--- title: "MICROGEAR® Small Gearbox FAQ: Compact Power Transmission Solutions" description: "Get answers to common questions about MICROGEAR® small gearboxes: configuration options, performance specs, applications, maintenance, and ordering." image: https://blog.wcbranham.com/hubfs/MICROGEAR%20FAQ%20(1).png --- [UPDATE !!! New Product Warranty Was 12-, Now 24-Months for Branham Trademark Manufactured Products. See Details... →](https://www.wcbranham.com/terms-and-conditions) [![W.C. Branham Logo](https://blog.wcbranham.com/hubfs/raw_assets/public/Wcbranham_April2024/images/wcb-logo.svg "W.C. Branham Logo")](https://www.wcbranham.com/) [Questions? Call 715-426-2000](tel:715-426-2000) [3D Product Configurator](https://www.wcbranham.com/product-configurator) - Resources - [Blog](https://blog.wcbranham.com/) - [Downloads](https://info.wcbranham.com/downloads-page) - About - [Our History](https://www.wcbranham.com/about) - [Careers](https://www.wcbranham.com/about/careers) - [Our Team](https://www.wcbranham.com/about/team) - [Contact](https://www.wcbranham.com/contact) [tel:715-426-2000](tel:715-426-2000) - Air Over Oil Intensifiers - [Overview](https://www.wcbranham.com/air-oil-intensifiers) - [OVLBOOST™ 44mm 7.8:1](https://www.wcbranham.com/air-oil-intensifiers/ovlboost-44mm-71) - [INT05 - 5:1](https://www.wcbranham.com/air-oil-intensifiers/ovlboost-44mm-71) - [INT09 - 9:1](https://www.wcbranham.com/air-oil-intensifiers/91-air-oil-intensifier) - [INT10 - 10:1](https://www.wcbranham.com/air-oil-intensifiers/101-air-oil-intensifer) - [INT18 - 18:1](https://www.wcbranham.com/air-oil-intensifiers/181-air-oil-intensifier) - [INT20 - 20:1](https://www.wcbranham.com/air-oil-intensifiers/181-air-oil-intensifier) - 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[OVLPRO® Low Profile Rod Air Cylinders](https://www.wcbranham.com/actuators-pneumatic/ovlpro-low-profile-rod-cylinders) - [ARTEC® ISO & UNITOP Rod Air Cylinders](https://www.wcbranham.com/actuators-pneumatic/artec-standard-cylinders) - [ARTEC® Compact & Short Stroke Rod Air Cylinders](https://www.wcbranham.com/actuators-pneumatic/artec-compact-short-stroke-cylinders) - [ARTEC® Round Rod Air Cylinders](https://www.wcbranham.com/actuators-pneumatic/artec-round-cylinders) - [ARTEC® Stainless Steel ISO & Round Rod Air Cylinders](https://www.wcbranham.com/actuators-pneumatic/artec-round-cylinders) - [ARTEC® Stopper Rod Air Cylinders](https://www.wcbranham.com/actuators-pneumatic/artec-stopper-cylinders) - [ARTEC® Rod Cylinder Accessories](https://www.wcbranham.com/actuators-pneumatic/artec-accessories) - [DURATRK® Band-Type Rodless Air Cylinder](https://www.wcbranham.com/actuators-pneumatic/duratrk-rodless-band-cylinders) - [MAGTEC® Magnetically Coupled-Type Air Cylinder](https://www.wcbranham.com/actuators-pneumatic/magtec-rodless-cylinders) - 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[INSERT-A-SHAFT®](https://www.wcbranham.com/gearboxes-right-angle/helical-gearboxes) - [INSERT-A-SHAFT® Metric](https://www.wcbranham.com/gearboxes-right-angle/helical-gearboxes-metric) - [INSERT-A-SHAFT® CRL](https://www.wcbranham.com/gearboxes-right-angle/helical-gearboxes-crl) - [INSERT-A-SHAFT® CRL Washdown](https://www.wcbranham.com/gearboxes-right-angle/insert-a-shaft-crl-washdown-series) - [INSERT-A-SHAFT® Stainless Steel](https://www.wcbranham.com/gearboxes-right-angle/stainless-steel-gearboxes) - [GLIDE RIGHT™ Crossover](https://www.wcbranham.com/gearboxes-right-angle/helical-glide-right-crossover) - [Spiral