Roller Chain Sprockets

Martin Sprocket & Gear P448M50-SD High Torque Sprocket

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$249.99

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Overview

The Martin P448M50-SD is an HTD (High Torque Drive) timing belt pulley engineered for precision synchronous power transmission. This Martin P448M50-SD pulley combines the efficiency of belt drives with the holding power of chain drives, offering non-slip toothed drive technology with no metal-to-metal contact. With 44 teeth and a 50mm belt width, it delivers precise torque transfer without requiring lubrication, making it ideal for industrial automation systems requiring reliable, maintenance-free operation.

Key Features

  • High Torque HTD Profile: RPP tooth profile ensures secure grip and repeatable positioning
  • No Lubrication Required: Non-slip toothed drive with no metal to metal contact requires no lubrication
  • Precision Machining: Precise machining and processes ensure consistent finish and high quality
  • Quick Disconnect Bushing: SD bushing design accommodates bore sizes from 1/2″ to 2″
  • Dual Flanges: Two flanges provide lateral stability and guidance
  • Steel Construction: Durable steel material resists wear and extends service life

Technical Specifications

The Martin P448M50-SD meets stringent manufacturing standards for synchronous power transmission:

Part Number

P448M50-SD

Manufacturer

Martin Sprocket & Gear

Sprocket Type

HTD High Torque Synchronous Pulley

Belt Pitch

8MM (HTD 8M)

Number of Teeth

44

Belt Width

50mm (1.97 inches)

Outside Diameter

111mm (4.36 inches)

Pitch Diameter

112mm (4.41 inches)

Face Width

60.33mm (2.38 inches)

Bore Type

Bushed (SD Bushing)

Bore Range

0.5 to 2.0 inches

Number of Flanges

2 (Two)

Flange Outside Diameter

120.65mm

Material

Steel

Weight

4.71 lbs (2.14 kg)

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