SSGM-050 Stainless Steel Worm Gearbox
The SSGM-050 stainless steel worm gearbox combines show-quality machined six-sided 304 stainless aesthetics with mid-duty performance. 25 mm output shaft, 50 mm center distance, ratios 7.5:1 to 100:1. Preferred for craft breweries, cheese production, pasta lines, and mid-scale bottling. Accommodates IEC 63B through 90B motor flanges.
SSGM-050 Stainless Steel Worm Gearbox — Versatile Brewery & Dairy Specialist

Versatile mid-compact performance meets show-quality aesthetics in the SSGM-050 stainless steel worm gear reducer — the preferred drive for craft brewery mash tuns, cheese vat agitators, pasta extrusion lines, and high-specification bottling infeed conveyors. A 25 mm stainless output shaft delivers the torque required for mid-duty production equipment, while the precision-machined six-sided 304 stainless body provides a polished, professional appearance that suits show-through brewery tasting rooms, cheese-making visitor galleries, and pharmaceutical demonstration lines. Gear ratios from 7.5:1 to 100:1 pair with IEC motor flanges ranging from 63B through 90B, giving the SSGM-050 SS worm gearbox exceptional configurability. The 12-2 tin bronze worm gear operating in fully synthetic oil produces quiet, low-vibration transmission — critical in food and beverage facilities where ambient noise levels directly impact worker comfort and production supervision effectiveness.
Technical Specifications — SSGM-050

| Parameter | Specification |
|---|---|
| Model | SSGM-050 |
| 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 | 50 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 | 25 mm (304 Stainless Steel) |
| Output Shaft Length (B) | 50 mm |
| Overall Length (L) | 153 mm |
| Total Length with Input (L1) | 199 mm |
| Mounting Bolt | M10 x 27 |
| Compatible IEC Motor Flanges | 63B5, 63B14, 71B5, 71B14, 80B5, 80B14, 90B5, 90B14 |
| Lubricant | Fully Synthetic Worm Gear Oil (Factory-Filled) |
| Torque Arm Length (K1) | 100 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-050. Shaft diameter: 25 mm with standardized keyway profile.
Torque Arm Assembly
304 stainless torque arm dimensions for shaft-mounted installation. K1 length: 100 mm.
Key Features & Benefits — SSGM-050
🛠 Show-Quality Machined Stainless Finish
The fully machined six-sided 304 stainless body delivers show-through-quality aesthetics for brewery tasting rooms, cheese-making visitor galleries, and pharmaceutical demonstration lines where equipment is on public display.
✅ 25 mm Solid 304 Stainless Output Shaft
Robust stainless output shaft supports mid-duty agitator, conveyor, and infeed drive applications typical of craft breweries, small-scale cheese production, and boutique food processing facilities.
💪 Mid-Duty Torque Platform
The SSGM-050 bridges compact hygienic drives and heavy industrial units — providing the torque envelope needed for mash tun stirrers, cream separators, and bottling line infeed conveyors in a single standardized platform.
⚙ Quiet Bronze Gear Operation
The 12-2 tin bronze worm gear combined with fully synthetic lubricant produces exceptionally quiet transmission — critical in brewing halls and dairy plants where ambient noise affects worker communication and quality control.
🏆 Extensive IEC Motor Compatibility (63B to 90B)
Accommodates IEC motor frames 63B through 90B, giving the SSGM-050 unmatched configurability for mid-duty drive requirements. Motor power typically scales from 0.37 kW through 1.5 kW depending on duty cycle.
🔄 Universal Multi-Position Mounting
Install in foot, flange, or torque-arm configurations in any spatial orientation — the machined square body actually simplifies bracket and baseplate integration compared to rounded cast housings.
🔒 Extended Maintenance Intervals
Fully synthetic worm gear oil combined with the corrosion-free machined stainless housing drastically reduces scheduled maintenance — no repainting, no rust remediation, just scheduled oil checks.
🛡 Standard 50 mm Center Distance
Conforms to industry-standard 50 mm center-distance geometry — broadly interchangeable with conventional worm reducers of this frame size while offering superior stainless construction and aesthetics.