Bevel Right Angle Gearboxes, 1:1 or 2:1 Ratio](https://www.wcbranham.com/gearboxes-right-angle/spiral-bevel-gearboxes) - [Worm - BWG4™](https://www.wcbranham.com/gearboxes-right-angle/series-4-worm-gearboxes) - [Helical Gearbox Repair Kits](https://www.wcbranham.com/gearboxes-right-angle/series-4-worm-gearboxes) - [Custom Products](https://www.wcbranham.com/custom-products) - Our Company - [About Us](https://www.wcbranham.com/about) - [Our Team](https://www.wcbranham.com/about/team) - [Careers](https://www.wcbranham.com/about/team) - [Blog](https://blog.wcbranham.com/) [3D Product Configurator](https://www.wcbranham.com/product-configurator) [Contact Us](https://www.wcbranham.com/contact) - [Downloads](https://info.wcbranham.com/downloads-page) - [FAQ](https://www.wcbranham.com/faq) - [Terms & Conditions](https://www.wcbranham.com/terms-and-conditions) - [Privacy](https://www.wcbranham.com/terms-and-conditions) - [Air Over Oil Intensifiers](https://www.wcbranham.com/air-oil-intensifiers) - - Traditional - [INT05 - 5:1](https://www.wcbranham.com/air-oil-intensifiers/51-air-oil-intensifier) - [INT09 - 9:1](https://www.wcbranham.com/air-oil-intensifiers/91-air-oil-intensifier) - [INT10 - 10:1](https://www.wcbranham.com/air-oil-intensifiers/101-air-oil-intensifer) - [INT18 - 18:1](https://www.wcbranham.com/air-oil-intensifiers/181-air-oil-intensifier) - [INT20 - 20:1](https://www.wcbranham.com/air-oil-intensifiers/201-air-oil-intensifier) - [INT36 - 36:1](https://www.wcbranham.com/air-oil-intensifiers/361-air-oil-intensifier) - OVLBOOST® - [OVLBOOST™ 44mm 7.8:1](https://www.wcbranham.com/air-oil-intensifiers/ovlboost-44mm-71) - [Caliper Disc Brakes](https://www.wcbranham.com/brakes-caliper-disc) - - Caliper Disc Brakes - [Pneumatic Brakes](https://www.wcbranham.com/brakes-caliper-disc/pneumatic-brakes) - [Hydraulic Brakes](https://www.wcbranham.com/brakes-caliper-disc/hydraulic-brakes) - [Mechanical Brakes](https://www.wcbranham.com/brakes-caliper-disc/mechanical-brakes) - [Pneumatic Spring Applied Brakes](https://www.wcbranham.com/brakes-caliper-disc/pneumatic-spring-applied-brakes) - [Hydraulic Spring Applied Brakes](https://www.wcbranham.com/brakes-caliper-disc/hydraulic-spring-applied-brakes) - [Dual Function Brakes](https://www.wcbranham.com/brakes-caliper-disc/dual-function-mechanical-hydraulic) - Repair Kits and Parts - [Brake Repair Kits and Spare Parts](https://www.wcbranham.com/brakes-caliper-disc/repair-kits-and-parts) - - Brake Discs and Hub Assemblies - [6 5/16" Discs](https://www.wcbranham.com/brakes-caliper-disc/disc-and-hub-assemblies/brake-discs-6-5-16) - [8" Discs](https://www.wcbranham.com/brakes-caliper-disc/disc-and-hub-assemblies/brake-discs-8) - [10" Discs](https://www.wcbranham.com/brakes-caliper-disc/disc-and-hub-assemblies/brake-discs-10) - [12" Discs](https://www.wcbranham.com/brakes-caliper-disc/disc-and-hub-assemblies/brake-discs-12) - [16" Discs](https://www.wcbranham.com/brakes-caliper-disc/disc-and-hub-assemblies/brake-discs-16) - [Hubs for 6 5/16" Discs](https://www.wcbranham.com/brakes-caliper-disc/disc-and-hub-assemblies/hub-assemblies-6-5-16) - [Hubs for 8"/10" Discs](https://www.wcbranham.com/brakes-caliper-disc/disc-and-hub-assemblies/hub-assemblies-6-5-16) - [Hubs for 12"/16" Discs](https://www.wcbranham.com/brakes-caliper-disc/disc-and-hub-assemblies/hub-assemblies-12-16) - [Machined Discs](https://www.wcbranham.com/brakes-caliper-disc/disc-and-hub-assemblies/machined-discs) - [Blank