SSGM-075 Stainless Steel Worm Gearbox
The SSGM-075 stainless steel worm gearbox delivers heavy-duty torque through a 28 mm stainless output shaft in a precision-machined six-sided 304 stainless body, 75 mm center distance. Gear ratios 7.5:1 to 100:1 with synthetic lubrication. Built for wastewater treatment, offshore platforms, and heavy commercial washdown. IEC 80B through 100/112B motor flanges.
SSGM-075 Stainless Steel Worm Gearbox — Heavy-Duty Washdown Champion
The SSGM-075 stainless steel worm gearbox is a heavy-duty power transmission unit engineered for large-scale operations demanding both high torque and uncompromising corrosion resistance. A robust 28 mm solid 304 stainless output shaft drives municipal wastewater sludge mixers, offshore fishing vessel conveyors, industrial-scale chemical reactor feeds, and commercial truck wash facility drives with equal reliability. The precision-machined six-sided stainless housing — a defining feature of the SSGM line — provides surface smoothness that resists pitting from chlorinated effluent, sea spray, and acidic process vapors. Supporting gear ratios from 7.5:1 to 100:1 with IEC motor flanges up to 100/112B, the SSGM-075 corrosion-resistant worm drive accommodates motors typically rated 1.1 kW to 3 kW. The 12-2 tin bronze worm gear combined with fully synthetic lubricant ensures efficient, quiet operation even under continuous heavy load conditions typical of 24/7 process plant and marine environments.
Technical Specifications — SSGM-075
| Parameter | Specification |
|---|---|
| Model | SSGM-075 |
| Housing Material | 304 Stainless Steel (Six-Sided Machined Body) |
| Wheel Core Material | 304 Stainless Steel |
| Worm Gear Material | 12-2 Tin Bronze (CuSn12) |
| Surface Finish | Fully Machined (all six external faces) |
| Center Distance | 75 mm |
| Gear Ratio Range | 7.5:1 to 100:1 |
| Available Ratios | 7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100 |
| Output Shaft Diameter | 28 mm (304 Stainless Steel) |
| Output Shaft Length (B) | 60 mm |
| Overall Length (L) | 192 mm |
| Total Length with Input (L1) | 247 mm |
| Mounting Bolt | M10 x 27 |
| Compatible IEC Motor Flanges | 80B5, 80B14, 90B5, 90B14, 100/112B5, 100/112B14 |
| Lubricant | Fully Synthetic Worm Gear Oil (Factory-Filled) |
| Torque Arm Length (K1) | 200 mm |
| Mounting Options | Foot, Flange, Torque Arm (Multi-Directional) |
| IP Protection Rating | IP65 Standard, IP69K Configuration Available |
| Operating Temperature | -10 to +80 degrees C (Standard) |
Technical Reference Drawings
Standardized technical geometry shared across the entire SSGM series. The reference drawings below show the 304 stainless output shaft profiles and torque arm assembly dimensions applicable to the full range of SSGM sizes.
304 Stainless Output Shafts
Output shaft geometry reference for the SSGM-075. Shaft diameter: 28 mm with standardized keyway profile.
Torque Arm Assembly
304 stainless torque arm dimensions for shaft-mounted installation. K1 length: 200 mm.
Key Features & Benefits — SSGM-075
💪 Heavy-Duty 28 mm Stainless Output Shaft
The robust 28 mm output shaft handles high-torque demands of large sludge mixers, offshore equipment conveyors, and commercial vehicle wash facility drives — combining mechanical strength with corrosion immunity.
⚓ Offshore-Proven Machined Stainless Construction
Years of deployment on offshore vessels and coastal processing facilities demonstrate the SSGM-075's ability to maintain structural integrity and surface quality under relentless salt exposure and weather-driven washdown cycles.
🛠 Enhanced Hygienic Washdown Performance
The fully machined external body provides smoother-than-cast surface finish that meets large-scale food production, pharmaceutical bulk manufacturing, and water treatment hygiene requirements — aligning with industry regulatory audits.
✅ Solid 304 Stainless Throughout
Housing, wheel core, output shaft, and flange all manufactured from 304 stainless steel. No dissimilar-metal joints to initiate galvanic corrosion, no coating layers to chip or fail under mechanical stress.
⚙ High-Efficiency Bronze Gear System
The 12-2 tin bronze worm gear paired with fully synthetic worm gear oil delivers efficient torque transfer with minimal heat generation — critical for sustained heavy-duty operation where thermal management drives service life.
🔄 200 mm Stainless Torque Arm Option
Heavy-duty 304 stainless torque arm enables shaft-mounted installation directly on conveyor head shafts and agitator shafts — eliminating separate mounting bases for streamlined heavy equipment integration.
