SP-I Slew Drive

Lightweight Slewing Ring Gear Drive SP-I 0311

SP-I 0311 gear slewing drive is a highly efficient gear reduction transmission device, which is widely used in the automatic slewing of industrial machinery, especially in the occasions that require high precision and high speed. The product consists of two or more spur gears or helical gears with different numbers of teeth. These gears are precisely processed and assembled, and can be effectively positioned through the base to ensure the stability of the product. While realizing the efficient deceleration function, it simplifies the mechanical structure and reduces the difficulty of installation.

The SP-I 0311 slewing drive is a lightweight, compact gear reduction device designed for efficient and precise rotary motion in industrial and mobile applications. Built around a high-performance slewing bearing, it integrates rotation, load support, and gear reduction into a sealed, modular system.

By combining precision-machined spur gears, a robust housing, and smart mechanical integration, the SP-I 0311 simplifies system design while ensuring stability and durability under dynamic loads. Its structure is optimized for high-speed operations, making it ideal for applications that demand compactness and performance reliability.

Module: 4 mm
Teeth number of wheel: 102 (Symbol: Z2)
Teeth number of pinion: 15 (Symbol: Z1)
Gear ratio: 6.8 (Symbol: i)
Max torque: 3580 Newton-meters (Symbol: Md max)


Description

What Is SP-I 0311 Slewing Drive?

The SP-I 0311 is a compact external gear slewing drive with a 6.8:1 gear reduction ratio, offering a powerful solution for high-speed, low-torque rotary systems. It is compatible with both hydraulic and electric motors, allowing flexibility across different environments.

Its IP65-rated sealed housing protects internal components from dust, rain, and debris, enabling reliable performance even in harsh outdoor conditions. The model is interchangeable with IMO SP-I 0311, providing drop-in convenience for system upgrades or replacements.

Key Features

  • Built-in slewing bearing for high load and speed capability

  • Integrated 6.8:1 reduction ratio, no need for external gearbox

  • IP65-rated enclosure for outdoor, all-weather operation

  • Supports both electric and hydraulic motor inputs

  • Fully sealed and pre-lubricated with Mobil EP2 grease

  • Compact, lightweight design for tight installation spaces

  • Up to 40 RPM operating speed, ideal for fast-moving systems

  • Interchangeable with IMO SP-I 0311 model

  • Easy maintenance with extended service intervals

Typical Applications

  • Aerial work platforms

  • Compact construction machinery

  • Light-duty rotary tables and turntables

  • Industrial automation arms and platforms

  • Mobile vehicles and robotic systems

  • Portable radar or sensor platforms

  • Solar tracking structures requiring fast rotation

Installation and Setup

  • Delivered pre-assembled and tested

  • Pre-filled with high-performance Mobil EP2 grease

  • Custom-matched mounting and motor flanges

  • No debugging or alignment needed—plug-and-play installation

Why Choose LYRADRIVE

LYRADRIVE engineers design each slewing drive with practical integration in mind. For custom projects, we offer:

  • Precision-machined housings to match dual-head installation and synchronized movement

  • Complete system kits including planetary gearboxes, servo motors, and controllers, reducing compatibility risks

  • Full support for non-standard and asymmetrical slewing drive solutions

  • Fast response, engineering consultation, and OEM service

Manufacturing advantages:

  • 10,000 m² modern workshop

  • 5,000+ units/month production capacity

  • ISO9001, SGS, BV, CCS certified

  • 5S lean manufacturing system

Get a Quote

Ready to integrate SP-I 0311 into your application?
Contact LYRADRIVE today for specifications, drawings, and pricing.


 Item




SP-I 0311

Sign

Unit

Value

Module

M

mm

4

Teeth number of wheel

Z2

102

Teeth number of pinion

Z1

15

Gear ratio

i

6.8

Max torque

Md max

N.m

3580

Nom torque

Md nom

N.m

2540

Max holding torque

Mh

N.m

3580

Radial static load

Co rad

KN

200

Axial static load

Co ax

KN

530

Radial dynamic load

Crad

KN

165

Axial dynamic load

Cax

KN

190

Weight

W

Kg

42

RELATED PRODUCTS

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