Overview

Pulleys

The Challenge range of ‘V’ pulleys are produced with taper bore configuration and conform to ISO 4183. Pulleys are produced from phosphated GG25 grade cast iron and are balanced to Q6.3 or better.

Challenge also manufacture taper bore and pilot bore classical and HTD timing pulleys to the same demanding specifications.

Features

• All Challenge pulleys are produced from cast iron or steel and have a phosphated finish for protection

• V, Mi-Lock and Poly-V pulleys are balanced to Q6.3 or better allowing them to run at peripheral (rim) speeds up to 40 m/s

V Belt Pulleys

• Can accommodate both wedge and classical belts

• Dual duty design complying with ISO 4183

• Manufactured from GG25 high grade cast iron

• Available in taper bore. Pilot and QD bush bores can be produced on enquiry.

• A wide range of non-standard styles and sizes up to a diameter of 2400 mm can be produced.

Mi-Lock (Bi-Lock) Pulleys

• A simple, effective one or two groove pulley system

• No keyways or grub screws required due to the unique high torque locking system

• Manufactured from GG25 high grade cast iron

Poly-V Pulleys

• Available in sections J, K and L sections

• Manufactured from GG25 high grade cast iron

Classical Timing Belt Pulleys

• Available in taper bore for L (3/8”) and H (1/2”)

sections

• Also available in pilot bore for XL (1/5”), L (3/8”)

and H (1/2”) sections

• Manufactured from either high grade cast iron or

steel

• Pulleys suit standard belt widths

HTD® Pulleys

• Available in sections 5M, 8M and 14M

• Available in both taper and pilot bore

• Manufactured from either high grade cast iron or

steel

Metric Timing Pulleys

• Available in sections T2.5, T5 and T10

• Only available in pilot bore, can be manufactured in

taper bore

• Manufactured from either aluminium or cast iron

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