🏆 Wide Motor Range Up to 100/112B Flange
Accommodates motors from 80B through 100/112B frames, supporting motor power from fractional kilowatt through multi-kilowatt drives for the full range of heavy-duty industrial applications.
🛡 Standard 75 mm Center Distance
Industry-standard 75 mm center-distance geometry ensures broad interchangeability with conventional heavy-duty worm reducers of this frame size, while delivering the superior stainless construction that prolongs service life.
Industries & Applications for the SSGM-075
💧 Heavy-Duty Wastewater Treatment
The SSGM-075 is the primary choice for demanding wastewater treatment applications. Its 28 mm stainless output shaft powers sludge mixers, screw conveyors, and dewatering press drives under continuous high-torque loading in hydrogen-sulfide-laden atmospheres that destroy painted alternatives.
⚓ Offshore Marine Installations
Offshore platforms, LNG terminals, and large marine vessels demand gearboxes that withstand unrelenting salt spray and deck vibration. The SSGM-075 corrosion-resistant worm drive handles platform conveyor systems, winch auxiliary drives, and ballast water equipment without the corrosion-driven maintenance cycles that plague standard steel gearboxes.
⚠️ Heavy Chemical Processing
Large-scale chemical reactors and petrochemical blending systems generate significant torque demands alongside aggressive vapor exposure. The SSGM-075 stainless steel worm gear reducer powers agitator shafts, large pump coupling drives, and scrubber mechanisms in environments saturated with sulfur compounds, chlorine gas, and volatile solvents.
🍴 Industrial Food Production
Large food processing plants handling bulk commodities — grain handling, sugar refining, rendering operations — require heavy-duty drives meeting food safety standards. The SSGM-075 food-grade worm reducer combines heavy-duty torque capacity with hygienic machined stainless finish for regulatory compliance.
💊 Bulk Pharmaceutical Production
Large-batch pharmaceutical production with multi-ton blenders and reactor vessels demands heavy-duty stainless drives. The SSGM-075 IP69K worm gearbox meets this need while maintaining surface hygiene required by FDA 21 CFR Part 211 regulations for drug manufacturing equipment.
🚗 Heavy Commercial Vehicle Wash
Heavy-duty truck, bus, and mining equipment wash facilities require larger drives than passenger car wash systems. The SSGM-075 provides the torque needed for oversized brush assemblies and heavy-duty conveyor chains while resisting the constant water, detergent, and acid presoak chemical exposure.
How to Choose the Right Stainless Steel Worm Gearbox
Selecting the optimal stainless steel worm gearbox for your application requires evaluating several critical parameters beyond simple torque matching. The guidance below addresses key considerations for specifying the SSGM-075 or any stainless worm reducer for corrosive-environment installations. For the broader category of drive technologies beyond worm gearboxes, explore our complete worm reducer gearbox category where the SSGM series sits alongside alternative configurations.
Torque & Load Profile
Calculate your required output torque based on the driven load including safety factors for shock loading, starting torque, and duty cycle. The SSGM-075 with its 28 mm output shaft and 75 mm center distance is engineered for applications matching standard 75-size worm reducer torque ranges. Always verify peak torque demand falls within the gearbox rating at your selected gear ratio.
Speed Ratio Selection
The SSGM-075 supports ratios from 7.5:1 to 100:1. Lower ratios (7.5:1 to 20:1) deliver highest mechanical efficiency — ideal for conveyor drives and pump applications. Mid-range ratios (25:1 to 50:1) balance speed reduction with efficiency for general processing equipment. Higher ratios (60:1 to 100:1) provide maximum speed reduction for slow-speed mixers and precision positioning systems, though with slightly reduced efficiency inherent to all worm designs.
Material Grade: 304 vs 316L Stainless Steel
The SSGM series uses 304 stainless steel which provides excellent corrosion resistance for the vast majority of applications including food processing, pharmaceutical manufacturing, freshwater environments, and mild chemical exposure. For installations with direct chloride contact such as seawater submersion or salt brine processing, or continuous strong acid exposure, consult GBC engineering about 316L options. In most washdown and processing environments, 304 SS provides the optimal cost-to-performance balance.
Why Choose a Machined Body over Cast?
The SSGM series features all six external faces fully machined, which delivers three practical advantages over cast-body stainless gearboxes. First, the machined surfaces eliminate cast-surface porosity where contaminants can lodge. Second, flat reference surfaces simplify bracket and baseplate integration on custom equipment. Third, the polished aesthetic suits show-through facilities like craft breweries, cheese-making visitor areas, and pharmaceutical demonstration lines where equipment appearance matters.