Discs](https://www.wcbranham.com/brakes-caliper-disc/disc-and-hub-assemblies/blank-discs) - [Pneumatic Linear Actuators](https://www.wcbranham.com/actuators-pneumatic) - - Rod Cylinders - [ULTRIQ™ Compact Pancake Air Cylinders](https://www.wcbranham.com/actuators-pneumatic/ultriq) - [OVLPRO® Low Profile Rod Air Cylinders](https://www.wcbranham.com/actuators-pneumatic/ovlpro-low-profile-rod-cylinders) - [ARTEC® ISO & UNITOP Rod Air Cylinders](https://www.wcbranham.com/actuators-pneumatic/artec-standard-cylinders) - [ARTEC® Compact & Short Stroke Rod Air Cylinders](https://www.wcbranham.com/actuators-pneumatic/artec-standard-cylinders) - [ARTEC® Round Rod Air Cylinders](https://www.wcbranham.com/actuators-pneumatic/artec-round-cylinders) - [ARTEC® Stainless Steel ISO & Round Rod Air Cylinders](https://www.wcbranham.com/actuators-pneumatic/artec-stainless-steel-cylinders) - [ARTEC® Stopper Rod Air Cylinders](https://www.wcbranham.com/actuators-pneumatic/artec-stopper-cylinders) - [ARTEC® Pneumatic Angular Grippers](https://www.wcbranham.com/actuators-pneumatic/artec-pneumatic-grippers) - [ARTEC® Rod Cylinder Accessories](https://www.wcbranham.com/actuators-pneumatic/artec-accessories) - - Rodless Cylinders - [DURATRK® Band-Type Rodless Air Cylinder](https://www.wcbranham.com/actuators-pneumatic/duratrk-rodless-band-cylinders) - [MAGTEC® Magnetically Coupled-Type Air Cylinder](https://www.wcbranham.com/actuators-pneumatic/magtec-rodless-cylinders) - [PNEU-SA® Enclosed Cable-Type Air Cylinder](https://www.wcbranham.com/actuators-pneumatic/pneusa-rodless-cylinders) - [Rodless Cable Air Cylinders](https://www.wcbranham.com/actuators-pneumatic/rodless-cable-cylinders) - [Guided Cable Air Cylinders](https://www.wcbranham.com/actuators-pneumatic/rodless-cable-cylinders) - [Single Acting Cable Air Cylinders](https://www.wcbranham.com/actuators-pneumatic/single-acting-cable-cylinders) - [Linear Tension Cable Air Cylinders](https://www.wcbranham.com/actuators-pneumatic/linear-tension-cable-cylinders) - [Branham Cable Cylinder Repair Kits](https://www.wcbranham.com/actuators-pneumatic/cylinder-repair-kits) - [Right Angle Gearboxes](https://www.wcbranham.com/gearboxes-right-angle) - - Helical Gearboxes - [INCLUDE-A-SHAFT®](https://www.wcbranham.com/gearboxes-right-angle/include-a-shaft-series-10-mini) - [INSERT-A-SHAFT®](https://www.wcbranham.com/gearboxes-right-angle/include-a-shaft-series-10-mini) - [INSERT-A-SHAFT® Metric](https://www.wcbranham.com/gearboxes-right-angle/helical-gearboxes-metric) - [INSERT-A-SHAFT® CRL](https://www.wcbranham.com/gearboxes-right-angle/helical-gearboxes-crl) - [INSERT-A-SHAFT® CRL Washdown](https://www.wcbranham.com/gearboxes-right-angle/insert-a-shaft-crl-washdown-series) - [INSERT-A-SHAFT® Stainless Steel](https://www.wcbranham.com/gearboxes-right-angle/stainless-steel-gearboxes) - [GLIDE RIGHT™ Crossover](https://www.wcbranham.com/gearboxes-right-angle/helical-glide-right-crossover) - [MICROGEAR®](https://www.wcbranham.com/gearboxes-right-angle/helical-microgear) - - Other Gearboxes - [Spiral Bevel Right Angle Gearboxes, 1:1 or 2:1 Ratio](https://www.wcbranham.com/gearboxes-right-angle/spiral-bevel-gearboxes) - [Worm - BWG4™](https://www.wcbranham.com/gearboxes-right-angle/series-4-worm-gearboxes) - Repair Kits - [Helical Gearbox Repair Kits](https://www.wcbranham.com/gearboxes-right-angle/repair-kits) - [Custom Products](https://www.wcbranham.com/custom-products) [![W.C. Branham Logo](https://blog.wcbranham.com/hubfs/raw_assets/public/Wcbranham_April2024/images/sticky-wcb-logo.svg "W.C. Branham Logo")](https://www.wcbranham.com/) - [Air Over Oil Intensifiers](https://www.wcbranham.com/air-oil-intensifiers) - [Caliper Disc Brakes](https://www.wcbranham.com/brakes-caliper-disc) - [Pneumatic Linear Actuators](https://www.wcbranham.com/actuators-pneumatic) - [Right Angle Gearboxes](https://www.wcbranham.com/gearboxes-right-angle) - [Custom Products](https://www.wcbranham.com/gearboxes-right-angle) ![MICROGEAR® Small Gearbox FAQ: Compact Power Transmission Solutions](https://blog.wcbranham.com/hubfs/MICROGEAR%20FAQ%20(1).png) # MICROGEAR® Small Gearbox FAQ: Compact Power Transmission Solutions [W.C. Branham](https://blog.wcbranham.com/author/w-c-branham) 02/24/2026 [Right Angle Gearboxes](https://blog.wcbranham.com/topic/right-angle-gearboxes) ![MICROGEAR® Small Gearbox FAQ: Compact Power Transmission Solutions](https://blog.wcbranham.com/hubfs/MICROGEAR%20FAQ%20(1).png "MICROGEAR® Small Gearbox FAQ: Compact Power Transmission Solutions") ## Model Selection & Configuration Branham’s MICROGEAR® is a right-angle, hollow core, helical gearbox. It is designed to offer the versatile power transfer capabilities of larger gearboxes in an ultra-compact size (less than 4 cubic inches) that meets today’s increasing need for smaller-scale industrial and end-product applications. [Learn about right-angle gearboxes](https://www.wcbranham.com/gearboxes-right-angle/) ### What models are available? There are two MICROGEAR® models: #### MG5 - ½-inch (12.7mm) bore/shaft centerline dimensions - 1.436 in. x 1.436. in. profile - Four R4A sealed bearings #### MG7 - ¾-inch (19.05mm) bore/shaft centerline dimensions - 1.826 in. x 1.448 in. profile - Four R6 sealed bearings [Discover the advantages of ultra-compact gearboxes](https://blog.wcbranham.com/small-gearbox-micro-iasm5-iasm7/) ### What gear ratios are available? All MICROGEAR® gearboxes have a 1:1 gear ratio. They can operate with power capacity of 1/6 HP and speeds up to 1800 RPM. [Read more about MICROGEAR®](https://www.wcbranham.com/gearboxes-right-angle/helical-microgear) ### Are MICROGEAR® gearboxes available in both hollow bore and shaft options? Yes. Hollow bore models can accept keyed shafting through the gearbox. The MICROGEAR® MG5 has a ¼-in. bore and a ½-in. center distance between the bores. The MG7 has a 3/8-in/ bore with 3/4"-in. center distance between the bores. Shafted models in both sizes can include solid input/output shafts configured in full-through or 2, 3, or 4-way design. [Download the MICROGEAR® product guide](https://cdn.wcbranham.com/files/Branham_MicroGear_Brochure_99009294_Optimized.pdf?_gl=1*19zy2c1*_gcl_au*NzExMTc4Mzc2LjE3Njc5NzYzNjI.) ### Are MICROGEAR® gearboxes bidirectional? Yes. They can rotate clockwise, counter-clockwise, or in both directions. With right-hand direction, the A bore and B bore both rotate clockwise. With left-hand direction, the A bore rotates clockwise but the B bore rotates counter-clockwise. Which type of rotation you need depends on the output rotation required. ### Are MICROGEAR® gearboxes available in stainless steel? Yes, stainless steel is available upon request, making MICROGEAR® an ideal gearbox for sanitary applications and harsh working environments. [Consult a Branham engineer about your requirements](https://www.wcbranham.com/contact) ### What lubrication options are available? MICROGEAR® gearboxes can be ordered with standard or food grade grease. The standard lubrication is Magnalube-G Grade 2 grease. Each gearbox comes pre-lubricated and sealed within a leak-proof gearcase, so they are essentially lubricated for life. [Read how to select a right-angle gearbox](https://blog.wcbranham.com/selecting-a-right-angle-gearbox) ### Can MICROGEAR® gearboxes be customized? Small customizations may be possible, depending on need. [Contact us to see if we can make the changes you need](https://www.wcbranham.com/contact) ### How much lead time is required? Standard lead time for in-stock components is 1 week to ship.  ## Performance & Operating Conditions ### What are the MICROGEAR® key attributes? Both the MICROGEAR® MG5 and MG7 models feature: - 4140 hardened gears - Anodized aluminum housing - Stainless steel shafts - Pre-lubrication with Magnalube-G Grade 2 grease [Get the full details about MICROGEAR® gearboxes](https://cdn.wcbranham.com/files/Branham_MicroGear_Brochure_99009294_Optimized.pdf?_gl=1*19zy2c1*_gcl_au*NzExMTc4Mzc2LjE3Njc5NzYzNjI.) MICROGEAR® gearboxes may be less than half the size of other Branham right-angle gearboxes, but they deliver the advantages for which all our gearboxes are known: - Reliability - Performance - Precision - Speed - Torque control - Cost-efficiency - Long life ### What operating conditions do MICROGEAR® gearboxes support? MICROGEAR® gearboxes are designed to operate within a range of -20o to 220o F.  Any gearbox may overheat if operating outside of rated torque and RPM ranges. In addition to speed of rotation and the amount of torque in the application, any axial or moment load on the shaft will increase stress and, therefore, operating temperature. External bearing may be necessary as well as following proper RPM and torque guidelines. [See full technical specifications](https://cdn.wcbranham.com/files/Branham_MicroGear_Brochure_99009294_Optimized.pdf?_gl=1*19zy2c1*_gcl_au*NzExMTc4Mzc2LjE3Njc5NzYzNjI.) ### Which MICROGEAR® gearbox is best for my application? Key considerations for right-angle gearboxes include: - Performance capability required - Mounting requirements - Environmental operating conditions - Space available ## Application Suitability ### What applications are best suited for MICROGEAR® gearboxes? - Automated vending - Bottling and capping - Conveyors - Electronics - Food processing - Labeling and printing - Material handling - Medical equipment - Packaging - Robotics [Learn how downsized gearboxes support space-saving design](https://blog.wcbranham.com/small-gearbox-micro-iasm5-iasm7/) ## Maintenance & Serviceability ### Are MICROGEAR® gearboxes refurbishable on-site? Yes. Field kits that match MICROGEAR® models are available for on-site replacement of gears and seals. Maintenance technicians familiar with gearbox components can efficiently disassemble the gearbox, replace parts as needed, and reassemble the gearbox for continued service. This saves time and keeps production lines moving. It also enables preventive maintenance to be performed during scheduled downtime, preventing the need for emergency repairs. ### How do I know when MICROGEAR® gearboxes need to be maintained? Replacing gears and or seals, or the entire gearbox if needed, before they fail completely prevents costly downtime and potential damage to other system components. Look for: - Noises the gearbox is beginning to make - Underperformance - Lubrication leaks [Learn how to prolong gearbox life](https://blog.wcbranham.com/gearbox-repair) ### Why should I choose MICROGEAR® over other gearboxes? - Compact size: MICROGEAR® gearboxes are designed to save space for applications