{"product_id":"bevel-gear-1-5-3-modulus-15-54t-1-2-pairing-90-degree-45-steel","title":"Bevel Gear 1.5-2-2.5-3 Modulus 15-54T Teeth  1:2 Pairing 90° 45# Steel","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003eBevel Gear 1.5–3 Modulus 15–54T — Precision 1:2 Ratio Drive for 90° Shaft Transmission\u003c\/h2\u003e\n\u003cp\u003eWhen a right-angle power transfer demands accuracy and durability, a mismatched or poorly finished bevel gear set becomes the weakest link in the entire drivetrain. Engineers, machinists, and serious DIY builders working on robotics, CNC machines, conveyor systems, and custom gearboxes need a paired bevel gear set that holds tight tolerances under load — without the guesswork of sourcing pinion and wheel separately.\u003c\/p\u003e\n\u003cp\u003eEach set in this listing is a matched 1:2 ratio bevel gear pair machined from 45# medium-carbon steel, delivering a balance of tensile strength and machinability. Available in modulus 1.5, 2, 2.5, and 3, with tooth count pairings ranging from 15T+30T up to 18T+54T (approximately 0.59 in to 2.13 in pitch diameter range depending on modulus). The 90° shaft angle configuration allows direct right-angle power transmission between intersecting shafts.\u003c\/p\u003e\n\u003cp\u003eTypical use cases include: right-angle gearbox assemblies for CNC router Z-axis drives, bevel gear sets for robotic arm joint actuation, and custom industrial conveyor corner drives requiring a reliable 2:1 speed reduction bevel gear pair.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-compat\"\u003e\n\u003cspan class=\"hdiy-compat-icon\"\u003e⚙️\u003c\/span\u003e \u003cstrong\u003eCompatibility:\u003c\/strong\u003e Designed for 90° intersecting shaft configurations. Pinion and wheel are sold as a matched pair. Confirm bore diameter and keyway requirements against your shaft specs before ordering — bore size varies by modulus and tooth count.\u003c\/div\u003e\n\u003cdiv class=\"hdiy-features\"\u003e\n\u003ch2\u003e✅ Key Features of These Bevel Gear Pairs\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-list\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e \u003cstrong\u003eMatched 1:2 Ratio Pairs\u003c\/strong\u003e — Pinion and wheel are machined and paired together, ensuring correct tooth mesh and backlash from the moment you install them.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e \u003cstrong\u003e90° Shaft Angle\u003c\/strong\u003e — Engineered for right-angle intersecting shaft drives, enabling compact gearbox layouts where parallel shaft arrangements are not feasible.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e \u003cstrong\u003e45# Medium-Carbon Steel Construction\u003c\/strong\u003e — Offers a solid combination of wear resistance and toughness, suitable for moderate-to-heavy duty mechanical drives.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e \u003cstrong\u003eMultiple Modulus Options (1.5 \/ 2 \/ 2.5 \/ 3)\u003c\/strong\u003e — Select the modulus that matches your load and speed requirements; larger modulus = stronger tooth profile for higher torque applications.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔄\u003c\/span\u003e \u003cstrong\u003eWide Tooth Count Range (15T–54T)\u003c\/strong\u003e — Seven tooth count pairings available, giving flexibility for different gear ratio stages and shaft center distance requirements.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🏭\u003c\/span\u003e \u003cstrong\u003ePrecision-Cut Tooth Profile\u003c\/strong\u003e — Gear teeth are cut to standard involute bevel gear geometry, supporting smooth engagement and consistent torque transfer across the full tooth face.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ch2\u003e📐 Technical Specifications — Bevel Gear Pairs\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003e45# Medium-Carbon Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShaft Angle\u003c\/th\u003e\n\u003ctd\u003e90°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGear Ratio\u003c\/th\u003e\n\u003ctd\u003e1:2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eModulus Options\u003c\/th\u003e\n\u003ctd\u003e1.5 \/ 2 \/ 2.5 \/ 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTooth Count Pairings\u003c\/th\u003e\n\u003ctd\u003e15T+30T \/ 18T+36T \/ 20T+40T \/ 16T+32T \/ 15T+45T \/ 16T+48T \/ 18T+54T\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePitch Diameter (Pinion)\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePitch Diameter (Wheel)\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBore Diameter\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFace Width\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSurface Finish\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQuantity per Set\u003c\/th\u003e\n\u003ctd\u003e1 PCS (paired set of pinion + wheel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I choose the right modulus for my application?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eModulus determines the size and strength of each gear tooth. A higher modulus (e.g., 3) produces larger, stronger teeth suited for higher torque and slower speed applications. A lower modulus (e.g., 1.5) gives finer teeth for lighter loads and higher speeds. Match the modulus to your load requirements and ensure both the pinion and wheel share the same modulus — this listing sells matched pairs, so the modulus is consistent within each set.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre the pinion and wheel sold together or separately?