Product Details

Specification

The ZZ slewing drive is an efficient and reliable rotational device that integrates a motor, reducer, and slewing bearing. It features high load capacity, precise control, and a compact design. Made with high-quality materials, it offers durability and corrosion resistance, making it suitable for solar tracking systems, wind power, construction machinery, and other applications. The ZZ slewing drive supports various specifications to meet diverse requirements, ensuring low maintenance costs and stable performance, making it an ideal solution for high-intensity applications.

Key Features of IMO SP-I Series Slewing Drive:

Compact Design: The SP-I series features a compact design that integrates the motor, gearbox, and slewing ring into one unit, making it ideal for applications with limited space.
High Load Capacity: These drives are designed to handle heavy loads while maintaining high levels of efficiency and stability. The slewing ring and gearing system work together to ensure smooth operation under high torque conditions.
Precision and Reliability: IMO slewing drives are engineered for precision and long-lasting durability, making them suitable for demanding applications that require consistent, reliable performance over time.

Part Number	Series	Number of drives	Drive style	Module	Number Of Teeth Pinion	Number Of Wheel Teeth	Weight	Slew Drive Gear Ratio	Max Torque	Nom Torques	Max Holding Torque
SP-I 0229	SP-I Series	1 drive	Straight teeth	4	15	79	46 Kg	5.27	3002 Nm	2607 Nm	3002
SP-I 0311	SP-I Series	1 drive	Straight teeth	4	15	99	50 Kg	6.6	3762 Nm	2653 Nm	3762
SP-I 0411	SP-I Series	1 drive	Straight teeth	4	15	124	59 Kg	8.27	4712 Nm	3348 Nm	4712
SP-I 0541	SP-I Series	1 drive	Straight teeth	4	15	156	72 Kg	10.4	5928 Nm	4243 Nm	5928
SP-I 0641	SP-I Series	1 drive	Straight teeth	4	15	181	84 Kg	12.07	6878 Nm	4921 Nm	6878
SP-I 0741	SP-I Series	1 drive	Straight teeth	4	15	206	95 Kg	13.73	7828 Nm	5644 Nm	7828
SP-I 0841	SP-I Series	1 drive	Straight teeth	4	15	231	102 Kg	15.4	8778 Nm	6329 Nm	8778
SP-I 0941	SP-I Series	1 drive	Straight teeth	4	15	256	115 Kg	17.07	9728 Nm	7040 Nm	9728
SP-I 1091	SP-I Series	1 drive	Straight teeth	4	15	294	127 Kg	19.6	11172 Nm	8085 Nm	11172

Frequently Asked Questions

Expert Insights and Reliable Solutions to Your Most Common Questions.

1. What types of slewing bearings does ZZ Slewing Bearing provide?

ZZ Slewing Bearing supplies a full range of slewing bearings to meet different industrial needs:

Single row four point contact slewing bearings Application: medium loads, precise rotation.
Double row ball bearings Application: higher radial and axial loads.
Cross roller bearings –Application: high rigidity, suitable for robots and machining centers.
Three row roller bearings – Application: extreme loads in heavy equipment.
Ball combine roller bearings –Application: precise rotational adjustment applications.
Customized bearings – tailored for specific equipment requirements.

2. How do I choose the right bearing for my application?

Typical selection parameter for ZZ clients:

Load type: axial, radial, and tilting moment.

Rotation RPM: ensures long service life.

Installation space & mounting dimensions: inner/outer ring diameter, bolt circle.

Precision & rigidity requirements: critical for cranes, excavators, and robots.

ZZ engineers provide professional selection guidance according to your equipment and drawings.

3. What materials does ZZ Slewing Bearing use for slewing bearings?

ZZ Slewing Bearing selects materials for strength, wear resistance, and long-term durability:

Slewing ring: 42CrMo, 50Mn, C45N, 40CrNiMo, C48E.

Special forging spare parts: carburized/hardened steels for gear teeth (20CrMnTi, 18CrNiMo7‑6).

Corrosion resistant: SS 304, 316L, duplex stainless steel.

Surface treatments: heat treatment, quenching, carburizing, induction hardening, and surface coating(Four-Layer Packing, Strong Anti-Rust Oil, Black Oxide Treatment, Jet Black Paint Finish, Hot-Dip Galvanizing (CGL), Electro-Galvanizing (EGL), Hot-Dip Galvanizing + Paint Finish)

4. How can ZZ Slewing Bearing achieve maximum service life?

Correct installation with flat surfaces.

Proper lubrication using grease.

Avoid overloading or shock loads over capacity.

Monitor operating conditions regularly to prevent debris entry.

5. What causes abnormal noise or vibration in bearings?

Typical factors observed by ZZ engineers:

Insufficient or incorrect lubrication.
(dust, metal particles) in raceways.
Rolling element or track damage.
Uneven mounting surfaces or misalignment.
Incorrect bolt torque(below grade 8.8) or preloading.

6. What are lead times and lifetime guarantee?

In-stock: 3–7 days.

Custom: 2–6 weeks depending on size, load, and precision.

Warranty: 1 year

Lifetime Free Spare Parts: Glue, seals, steel ball

7. Does ZZ provide installation and technical support?

Yes — ZZ Slewing Bearing offers:

Detailed installation manuals.

Online engineering support.

Guidance for lubrication, maintenance, and troubleshooting solution.

8. How do ZZ Slewing Bearing differ from competitors?

Full range of materials and heat treatments for various load conditions.

High precision and strict quality inspection standards.

Engineering support before and after delivery.

Customization to exact equipment requirements.

Proven performance in cranes, excavators, robotics, wind turbines, and heavy machinery etc.

ZZ Slewing Bearing (Shanghai) Co., Ltd

Leading Slew Drive & Slewing Bearing Manufacturer in China.

ZZ products are applied globally in solar tracking systems, wind power systems, satellite communications, and numerous other globally connected industries.