on industrial conveyor drive systems in the UK? \u25bc<\/summary>\n
      The standard B type QD bushing is available in a range of metric and imperial bore sizes. For the majority of UK industrial conveyor drives running on mid-range shafts, the 38mm metric bore is the most common specification and covers a wide range of common shaft diameters found in British manufacturing. If your conveyor shaft runs to a different diameter, custom bores are machined to order \u2014 contact us with the shaft size and we can confirm availability and lead time promptly.<\/div>\n<\/details>\n
      \nHow do I install a B bushing with a 38mm bore onto a keyed shaft without causing any shaft surface damage? \u25bc<\/summary>\n
      The QD taper-lock design is engineered to protect shaft surfaces throughout both installation and removal. The most critical requirement is that the bushing cone and hub bore are completely clean and dry \u2014 no grease and no anti-seize compound. Keep the assembly slip-fit until correctly positioned with the shaft key aligned, then torque the cap screws alternately to 192 lb-in without breaker bar extensions. This creates full clamping grip without scoring or marking the shaft surface.<\/div>\n<\/details>\n
      \nWhich QD bushing type is compatible with standard B-style sprocket hubs for food processing equipment in the UK? \u25bc<\/summary>\n
      B-style sprocket hubs accept the Type B QD bushing exclusively \u2014 they are not interchangeable with SH, SK, SD, or SF series. Within the B type, bore sizes vary to suit different shaft diameters. Our range includes the 38mm metric bore, which suits common UK food processing shafts. For stainless steel food-grade applications requiring frequent washdown compliance, our SS versions carry the same external dimensions for a direct drop-in replacement with no modification to existing assemblies.<\/div>\n<\/details>\n
      \nWhere can I get a competitive price or bulk supply quote for B bushings with a 38mm bore from a UK-accessible supplier? \u25bc<\/summary>\n
      Send your quantity requirement, bore specification, and UK delivery postcode to sales@qd-bushings.top<\/a>. We respond to quote requests within one business day, offer competitive volume pricing, and can accommodate urgent requirements for UK plant maintenance teams. Both standard stock and custom orders are fully covered, and we are happy to match or improve on quotes currently held from other suppliers.<\/div>\n<\/details>\n
      \nHow long does delivery typically take when ordering custom stainless steel QD bushings for a UK engineering project? \u25bc<\/summary>\n
      Standard carbon steel B bushings with the 38mm bore are held in stock and typically available for immediate despatch to any UK address. Custom specifications \u2014 stainless steel grades, non-standard bores, modified keyways \u2014 are generally completed within 10 to 20 working days depending on order volume and complexity. For urgent maintenance situations, contacting our team directly allows us to check current production schedules and discuss expedited options where available.<\/div>\n<\/details>\n
      \nWhat is the key difference between a B bushing and an SK or SDS QD bushing when selecting for an agricultural drive in England? \u25bc<\/summary>\n
      The series designation refers to the taper angle, bolt circle diameter, and maximum bore range of the component. B-type bushings are medium-duty with a bore range suited to shaft diameters between roughly 1 inch and 1-7\/8 inches \u2014 the 38mm metric bore sits comfortably within this range. SK and SDS series handle smaller or lighter-duty applications. For UK agricultural drives carrying moderate to high torque, the B-series is generally the correct selection, but always verify against the hub manufacturer’s data sheet or contact us directly to confirm the right specification for your equipment.<\/div>\n<\/details>\n<\/div>\n

      \"QD<\/p>\n

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      Factory-Direct Supply & Custom Bushing Manufacturing<\/h2>\n
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      \ud83c\udfed 15+ Years of Precision Manufacturing<\/h3>\n

      With over 15 years of factory experience in precision power transmission components, we hold the machining capacity, tooling inventory, and quality systems to handle high-volume standard orders and bespoke low-volume runs with equal rigour. CNC turning centres maintain the close tolerances that QD bushing production demands. Every batch is inspected by our QA team before shipment. OEM experience spans industrial, agricultural, and process engineering sectors across multiple export markets, including direct supply into the UK market for over a decade.<\/p>\n<\/div>\n

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      \u2699 Custom Specification Capabilities<\/h3>\n

      Our custom manufacturing service covers non-standard bore diameters, modified keyway profiles, alternative thread specifications, special surface treatments, and stainless steel grades including 304 and 316. OEM and ODM projects are actively supported \u2014 we have worked with UK engineers and European OEM manufacturers to develop replacement and upgraded components for discontinued part numbers. Engineering drawings, first-article samples, and prototype runs can all be arranged on request with straightforward quoting and short feedback cycles.<\/p>\n<\/div>\n<\/div>\n<\/div>\n

      edit by gzl<\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

      Type B QD Bushing \u2013 38mm Metric Bore. Precision taper-lock, high-grade steel body. Standard & reversed flange mount. Cross-brand compatible. UK stock.<\/p>","protected":false},"featured_media":617,"comment_status":"open","ping_status":"closed","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"product_brand":[],"product_cat":[408],"product_tag":[],"class_list":["post-601","product","type-product","status-publish","has-post-thumbnail","product_cat-qd-bushings","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/qd-bushings.top\/ko\/wp-json\/wp\/v2\/product\/601","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/qd-bushings.top\/ko\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/qd-bushings.top\/ko\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/qd-bushings.top\/ko\/wp-json\/wp\/v2\/comments?post=601"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/qd-bushings.top\/ko\/wp-json\/wp\/v2\/media\/617"}],"wp:attachment":[{"href":"https:\/\/qd-bushings.top\/ko\/wp-json\/wp\/v2\/media?parent=601"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/qd-bushings.top\/ko\/wp-json\/wp\/v2\/product_brand?post=601"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/qd-bushings.top\/ko\/wp-json\/wp\/v2\/product_cat?post=601"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/qd-bushings.top\/ko\/wp-json\/wp\/v2\/product_tag?post=601"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}