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37mm Spur Gerabox
I.CH
37mm Spur Gerabox
Square
The S372B gearbox is a versatile electric motor reducer, also known as a parallel shaft gear reducer. It adopts straight gears arranged parallel to the shaft. When matched with 12V or 24V DC gear motors, it performs exceptionally well in low‑speed, high‑torque applications, providing stable and reliable performance for various industrial scenarios.
Key Advantages
This parallel shaft gearbox features compact structure, stable transmission, high torque output, and low noise. The input gear of this gearbox is available in spur gear and helical gear options. It accepts full customization including special gear ratios, motor mounting flanges, non-standard assembly screws and custom nameplate part numbers, perfectly fitting custom motor assembly and precision drive projects. It offers excellent durability and adaptability, making it an ideal drive solution for smart home devices, industrial equipment, and small power tools.

Gearbox Length:
19.0-31.5mm , customizable. The gearbox length varies according to different reduction ratios; higher ratios come with longer gearbox body.
Gear Ratio:
1:10-1:1350 (Custom ratios available upon request)
Compatible Motors:
Brushed DC Motor & Brushless DC Motor with customizable flange mounting dimensions for seamless assembly with customer stock motors.
FAQS:
1.Q: What are typical lead‑times for samples and mass production?
A: Sample lead‑time is 2‑3 weeks. Mass production takes around 35 working days after payment. Complex custom work may extend lead‑time.
2.Q: Can you laser‑mark custom part numbers on gearbox nameplate?
A: Yes. Provide your PN in RFQ; we confirm marking details before production.
3.Q: Which trade terms do you accept?
A: Default is FOB Nanjing. CIF service is also available. Tell us your destination for accurate freight cost.
4.Q: What order quantities can you support?
A: We cover small test samples, mid‑size batches and high‑volume OEM orders. Unit price varies by quantity.
5.Q: What details are needed for an accurate quotation?
A: Kindly specify gear ratio, flange requirements, screw specs, order quantity, trade term and application scenario. We will quote after technical review.
| Mechanical Dimensions |
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Factory Ability
As a leading manufacturer of high-performance DC motors, geared motors, planetary gearboxes and spur gearboxes, our products are widely used in automotive, home appliances, industrial equipment, power tools and entertainment systems.
I.CH satisfies global customers across office equipment, medical instruments, automotive parts, industrial automation, toys and other fields.
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Advantages
1. Short Lead-Time;
2. Talented team of engineers providing innovative technical solutions;
3. 1 Year Factory Warranty.
Package
-Packing in safest way;
-Shipping by your requirements;
-Delivery for prototype order is 2-4 weeks, delivery for batch order is around 4 to 8 weeks.

FAQ
A: It is a compact parallel shaft speed reducer for stable, high-torque power transmission.
A: Widely used in smart home, industrial equipment and power tools.
A: Yes, it is specially designed to pair with DC motors and geared motors.
A: Spur gears are more affordable but produce higher noise. Helical gears cost more but offer superior noise reduction.