Engineering references for the factory floor.
Practical references for identifying components, checking dimensions and clarifying requirements before manufacture, replacement, integration or supply.
Bearings guides
Reference sizing, profiles, and standards for bearings before you enquire.
How to Read Bearing Designations
Understand SKF and ISO bearing numbering systems for faster RFQs.
Read guide →BearingsBall vs Roller Bearing Selection
Choose the right bearing type for radial load, axial load, and speed.
Read guide →BearingsSealed vs Open Bearings
Match sealing to dust, moisture, and maintenance access requirements.
Read guide →BearingsPillow Block vs Flange Units
Select housed unit style for mounting layout and shaft alignment.
Read guide →BearingsBearing Clearance & Fit
Confirm shaft and housing fit for temperature and speed conditions.
Read guide →Belts & Pulleys guides
Reference sizing, profiles, and standards for belts & pulleys before you enquire.
Pulley Size Calculation
Calculate OD, pitch diameter, and groove count for replacements.
Read guide →Belts & PulleysTaper Lock Bush Size Chart
Match taper sizes to shaft diameters and hub series.
Read guide →Belts & PulleysPulley Groove Profiles: SPA, SPB, SPC vs Classical
Match pulley grooves to the correct V-belt section before ordering.
Read guide →Belts & PulleysTaper Lock Pulley vs Finished Bore
Choose the mounting style that fits your shaft and maintenance strategy.
Read guide →Belts & PulleysIdler vs Drive Pulley
Separate routing duty from torque-transfer duty when specifying pulleys.
Read guide →Chains & Sprockets guides
Reference sizing, profiles, and standards for chains & sprockets before you enquire.
Roller Chain Pitch Guide
Match chain pitch to sprocket and drive requirements using BS and ANSI tables.
Read guide →Chains & SprocketsSprocket Teeth & Bore Selection
Confirm drive ratio, minimum teeth, and shaft fit before ordering.
Read guide →Chains & SprocketsSimplex vs Duplex Chain Drives
Choose strand count based on torque and sprocket width.
Read guide →Chains & SprocketsChain Length Calculation
Calculate required links from center distance and sprocket teeth.
Read guide →Chains & SprocketsChain Lubrication & Maintenance
Extend chain life with correct lubrication and tension settings.
Read guide →Shaft Couplings & Bushes guides
Reference sizing, profiles, and standards for shaft couplings & bushes before you enquire.
Taper Lock Bush Size Chart
Match taper sizes to shaft diameters and hub series.
Read guide →Shaft Couplings & BushesJaw vs Flexible Coupling Selection
Choose based on torque, misalignment, and vibration damping requirements.
Read guide →Shaft Couplings & BushesKeyway Dimensions & Key Selection
Confirm key width, height, and length for shaft and hub fit.
Read guide →Shaft Couplings & BushesCoupling Misalignment Limits
Understand angular, parallel, and axial misalignment tolerances.
Read guide →Shaft Couplings & BushesTaper Lock Assembly & Removal
Correct tightening sequence and extraction for maintenance.
Read guide →Industrial fasteners guides
Reference sizing, profiles, and standards for industrial fasteners before you enquire.
Metric Fastener Grades Explained
Select the correct strength grade for structural and machine applications.
Read guide →Industrial fastenersStainless vs Carbon Steel Fasteners
Match material to environment, corrosion, and load requirements.
Read guide →Industrial fastenersDIN vs ISO Fastener Standards
Understand designation differences for European and international specs.
Read guide →Industrial fastenersThread Pitch & Length Selection
Confirm coarse vs fine thread and grip length for assemblies.
Read guide →Industrial fastenersCoatings & Corrosion Protection
Zinc, hot-dip galvanizing, and stainless for harsh environments.
Read guide →Pneumatic & Hydraulic Components guides
Reference sizing, profiles, and standards for pneumatic & hydraulic components before you enquire.
Choosing Pneumatic Cylinder Bore & Stroke
Size cylinders for load, pressure, and speed requirements.
Read guide →Pneumatic & Hydraulic ComponentsHydraulic Hose Specification Basics
Match hose type, pressure rating, and end fittings correctly.
Read guide →Pneumatic & Hydraulic ComponentsBSP vs NPT Thread Identification
Avoid cross-threading with correct port thread identification.
Read guide →Pneumatic & Hydraulic ComponentsSolenoid Valve Wiring & Voltage
Confirm coil voltage, connector type, and valve function.
Read guide →Pneumatic & Hydraulic ComponentsFRL Units & Air Preparation
Filter, regulator, and lubricator selection for compressed air systems.
Read guide →When the specification is incomplete, start with the equipment.
Send part numbers, photos, samples, dimensions or operating details. We investigate the requirement before choosing the route.