Product Details

Specification

ZZ Slewing Drive is a type of mechanical drive system designed for applications that require high torque, precise rotational movement, and durability. Slewing drives are often used in heavy-duty machinery, renewable energy systems, and automation. ZZ is a manufacturer known for offering a wide range of slewing drives with various sizes, capacities, and configurations tailored to different industrial needs.

High Torque Capacity:

ZZ slewing drives are designed to handle high radial and axial loads, making them suitable for heavy-duty applications.
They provide smooth and precise rotational movement under significant torque, which is essential in applications like cranes, solar trackers, and heavy equipment.

Compact and Robust Design:

These drives are compact, combining the slewing ring, gearbox, and motor in one unit, which simplifies the design and reduces the number of parts.
The robust design ensures that the slewing drive can withstand harsh working conditions, including outdoor environments or challenging industrial settings.

Part Number	Series	Number of drives	Drive style	Module	Number Of Threads Of The Worm	Self Locking Gears	Weight	Slew Drive Gear Ratio	Max Torque	Nom Torques	Max Holding Torque
WD-L 0156 / 1-row / 1 drive	WD-L Series	1 drive	Worm	5	1	No**	40 Kg	46	3280 Nm	2520 Nm	3280
WD-L 0223 / 1-row / 1 drive	WD-L Series	1 drive	Worm	5	1	No**	50 Kg	62	9303 Nm	4795 Nm	9303
WD-L 0223 / 1-row / 2 drives	WD-L Series	2 drive	Worm	5	1	No**	93 Kg	62	18606 Nm	9590 Nm	18606
WD-L 0223 / 2-row / 1 drive	WD-L Series	1 drive	Worm	5	1	No**	60 Kg	62	9303 Nm	4795 Nm	9303
WD-L 0230 / 1-row / 1 drive	WD-L Series	1 drive	Worm	5	1	No**	55 Kg	62	9303 Nm	4795 Nm	9303
WD-L 0343 / 1-row / 1 drive	WD-L Series	1 drive	Worm	5	1	No**	68 Kg	86	12905 Nm	10150 Nm	12905
WD-L 0343 / 1-row / 2 drives	WD-L Series	2 drive	Worm	5	1	No**	107 Kg	86	25810 Nm	20300 Nm	36872
WD-L 0343 / 2-row / 1 drive	WD-L Series	1 drive	Worm	5	1	No**	82 Kg	86	12905 Nm	10150 Nm	12905
WD-L 0419 / 1-row / 1 drive	WD-L Series	1 drive	Worm	5	1	No**	92 Kg	104	15606 Nm	15606 Nm	15606
WD-L 0419 / 1-row / 2 drives	WD-L Series	2 drive	Worm	5	1	No**	150 Kg	104	31212 Nm	31212 Nm	44590
WD-L 0419 / 2-row / 1 drive	WD-L Series	1 drive	Worm	5	1	No**	112 Kg	104	15606 Nm	15606 Nm	15606
WD-LC 0223 / 1-row / 1 drive	WD-L Series	1 drive	Worm	5	1	No**	58 Kg	62	4272 Nm	4272 Nm	4272
WD-LC 0343 / 1-row / 1 drive	WD-L Series	1 drive	Worm	5	1	No**	88 Kg	86	5926 Nm	5926 Nm	5926
WD-LC 0419 / 1-row / 1 drive	WD-L Series	1 drive	Worm	5	1	No**	103 Kg	104	7166 Nm	7166 Nm	7166
WD-L 0478 / 1-row / 1 drive	WD-L Series	1 drive	Worm	6	2	No**	139 Kg	47	24288 Nm	24288 Nm	34263
WD-L 0478 / 1-row / 2 drives	WD-L Series	2 drive	Worm	6	2	No**	184 Kg	47	48576 Nm	48576 Nm	68526
WD-L 0478 / 2-row / 1 drive	WD-L Series	1 drive	Worm	6	2	No**	179 Kg	47	24288 Nm	24288 Nm	34263
WD-LC 0478 / 1-row / 1 drive	WD-L Series	1 drive	Worm	6	2	No**	175 Kg	47	11013 Nm	11013 Nm	11013
WD-L 0625 / 1-row / 1 drive	WD-L Series	1 drive	Worm	7	2	No**	246 Kg	51.5	42824 Nm	42824 Nm	61177
WD-L 0625 / 1-row / 2 drives	WD-L Series	2 drive	Worm	7	2	No**	313 Kg	51.5	85648 Nm	85648 Nm	122354
WD-L 0625 / 2-row / 1 drive	WD-L Series	1 drive	Worm	7	2	No**	292 Kg	51.5	42824 Nm	42824 Nm	61177
WD-LC 0625 / 1-row / 1 drive	WD-L Series	1 drive	Worm	7	2	No**	254 Kg	51.5	19664 Nm	19664 Nm	19664
WD-L 0620 / 2-row / 1 drive	WD-L Series	1 drive	Worm	10	2	No**	742 Kg	40	137200 Nm	137200 Nm	137200
WD-L 0620 / 2-row / 2 drives	WD-L Series	2 drive	Worm	10	2	No**	864 Kg	40	274400 Nm	274400 Nm	274400
WD-LC 0620 / 2-row / 1 drive	WD-L Series	1 drive	Worm	10	2	No**	728 Kg	40	63000 Nm	63000 Nm	63000
WD-LC 0620 / 2-row / 2 drives	WD-L Series	2 drive	Worm	10	2	No**	835 Kg	40	126000 Nm	126000 Nm	126000
WD-L 0713 / 2-row / 1 drive	WD-L Series	1 drive	Worm	12	2	No**	1215 Kg	37.5	223252 Nm	223252 Nm	223252
WD-L 0713 / 2-row / 2 drives	WD-L Series	2 drive	Worm	12	2	No**	1400 Kg	37.5	446504 Nm	446504 Nm	446504
WD-LC 0713 / 2-row / 1 drive	WD-L Series	1 drive	Worm	12	2	No**	1132 Kg	37.5	102513 Nm	102513 Nm	102513
WD-LC 0713 / 2-row / 2 drives	WD-L Series	2 drive	Worm	12	2	No**	1285 Kg	37.5	205026 Nm	205026 Nm	205026

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.