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eEach listing variant is a matched pair — you receive both the pinion (smaller gear) and the wheel (larger gear) together as one set. The tooth counts shown (e.g., 15T + 30T) represent the pinion and wheel respectively, pre-matched for correct 1:2 ratio mesh.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat shaft angle do these bevel gears support?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThese bevel gear pairs are designed for a 90° shaft angle — meaning the input and output shafts intersect at a right angle. They are not suitable for parallel shaft or non-90° configurations without engineering modification.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these gears corrosion-resistant for outdoor or wet environments?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003e45# steel provides good mechanical strength but has limited inherent corrosion resistance. For outdoor, humid, or wet environments, we recommend applying a suitable lubricant or protective coating after installation. If corrosion resistance is a primary requirement, contact us to confirm whether a treated or alternative material option is available.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I confirm the bore diameter fits my shaft?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eBore diameter varies by modulus and tooth count combination. Please check the variant detail images or contact us with your shaft diameter before ordering. Standard bore sizes for these modulus ranges typically fall between 6mm and 20mm (~0.24\"–0.79\"), but confirm against your specific variant selection.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use these bevel gears in a CNC machine or robotic arm?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes. These 1:2 ratio bevel gear pairs are well-suited for CNC Z-axis right-angle drives, robotic joint actuators, and similar precision mechanical assemblies where a 90° power transfer and 2:1 speed reduction are required. Ensure the selected modulus and tooth count match your torque and speed specifications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between the 1:2 and 1:3 ratio tooth pairings in this listing?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eAll variants in this listing are 1:2 ratio pairs (e.g., 15T+30T, 18T+36T, 20T+40T). Some tooth count pairings such as 15T+45T, 16T+48T, and 18T+54T represent a 1:3 ratio — please verify the tooth count pairing you select matches your intended gear ratio. The listing title covers the full tooth count range available across all variants.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your Modulus and Number of Teeth above, then add to cart.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"HomeDIYer","offers":[{"title":"1.5 Modulus \/ 15T + 30T \/ 1 PCS","offer_id":52439320690962,"sku":"GYJLTJGJXCD0043x1","price":40.77,"currency_code":"USD","in_stock":true},{"title":"1.5 Modulus \/ 18T + 36T \/ 1 PCS","offer_id":52439320723730,"sku":"GYJLTJGJXCD0045x1","price":58.34,"currency_code":"USD","in_stock":true},{"title":"1.5 Modulus \/ 20T + 40T \/ 1 PCS","offer_id":52439320756498,"sku":"GYJLTJGJXCD0046x1","price":59.27,"currency_code":"USD","in_stock":true},{"title":"2 Modulus \/ 15T + 30T \/ 1 PCS","offer_id":52439320789266,"sku":"GYJLTJGJXCD0047x1","price":61.61,"currency_code":"USD","in_stock":true},{"title":"2 Modulus \/ 16T + 32T \/ 1 PCS","offer_id":52439320822034,"sku":"GYJLTJGJXCD0048x1","price":77.93,"currency_code":"USD","in_stock":true},{"title":"2 Modulus \/ 18T + 36T \/ 1 PCS","offer_id":52439320854802,"sku":"GYJLTJGJXCD0049x1","price":101.7,"currency_code":"USD","in_stock":true},{"title":"2 Modulus \/ 20T + 40T \/ 1 PCS","offer_id":52439320887570,"sku":"GYJLTJGJXCD0050x1","price":118.46,"currency_code":"USD","in_stock":true},{"title":"2.5 Modulus \/ 15T + 30T \/ 1 PCS","offer_id":52439320920338,"sku":"GYJLTJGJXCD0051x1","price":98.16,"currency_code":"USD","in_stock":true},{"title":"2.5 Modulus \/ 16T + 32T \/ 1 PCS","offer_id":52439320953106,"sku":"GYJLTJGJXCD0052x1","price":111.11,"currency_code":"USD","in_stock":true},{"title":"2.5 Modulus \/ 18T + 36T \/ 1 PCS","offer_id":52439320985874,"sku":"GYJLTJGJXCD0053x1","price":127.81,"currency_code":"USD","in_stock":true},{"title":"2.5 Modulus \/ 20T + 40T \/ 1 PCS","offer_id":52439321018642,"sku":"GYJLTJGJXCD0054x1","price":145.49,"currency_code":"USD","in_stock":true},{"title":"3 Modulus \/ 15T + 30T \/ 1 PCS","offer_id":52439321051410,"sku":"GYJLTJGJXCD0055x1","price":171.33,"currency_code":"USD","in_stock":true},{"title":"3 Modulus \/ 18T + 36T \/ 1 PCS","offer_id":52439321084178,"sku":"GYJLTJGJXCD0056x1","price":245.04,"currency_code":"USD","in_stock":true},{"title":"3 Modulus \/ 20T + 40T \/ 1 PCS","offer_id":52439321116946,"sku":"GYJLTJGJXCD0057x1","price":255.92,"currency_code":"USD","in_stock":true},{"title":"2 Modulus \/ 15T + 45T \/ 1 PCS","offer_id":52439321149714,"sku":"GYJLTJGJXCD0058x1","price":142.39,"currency_code":"USD","in_stock":true},{"title":"2 Modulus \/ 16T + 48T \/ 1 PCS","offer_id":52439321182482,"sku":"GYJLTJGJXCD0059x1","price":171.33,"currency_code":"USD","in_stock":true},{"title":"2 Modulus \/ 18T + 54T \/ 1 PCS","offer_id":52439321215250,"sku":"GYJLTJGJXCD0060x1","price":92.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Main-03_eea2adf6-1b1d-4e88-97be-931461756df2.jpg?v=1783349297","url":"https:\/\/homediyer.com\/products\/bevel-gear-1-5-3-modulus-15-54t-1-2-pairing-90-degree-45-steel","provider":"HomeDIYer","version":"1.0","type":"link"}