SP-I Slew Drive

Lightweight Slewing Ring Gear Drive SP-I 0841

The SP-I 0841 slewing drive is a robust and compact spur gear slewing solution, engineered for applications requiring precise, stable rotary motion under high load and speed conditions. It integrates a high-performance slewing bearing with a finely machined pinion and gear ring, offering exceptional torque output and rotational reliability. This model is especially suitable for construction equipment, aerial work platforms, automation systems, and marine structures where space efficiency and long service life are critical.

Module: 4 mm  

Teeth number of wheel: 231 (Symbol: Z2)  

Teeth number of pinion: 15 (Symbol: Z1)  

Gear ratio: 15.4 (Symbol: i)  

Max torque: 8350 Newton-meters (Symbol: Md max)


Description

What is SP-I 0841 Slewing Drive?

The SP-I 0841 slewing drive is a robust and compact spur gear slewing solution, engineered for applications requiring precise, stable rotary motion under high load and speed conditions. It integrates a high-performance slewing bearing with a finely machined pinion and gear ring, offering exceptional torque output and rotational reliability. This model is especially suitable for construction equipment, aerial work platforms, automation systems, and marine structures where space efficiency and long service life are critical.

The device employs a fully enclosed IP65-rated housing, ensuring resistance to dust, water, and environmental contaminants, which greatly reduces maintenance frequency and enhances durability. Its modular design is adaptable to electric or hydraulic motors, allowing for flexible power input options across different industrial sectors.
This product is interchangeable with the IMO model SP-I 0841 product

Key Features & Advantages

Enhanced Gear Ratio for High Torque
With a gear ratio of 15.4, the unit delivers a maximum torque of 8350 N·m, suitable for heavy-duty industrial demands.

Precision-Engineered Gear Mechanism
The 15-tooth pinion meshes with a 231-tooth internal ring gear, ensuring stable transmission with minimal backlash and superior load distribution.

Heavy Load Capacity
Supports up to 1450 kN axial static load and 540 kN radial static load, capable of handling the most demanding operating conditions.

Fully Sealed Construction (IP65)
Rotating elements are completely enclosed within a sealed cavity to withstand harsh weather and dusty environments, prolonging system uptime.

Flexible Power Drive Options
Designed to accommodate both electric and hydraulic motors based on project-specific requirements.

Application Scenarios

Aerial Work Platforms & Manlifts
Reliable high-torque rotation under changing loads ensures safety and smooth operation.

Robotic & Automated Machinery
Enables precise, repetitive rotary positioning for industrial automation environments.

Mobile Cranes & Boom Lifts
Powers the slewing motion of large lifting arms with high load capacity and reliability.

Solar Trackers & Renewable Energy Platforms
Provides dual-axis rotation with excellent tracking precision under wind and load pressure.

Marine & Offshore Equipment
Corrosion-resistant, sealed structure ensures long-term use in humid or saline environments.

Why Choose LYRADRIVE’s SP-I 0841 Slewing Drive?

Reliable Performance Under Heavy Load
Built to handle intense mechanical stress, ideal for high-load and continuous motion environments.

Global Interchangeability
Seamless replacement for industry-standard models like IMO SP-I 0841 with full performance compatibility.

Preassembled, Ready-to-Install
Delivered pre-filled with lubrication and precisely assembled for immediate deployment, reducing labor and installation cost.

Optimized Lifecycle Cost
Rugged IP65 design reduces service frequency and cost while enhancing long-term operation.

Application Engineering Support
LYRADRIVE’s technical team offers design customization and integration guidance tailored to your specific project needs.

Request a Quote

Need a robust slewing solution for your project? Contact LYRADRIVE’s engineering team today to get a detailed quotation or explore customization options tailored to your application.

sales@lyradrive.com
+86 13903880726


Item




SP-I 0841

Sign

Unit

Value

Module

M

mm

4

Teeth number of wheel

Z2

231

Teeth number of pinion

Z1

15

Gear ratio

i

15.4

Max torque

Md max

N.m

8350

Nom torque

Md nom

N.m

6020

Max holding torque

Mh

N.m

8350

Radial static load

Co rad

KN

540

Axial static load

Co ax

KN

1450

Radial dynamic load

Crad

KN

240

Axial dynamic load

Cax

KN

280

Weight

W

Kg

96

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Get a Quote

Luoyang Slewring Bearing Co., Ltd.

Location

No. 6, Fenghua Road, Jianxi District, Luoyang Area, China (Henan) Pilot Free Trade Zone.

Make a Call

+86 13903880726

Send a Mail

sales@lyradrive.com