CEMA Idlers Catalogue
The full CEMA-series idler range: dimensions, load ratings and selection tables for every roll configuration.
TECHNICAL DATA
Resources
Technical documentation and certificates for our components, ready to download, and a selection of what our engineers have been writing.
Standard Capabilities
Catalogues and brochures
Full selection tables, dimensions and ratings for the idler ranges, plus the complete pulley and Sensor Seal capabilities.
SABS Idlers Catalogue
The SABS-series range to South African standard: dimensions, load ratings and selection tables.
Pulleys Brochure
Our pulley range and manufacturing capability: lagging, shell construction, shafts, locking elements and process.
Sensor Seal Technical Overview
How the Sensor Seal works, S1 and S2 network planning, gateways, software and the full specifications.
Compliance
Certificates and accreditations
Equipment type examinations and quality management certifications, issued to Lorbrand by independent certification bodies.
ATEX Type Examination Certificate
TÜV Rheinland type examination of the Lorbrand conveyor idler series under Directive 2014/34/EU, covering gas and dust atmospheres in equipment groups II 2G, II 3G, II 2D and II 3D.
ISO 9001:2015 Idlers Certificate
TÜV Rheinland certification of the quality management system covering the manufacture of conveyor rollers, support frames and structures. First certified in 2000.
ISO 9001:2015 Pulleys Certificate
TÜV Rheinland certification of the Pulley Division quality management system covering the manufacture and supply of conveyor pulleys. First certified in 2010.
From Insights
All articles
What our engineers are writing
Technical Comparison
Steel vs Composite Conveyor Rollers
Steel vs composite (GF-HDPE) conveyor idler rollers on weight, wear, corrosion, belt tracking, fire risk and cost, and how to match each to the application.
Technical Discussion
Composite Idler Roller Shell Wear
How much shell wear is safe on composite (GF-HDPE) conveyor rollers, why it accelerates, how to monitor it, and the microplastics question, for operators.
Field Audit
Impumelelo Overland Conveyor Revisited
A 2026 field audit of the Impumelelo overland conveyor after ten years and 150 million tonnes: 85% of the original Lorbrand rollers still in service, with Weibull survival curves fitted to the audit and compared against the contractual guarantee.
Technical Guide
Contact Traces and Failure Analysis of Idler Roller Bearings
A practical guide to reading the contact traces of deep groove ball bearings in conveyor idler rollers, the common failure modes with photographic examples, and the correct way to dismantle a bearing for root-cause analysis.