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Heavy Duty Transmission Portfolio

Precision Industrial Gears & Custom Shafts

Explore National Gears' comprehensive range of custom spur gears, helical shafts, spline shafts, hydraulic pump components, worm shafts, and timing pulleys manufactured to sub-micron accuracy.

Technical Capabilities
Gears and Shafts Portfolio
DIN Class 3-5 ISO 9001:2015
Module Capacity
0.5 to 8.0 Module
Size Range
5mm - 900mm
Helical Shaft and Gears
High Precision Transmission

HELICAL SHAFT AND GEARS

Trusted manufacturer, supplier & exporter of a broad range of helical gears & helical shafts. Precisely machined on state-of-the-art CNC lathe and VMC machines followed by gear cutting on imported gear hobbing machines or gear shapers, with full hardening or case hardening options.

Size Range 5mm - 300mm
Width Range 20mm - 100mm
Module Capacity 0.5 to 8.00 Module
Materials: CK45/AISI1045, EN19, EN24, SAE 8620, EN 353, 16MnCr5, 20MnCr5 (Teeth Hardened/Ground)
Applications: Plastic machinery, earthmoving equipment, textile, sugar industries, rolling mills, elevators & compressors.
High-Torque Configurations

SPUR GEARS & PINION SHAFT

High-grade steel spur gears and integral pinion shafts manufactured for high-torque industrial drives with induction hardening and sub-micron tooth grinding options.

Diameter Size 15mm - 900mm
Width Range 10mm - 100mm
Module 0.5 to 8.00 Module
Spur Gears & Pinion Shaft
Spline Shaft
Involute & Straight Splines

SPLINE SHAFT

Extensively used in earthmoving equipment, textile machinery, starter motors, gear oil pumps, and machine tools. Cuts both involute and straight-sided splines.

Hobbing Dia10mm - 100mm
Max Length300 mm
Shaping Dia15mm - 250mm
Module0.5 to 8.00
Rack & Pinion
Linear Motion Drives

RACK & PINION

Widely used in machine tools, material handling equipment and automobile steering gearboxes. Provided with involute teeth designed so multiple racks can be linked seamlessly.

Rack LengthMax. 600 mm
Module0.5 to 6.00
Helical Gear Shafts
WMW 500 Machined

HELICAL GEAR SHAFTS

Precision hobbed and shaved helical gear shafts engineered for heavy-duty transmission. WMW 500 machine precision delivering consistent performance for diverse angular drives.

Diameter Size20mm - 500 mm
Module Capacity1 to 12 Module
Hydraulic Pump Gears
900+ OEM Types

HYDRAULIC PUMP GEARS

Specialized in 900+ OEM types of hydraulic pump gear pairs used in tractors, earthmoving equipment, power packs, industrial pumps, and tandem gear pumps.

Size Range15mm - 100 mm
Module0.5 to 8.00
Beyond Gears

ENGINEERING COMPONENTS & CUSTOM PARTS

National Gears is a leading manufacturer of precision engineering components including shafts, bearings, housings, transmission assemblies, timing pulleys, plastic & nylon gears.

Engineering Parts

Shafts, bearings, housings, and transmission assemblies crafted with sub-micron accuracy.

Timing Pulleys

Custom timing pulleys in Cast Iron, M.S., Aluminium, Alloy Steel and Bronze.

Plastic & Nylon Gears

Size: 20mm-100mm, Width: 15mm-200mm, Module: 0.5-10.00 with/without steel hub.

Precision Machining

Shaft & Gear Metallurgy Standards

Full batch traceability with sub-micron tooth profile shaving and heat treatment control.

CNC Hobbing & Shaping

Imported automated hobbing and shaper machinery delivering DIN Class 3–5 standards for all gear types.

Sub-Micron Spline Milling

Precision involute and straight-sided splines up to 300mm length and 250mm shaping diameter.

Case Hardening (HRC 58-62)

In-house gas carburizing and induction hardening creating wear-resistant surface with shock-resilient core.

Sub-Micron Metrology

Ra 0.4 µm tooth surface finish evaluated via lead/profile error gear testing and optical comparators.

Custom Gear Manufacturing

Need Custom Hydraulic Pump & Precision Gear Manufacturing?

Send us your technical drawings, 3D CAD files, or OEM part numbers for a fast commercial quotation and engineering consultation.

ISO 9001:2015 Certified 100% Quality Inspected 24-Hour Quote Turnaround