Steel Timing Pulley

Parameter Technical Specification
Product Type Heavy-Duty Precision Steel Timing Pulley
Material Grade Medium Carbon Steel (S45C / AISI 1045), Alloy Steel (4140), Low Carbon Steel (1020)
Tooth Profile Compatibility HTD (3M, 5M, 8M, 14M), STD (S3M, S5M, S8M, S14M), T (T5, T10, T20), AT (AT5, AT10, AT20), Imperial (XL, L, H, XH)
Bore Configuration Pilot Bore, Stock Bore, Finished Bore with Keyway & Setscrews, Taper-Lock Bushing (TL), QD Bushing
Surface Treatment Black Oxide, Zinc Plated (Clear/Yellow), Phosphate Coated, Case Hardened (Induction / Nitrided)
Precision Class ISO 5294 / DIN 7721 Standard Precision (CNC Machined Tolerances up to H7)
Flange Specification Heavy-Duty Zinc-Plated Steel Flanges (Pressed / Screwed, Single or Dual Side)
Temperature Range -40°C to +300°C (-40°F to +572°F)

Description

Product Description

Steel Timing Pulleys are robust power transmission components engineered for heavy-duty, high-torque industrial synchronous drive systems. Precision CNC hobbed from high-strength carbon or alloy steel, these pulleys deliver exceptional tooth root strength, superior wear resistance, and long service life. They are designed to withstand extreme shock loads, high rotational speeds, and demanding operational conditions when paired with rubber or polyurethane timing belts.

Applications

Heavy Machinery & Conveying: Mining equipment, crushers, heavy-duty roller conveyors, and industrial blowers.

Automotive & Industrial Automation: Machine tool spindles, stamping presses, paper converting lines, and high-load gantry systems.

Power Transmission Drives: Chain-to-belt conversion systems, agricultural machinery, and high-torque motor drives.

Key Features

Maximum Torque & Shock Load Capacity: High-tensile steel construction resists tooth deformation and shear failure under dynamic peak loads.

Superior Surface Hardness: Optional case hardening or nitriding extends pulley tooth life in highly abrasive operating environments.

Precision Tooth Hobbing: CNC-machined profiles minimize pitch error, reduce belt tooth friction, and optimize power transfer efficiency.

Corrosion Protection Options: Available with protective black oxide, zinc plating, or phosphating to resist rust and environmental wear.

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