{"id":2113,"date":"2026-04-08T07:06:29","date_gmt":"2026-04-08T07:06:29","guid":{"rendered":"https:\/\/drivensprockets.top\/application\/sprockets-for-rock-crushers\/"},"modified":"2026-04-08T07:06:29","modified_gmt":"2026-04-08T07:06:29","slug":"sprockets-for-rock-crushers","status":"publish","type":"post","link":"https:\/\/drivensprockets.top\/ja\/application\/sprockets-for-rock-crushers\/","title":{"rendered":"Sprockets for Rock Crushers"},"content":{"rendered":"
\n

Sprockets for Rock Crushers \u2014 Extreme Shock-Load Chain Drives<\/h2>\n

Rock crusher sprockets drive the chain mechanisms in jaw crushers, cone crushers, impact crushers, and feeder systems used in quarrying, mining, and construction aggregate production across Australia. These sprockets endure the most extreme shock loads, abrasive dust, and vibration of any industrial application. We supply crusher sprockets in 4140 alloy steel with induction-hardened teeth HRC 45-55, QD\/split hubs, and full EN 10204 Type 3.1 traceability.<\/p>\n

\"Rock<\/p>\n

Specifications<\/h2>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nRange<\/th>\nCustom<\/th>\n<\/tr>\n<\/thead>\n
Pitch<\/td>\n25.4\u201350.8mm (1″\u20132″)<\/td>\nYes<\/td>\n<\/tr>\n
Chain<\/td>\nANSI #80\u2013#160 \/ ISO 16B\u201332B<\/td>\nYes<\/td>\n<\/tr>\n
Teeth<\/td>\n15\u201345T<\/td>\n9\u201376T<\/td>\n<\/tr>\n
Material<\/td>\n4140 Alloy Steel<\/td>\n4340 for extreme<\/td>\n<\/tr>\n
Hardness<\/td>\nHRC 45\u201355<\/td>\n\u2014<\/td>\n<\/tr>\n
Hub<\/td>\nQD \/ Split<\/td>\nTL<\/td>\n<\/tr>\n
Bore<\/td>\n30\u2013120mm<\/td>\nQD to 150mm+<\/td>\n<\/tr>\n
Strand<\/td>\nDuplex \/ Triplex<\/td>\n\u2014<\/td>\n<\/tr>\n
Speed<\/td>\nUp to 400 RPM<\/td>\n\u2014<\/td>\n<\/tr>\n
Shock Factor<\/td>\n3x rated (intermittent)<\/td>\n\u2014<\/td>\n<\/tr>\n
Dust<\/td>\nExtreme \u2014 silica, limestone<\/td>\n\u2014<\/td>\n<\/tr>\n
TIR<\/td>\n\u22640.03mm<\/td>\n\u2014<\/td>\n<\/tr>\n
Keyway<\/td>\nDIN 6885<\/td>\nImperial<\/td>\n<\/tr>\n
Surface<\/td>\nBlack oxide<\/td>\nHDG<\/td>\n<\/tr>\n
Temp<\/td>\n-10\u00b0C to +60\u00b0C<\/td>\n\u2014<\/td>\n<\/tr>\n
PD (21T #100)<\/td>\n213.0mm<\/td>\n\u2014<\/td>\n<\/tr>\n
OD (21T #100)<\/td>\n228.0mm<\/td>\n\u2014<\/td>\n<\/tr>\n
Max Bore (21T #100)<\/td>\n55mm<\/td>\nQD extends<\/td>\n<\/tr>\n
Fatigue Life<\/td>\n>5M shock cycles<\/td>\n\u2014<\/td>\n<\/tr>\n
Cert<\/td>\nISO 9001, EN 10204 3.1<\/td>\n\u2014<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Working Principle \/ Advantages<\/h2>\n

Where:<\/strong> Crusher feeder chain drive, discharge conveyor head, vibrating grizzly mechanism, crusher toggle drive. Function:<\/strong> Transmit high-torque, shock-loaded power from motor\/gearbox to crusher feed and discharge mechanisms.<\/p>\n

✅ 4140 alloy steel survives 3x shock overloads \u2014 C45 cracks under crusher impact loading.<\/p>\n

✅ HRC 45-55 resists abrasive rock dust \u2014 unhardened teeth erode within weeks.<\/p>\n

✅ Split hub for field replacement \u2014 crusher downtime costs AUD 5,000-20,000\/hour.<\/p>\n

Compatibility \/ Selection<\/h2>\n

OEM:<\/strong> Metso*, Sandvik*, FLSmidth*, Terex*, Kleemann* crushers. *Compatibility ref only.<\/p>\n

Select:<\/strong> ❶ Chain from existing crusher ❷ 4140 material (minimum for crushers) ❸ QD\/split hub ❹ Duplex or triplex ❺ Specify shock factor.<\/p>\n