Mounting Configuration
The SSGM-075 supports foot mounting, flange mounting, and torque arm mounting (K1 = 200 mm). Foot mounting suits base-mounted equipment. Flange mounting is ideal for direct motor-to-gearbox-to-machine connections. Torque arm mounting enables direct shaft coupling without a separate support base — common on conveyor head shafts and agitator installations. The machined six-sided body simplifies bracket fabrication compared to rounded housings.
IP Protection Rating
The SSGM-075 is designed for washdown environments and offers protection suitable for high-pressure water jet cleaning. For specific IP69K certification requirements, consult GBC to confirm the seal and shaft configuration meets your protection standard. Standard configurations support daily washdown cycles at pressures up to 80 bar.
Stainless Steel vs. Painted Cast Iron Worm Gearbox
| Comparison Factor | SSGM-075 (304 Machined) | Painted Cast Iron |
|---|---|---|
| Corrosion Resistance | Inherent throughout entire housing | Coating-dependent, fails on chip |
| Surface Finish Quality | Machined on all 6 faces — very smooth | Painted over rough cast surface |
| Washdown Durability | Unlimited high-pressure cycles | Paint degrades with repeated exposure |
| Hygienic Compliance | HACCP, FDA, GMP surface standards | Paint flaking creates contamination risk |
| Service Life (Corrosive) | 10-20+ years typical | 6-24 months before coating failure |
| Installation Flexibility | Flat faces ease bracket integration | Rounded body needs custom brackets |
| Lifecycle Cost | Lower over 10-year horizon | Recurring paint and replacement costs |
| Visual Appearance | Show-quality machined stainless | Painted utility appearance |
| Environmental Suitability | Marine, chemical, food, pharma, outdoor | Dry indoor environments only |
Frequently Asked Questions — SSGM-075
Customer Reviews — SSGM-075
★★★★★
"The SSGM-075 powers our crab processing vessel conveyors. Constant North Sea salt spray and deck washdowns have not produced a single pit or corrosion stain."
Luke Patterson — Offshore Maintenance Lead | Australia
★★★★★
"We specify SSGM-075 on every stainless drive package we build for naval auxiliary craft. The six-sided body integrates cleanly with our bracket fabrications."
Chang Min-jun — Shipyard Engineer | South Korea
★★★★★
"Fourteen SSGM-075 units run our sludge scraper drives at the municipal wastewater plant. Reliability and appearance have both exceeded expectations over 22 months."
Priya Kapoor — Water Utility Director | India
★★★★☆
"Heavy-duty unit that keeps our meat processing line running through aggressive caustic washdown cycles. The polished machined faces are still factory-fresh."
Jan Kowalczyk — Food Factory Manager | Poland
★★★★★
"Running SSGM-075 gearboxes on our container terminal deck equipment. Atlantic coast humidity and salt haven't marked the units after 16 months continuous duty."
Diego Fernandez — Port Equipment Chief | Argentina
Related Products
The SSGM series sits alongside several complementary stainless drive technologies within our broader corrosion-resistant gearbox lineup. For applications where the traditional rounded NMRV-style housing is preferred over the six-sided machined geometry, review our SSRV Stainless Steel Worm Reducer series which offers the same 304 stainless construction in a traditional cast-body form factor with identical NMRV dimensional geometry.
For double-reduction requirements or applications demanding deeper gear reduction beyond a single-stage worm drive, the SSVF Stainless Steel Reduction Gearbox series provides high-performance reduction configurations compatible with the same motor flange standards used across the SSGM range. The SSVF series is particularly suited to heavy-duty industrial and marine environments requiring extended reduction ratios.
Compatible stainless steel Electric Motors designed for hygienic washdown and corrosive environments complete the SSGM drive train. These IEC-standard motors pair directly with the SSGM motor flange options and share the corrosion-resistant stainless construction philosophy, delivering a fully integrated stainless drive solution from power source through output shaft. Contact our engineering team for motor sizing and matching recommendations.
Deploy the SSGM-075 for Heavy-Duty Corrosive Service
When heavy-duty torque meets aggressive corrosion environments, the SSGM-075 delivers. GBC engineering is available for load calculations, CAD file delivery, and custom configuration review — at no cost to specifiers.
Free Technical Support | CAD Files Available | Global Shipping
The SSGM-075 stainless steel worm gearbox delivers heavy-duty torque through a 28 mm stainless output shaft in a precision-machined six-sided 304 stainless body, 75 mm center distance. Gear ratios 7.5:1 to 100:1 with synthetic lubrication. Built for wastewater treatment, offshore platforms, and heavy commercial washdown. IEC 80B through 100/112B motor flanges.