Industries & Applications for the SSGM-050
🍺 Brewing & Craft Beverage
Craft brewery mash tun stirrers, wort transfer pump drives, and kegging line conveyors rely on the SSGM-050's mid-duty torque and show-quality machined stainless finish. Survives continuous wort splash, hop contact, and cleaning cycle exposure while looking brilliant in tasting-room-adjacent production areas.
🍲 Dairy & Cheese Processing
The SSGM-050 food-grade worm reducer drives cheese vat agitators, whey transfer pumps, and butter churning systems. The machined stainless construction survives daily hot caustic CIP cycles that destroy non-stainless gearboxes within a single production season — delivering consistent performance year after year.
🍴 Mid-Scale Food Production
From bakery dough handling to meat processing conveyors, the SSGM-050 corrosion-resistant gearbox handles mid-duty torque requirements while meeting HACCP surface-finish standards. The six-sided machined body simplifies sanitary bracket integration on custom equipment.
📦 High-Throughput Bottling Lines
High-speed bottling operations demand precise, reliable speed reduction. The SSGM-050 IP69K worm gearbox drives capping heads, labeling rollers, and infeed conveyors with smooth jerk-free motion — the 25 mm shaft handles heavier bottles and higher throughput than compact frames.
💊 Pharmaceutical Mid-Batch Production
Pharmaceutical intermediate batch production with mid-volume reactors and coating pans specifies the SSGM-050 for its machined stainless finish that passes GMP validation cleaning protocols without trapping residues in cast surface porosity.
⚓ Coastal Food Processing
Coastal seafood processing plants, oyster shucking lines, and harbor-side fish markets benefit from the SSGM-050's resistance to salt-laden atmospheres. The machined stainless body survives coastal humidity that corrodes inland-grade painted gearboxes within months.

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-050 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-050 with its 25 mm output shaft and 50 mm center distance is engineered for applications matching standard 50-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-050 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-050 supports foot mounting, flange mounting, and torque arm mounting (K1 = 100 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-050 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-050 (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-050
Customer Reviews — SSGM-050
★★★★★
"Eight SSGM-050 units run our mash tun stirrers and wort transfer pumps. The six-sided machined body looks brilliant in our show brewery and performs consistently year-round."
Jessica Morrison — Brewery Operations | Australia
★★★★★
"Replaced all painted gearboxes in our cheese production hall with SSGM-050s. The sanitary appearance impresses inspectors and the CIP cycles cause zero wear on the housings."
Erik Laaksonen — Dairy Plant Manager | Finland
★★★★★
"Perfect for our pasta sauce bottling line. The SSGM-050 combines elegant aesthetics with serious performance — our maintenance team has not touched them in 14 months."
Elena Moretti — Production Engineer | Italy
★★★★☆
"Great value compared to imported stainless competitors. The machined-body finish is noticeably superior to cast-body SS gearboxes we had previously tested."
Henrik Johansen — Technical Buyer | Denmark
★★★★★
"The SSGM-050 handles our olive oil processing line with ease. Constant oil mist and humidity have no effect on the stainless construction after a full production season."
Fatima Al-Zahra — Plant Engineer | Morocco
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.
Power Your Brewing or Dairy Line with the SSGM-050
Show-quality machined stainless aesthetic meets proven worm gearbox reliability. Contact the GBC engineering team for application-specific sizing, 2D/3D CAD delivery, and volume project pricing on SSGM-050 installations.
Free Technical Support | CAD Files Available | Global Shipping
The SSGM-050 stainless steel worm gearbox combines show-quality machined six-sided 304 stainless aesthetics with mid-duty performance. 25 mm output shaft, 50 mm center distance, ratios 7.5:1 to 100:1. Preferred for craft breweries, cheese production, pasta lines, and mid-scale bottling. Accommodates IEC 63B through 90B motor flanges.