where low torque is needed. - Manufacturing quality: MICROGEAR® gearboxes are manufactured in Wisconsin by W.C. Branham using the highest quality materials and workmanship. - Short lead time: Standard lead time of one week to ship for components in stock. - Responsive technical support: Application assistance and troubleshooting from Branham engineers familiar with North American industrial applications, without extensive time-zone delays. - North American distribution: Responsive delivery from Branham’s central-USA location minimizes time from order to receipt. ## Ordering & Support ### How do I order an MICROGEAR® product or get support? Contact W.C. Branham to discuss your application requirements: - Phone: 1-800-428-1974 (U.S./Canada) or 715-426-2000 (Local) - Email: [AskWCB@wcbranham.com](mailto:AskWCB@wcbranham.com) [![Download Brochure ►](https://no-cache.hubspot.com/cta/default/2024592/interactive-162011797859.png)](https://blog.wcbranham.com/hs/cta/wi/redirect?encryptedPayload=AVxigLJHfND%2BSwU6Q9qhBtdmmP0aDIBGjIJx97PCQnA6%2FnPGCJLIIGBr7JpisTIxh02RAS2X6DO5bQ9O3yBm6aos2qe21Xrv5PvjTvrFvz0pWQzjagQK%2FTnklOhHg5ntFqIeCf%2Boamk6jSrQkGYdMCvxeV%2FCG4sx79x9rAv%2BMYJHVvhXJ3mo9Ey5yx44kjqg04L%2FGdmmbjtn536FzncuAbkgObO3lv4WJOpyXrQd17Is5sPvcp88kg%3D%3D&webInteractiveContentId=162011797859&portalId=2024592) --- #### Tag: [Right Angle Gearboxes](https://blog.wcbranham.com/topic/right-angle-gearboxes) #### Share: - [Follow us on Facebook](http://www.facebook.com/share.php?u=https://blog.wcbranham.com/microgear-small-gearbox-faq-compact-power-transmission-solutions) - [Follow us on Twitter](https://twitter.com/intent/tweet?url=https://blog.wcbranham.com/microgear-small-gearbox-faq-compact-power-transmission-solutions&text=MICROGEAR®%20Small%20Gearbox%20FAQ:%20Compact%20Power%20Transmission%20Solutions) - [Follow us on Linkedin](http://www.linkedin.com/shareArticle?mini=true&url=https://blog.wcbranham.com/microgear-small-gearbox-faq-compact-power-transmission-solutions) --- ##### [Previous Post](https://blog.wcbranham.com/ovlpro-low-profile-rod-cylinder-faq) ##### [Next Post](https://blog.wcbranham.com/ultriq-pancake-cylinders-faq) ### Popular Posts [Troy Branham](https://blog.wcbranham.com/author/troy-branham) 03/28/2023 [Right Angle Gearboxes](https://blog.wcbranham.com/topic/right-angle-gearboxes) [As the Worm Turns: How Worm Gears Control Speed in Industrial Machinery](https://blog.wcbranham.com/worm-gears-regulate-speed) [Troy Branham](https://blog.wcbranham.com/author/troy-branham) 06/19/2025 [Caliper Disc Brakes](https://blog.wcbranham.com/topic/caliper-disc-brakes) [What is a Fail-Safe Brake? \[VIDEO\]](https://blog.wcbranham.com/fail-safe-brake) [Troy Branham](https://blog.wcbranham.com/author/troy-branham) 11/05/2024 [Right Angle Gearboxes](https://blog.wcbranham.com/topic/right-angle-gearboxes) [Gearbox Repair and Maintenance: How to Ensure Durability](https://blog.wcbranham.com/gearbox-repair) [W.C. Branham](https://blog.wcbranham.com/author/w-c-branham) 09/27/2024 [Right Angle Gearboxes](https://blog.wcbranham.com/topic/right-angle-gearboxes) [Understanding Right-Angle Gearboxes: Different Types and Selection Tips](https://blog.wcbranham.com/selecting-a-right-angle-gearbox) --- ## Related Posts It is a long established fact that a reader will be distracted by the readable content of a page when looking at its layout. [Right Angle Gearboxes](https://blog.wcbranham.com/topic/right-angle-gearboxes) [W.C. 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