Case Studies<\/h2>\n
\n
\n

Pilbara, WA \u2014 Iron Ore Crusher:<\/strong> “4140 #120 triplex on our primary jaw crusher feeder. Surviving extreme shock loads in 50\u00b0C heat. 8 months running.”<\/em> ★★★★★<\/p>\n<\/div>\n

\n

Hunter Valley, NSW \u2014 Coal Crusher:<\/strong> “Split hub #100 for discharge conveyor. Replaced during planned shutdown in 90 minutes.”<\/em> ★★★★★<\/p>\n<\/div>\n

\n

Gladstone, QLD \u2014 Limestone Quarry:<\/strong> “QD bushed #80 on our cone crusher. 80mm bore, rapid install on large shaft.”<\/em> ★★★★☆<\/p>\n<\/div>\n

\n

Adelaide Hills, SA \u2014 Aggregate Plant:<\/strong> “4140 with full material cert. Our structural engineer verified composition.”<\/em> ★★★★★<\/p>\n<\/div>\n

\n

Kalgoorlie, WA \u2014 Gold Mine:<\/strong> “Heavy-duty crusher sprockets used across our processing plant. Consistent quality.”<\/em> ★★★★★<\/p>\n<\/div>\n<\/div>\n

FAQ<\/h2>\n
\nWhy 4140 for crushers?<\/summary>\n
Crushers produce extreme intermittent shock loads (3x rated). 4140 alloy steel has superior fatigue strength and impact resistance over C45.<\/div>\n<\/details>\n
\nSplit hub for crusher sprockets?<\/summary>\n
Yes. Essential for crushers where chain removal costs hours of downtime at AUD 5,000+\/hr.<\/div>\n<\/details>\n
\nDust protection?<\/summary>\n
HRC 45-55 hardened teeth resist silica dust abrasion. Sealed bearing idlers available for return path.<\/div>\n<\/details>\n
\nCompatible with Metso\/Sandvik?<\/summary>\n
Yes. ANSI\/ISO sprockets dimensionally interchangeable with OEM crusher drive components.<\/div>\n<\/details>\n
\nMOQ?<\/summary>\n
One piece with 4140 cert + inspection report.<\/div>\n<\/details>\n
\n
\"Heavy<\/p>\n

Heavy Chains<\/p>\n<\/div>\n

\"QD\"<\/p>\n

QD Bushings<\/p>\n<\/div>\n<\/div>\n

✅ ISO 9001 ✅ 4140 standard ✅ EN 10204 3.1 | Ever-Power: crusher sprocket specialist, 15+ yrs mining experience.<\/p>\n

\n

Get Crusher Sprocket Quote<\/h3>\n

\u304a\u554f\u3044\u5408\u308f\u305b<\/a> All Sprockets<\/a><\/div>\n

\u5bb6<\/a> | About<\/a><\/p>\n<\/div>","protected":false},"excerpt":{"rendered":"

Sprockets for Rock Crushers \u2014 Extreme Shock-Load Chain Drives Rock crusher sprockets drive the chain mechanisms in jaw crushers, cone crushers, impact crushers, and feeder systems used in quarrying, mining, and construction aggregate production across Australia. These sprockets endure the most extreme shock loads, abrasive dust, and vibration of any industrial application. We supply crusher sprockets in 4140 alloy steel with induction-hardened teeth HRC 45-55, QD\/split hubs, and full EN 10204 Type 3.1 traceability. Specifications Parameter Range Custom Pitch 25.4\u201350.8mm (1″\u20132″) Yes Chain ANSI #80\u2013#160 \/ ISO 16B\u201332B Yes Teeth 15\u201345T 9\u201376T Material 4140 Alloy Steel 4340 for extreme Hardness HRC 45\u201355 \u2014 Hub QD \/ Split TL Bore 30\u2013120mm […]<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[3144],"tags":[3215,3217,3218,3216,3214],"class_list":["post-2113","post","type-post","status-publish","format-standard","hentry","category-driven-sprocket","tag-crusher-chain-sprocket","tag-jaw-crusher-sprocket","tag-mining-crusher-drive-sprocket","tag-quarry-sprocket","tag-rock-crusher-sprocket"],"_links":{"self":[{"href":"https:\/\/drivensprockets.top\/ja\/wp-json\/wp\/v2\/posts\/2113","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/drivensprockets.top\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/drivensprockets.top\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/drivensprockets.top\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/drivensprockets.top\/ja\/wp-json\/wp\/v2\/comments?post=2113"}],"version-history":[{"count":0,"href":"https:\/\/drivensprockets.top\/ja\/wp-json\/wp\/v2\/posts\/2113\/revisions"}],"wp:attachment":[{"href":"https:\/\/drivensprockets.top\/ja\/wp-json\/wp\/v2\/media?parent=2113"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/drivensprockets.top\/ja\/wp-json\/wp\/v2\/categories?post=2113"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/drivensprockets.top\/ja\/wp-json\/wp\/v2\/tags?post=2113"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}