Product Details

IMO SP-H Series Slewing drive

Since ZZ Slewing Drives are highly compatible with IMO SP-H Series in terms of technical parameters, performance, environmental adaptability and cost-effectiveness, and may have advantages in certain aspects such as price and customization flexibility, they can be a perfect alternative to IMO SP-H Series.

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Specification

Load Capacity and Output Torque: ZZ Slewing Drives offer axial and radial load capacities and output torque ranges that are generally consistent with or higher than the IMO SP-H series. For applications that require large loads, ZZ designs meet industrial-grade requirements and are capable of handling most heavy-duty scenarios.

Gear Ratio Range: ZZ Slewing Drives offer a variety of gear ratio options that match the range of the IMO SP-H series to meet precision control and power transmission needs.

Performance
Accuracy and Stability: ZZ Slewing Drives use high-precision manufacturing processes, and their backlash and rotational accuracy are comparable to the IMO SP-H series, suitable for applications that require high positioning accuracy (such as solar tracking and industrial automation equipment).

Life and Durability: ZZ is manufactured using high-quality materials (such as alloy steel or corrosion-resistant materials) to ensure that its life is comparable to the IMO SP-H series, and it has strong wear and fatigue resistance.

Working efficiency: ZZ has high transmission efficiency and can effectively transmit power, which is suitable for efficient operation scenarios.

Environmental adaptability
Protection level: ZZ Slewing Drives provide IP65 or higher protection level, can operate normally in dusty, humid or extreme temperature conditions, and fully adapt to the working environment requirements of IMO SP-H.

Working temperature range: ZZ’s products cover working environments from extremely cold to high temperatures (such as -40°C to +60°C), which is consistent with the adaptability of IMO SP-H and is suitable for outdoor and industrial environments.

Cost-effectiveness
Price advantage: ZZ Slewing Drives are generally more cost-effective than the IMO SP-H series, especially in large-volume purchases or projects with limited budgets, which can significantly reduce procurement costs.

Part NumberSeriesNumber of drivesDrive styleModuleNumber Of
Teeth Pinion
Number Of
Wheel Teeth
WeightSlew Drive
Gear Ratio
Overall Gear Raito
Incl Gear Box
Max TorqueNom TorquesMax Holding
Torque
SP-H 0455SP-H Series1 driveStraight teeth81572207 Kg4.886.8827673 Nm18115 Nm27673
SP-H 0555SP-H Series1 driveStraight teeth81585226 Kg5.67102.5632670 Nm21590 Nm32670
SP-H 0655SP-H Series1 driveStraight teeth81598246 Kg6.53118.2537667 Nm25048 Nm37667
SP-H 0755SP-H Series1 driveStraight teeth815110268 Kg7.33132.7242279 Nm28204 Nm42279
SP-H 0855SP-H Series1 driveStraight teeth815122289 Kg8.13147.2147180 Nm32749 Nm47180
SP-H 0955SP-H Series1 driveStraight teeth815134315 Kg8.93161.6951888 Nm36342 Nm51888

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Frequently Asked Questions

Expert Insights and Reliable Solutions to Your Most Common Questions.

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.

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.

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)

Correct installation with flat surfaces.

Proper lubrication using grease.

Avoid overloading or shock loads over capacity.

Monitor operating conditions regularly to prevent debris entry.

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.

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

Yes — ZZ Slewing Bearing offers:

Detailed installation manuals.

Online engineering support.

Guidance for lubrication, maintenance, and troubleshooting solution.

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.