Timing belt pulleys

Profiles of our standard pre-bored timing belt pulleys:

(ex stock Schwanden, subject to prior sale)

Standard timing belt pulleys

partly with or without flanged pulleys

• Profile MXL - 0.080" (2.032 mm)
• Profile XL 037- 1/5" (5.08mm)
• Profile L 050 - 3/8" (9.525 mm)
• Profile L 075 - 3/8" (9.525 mm)
• Profile L 100 - 3/8" (9.525 mm)
• Profile H 100 - ½" (12.7 mm)
• Profile H 150 - ½" (12.7 mm)
• Profile H 200 - ½" (12.7 mm)
• Profile H 300 - ½" (12.7 MM)

HTD® standard timing belt pulleys

partly with or without flanged pulleys

• Profile 3M-09
• Profile 3M-15
• Profile 5M-09
• Profile 5M-15
• Profile 5M-25
• Profile 8M-20
• Profile 8M-30
• Profile 8M-50
• Profile 8M-85

Standard timing belt pulleys (aluminium) - metric pitch

• Profile T 2.5 (pitch 2.5 mm) for belt width 6 mm
• Profile T 5 (pitch 5 mm) for belt width 10 mm
• Profile T 5 (pitch 5 mm) for belt width 16 mm
• Profile T 5 (pitch 5 mm) for belt width 25 mm
• Profile T 10 (pitch 10 mm) for belt width 16 mm
• Profile T 10 (pitch 10 mm) for belt width 25 mm
• Profile T 10 (pitch 10 mm) for belt width 32 mm
• Profile T 10 (pitch 10 mm) for belt width 50 mm
• Profile AT 3 (pitch 3 mm) for belt width 10 mm
• Profile AT 3 (pitch 3 mm) for belt width 16 mm
• Profile AT 5 (pitch 5 mm) for belt width 10 mm
• Profile AT 5 (pitch 10 mm) for belt width 16 mm
• Profile AT 5 (pitch 5 mm) for belt width 25 mm
• Profile AT 10 (pitch 10 mm) for belt width 16 mm
• Profile AT 10 (pitch 10 mm) for belt width 25 mm
• Profile AT 10 (pitch 10 mm) for belt width 32 mm
• Profile AT 10 (pitch 10 mm) for belt width 50 mm

HOT standard timing belt pulleys (Helical Offset tooth)
CONTI® SILENTSYNC

• Profile HOT 8 with 18 – 75 teeth, forbelt width 16 mm, 32 mm, 64 mm
• Profile HOT 14 with 28 – 60 teeth, for belt width 35mm, 52,5 mm, 70 mm, 105 mm

Profiles of our taper system timing belt pulleys:

(ex stock Schwanden, subject to prior sale)

Taper system timing belt pulleys

partly with and without flanged pulleys

• Profile L 050 - 3/8" (9.525 mm)
• Profile L 075 - 3/8" (9.525 mm)
• Profile L 100 - 3/8" (9.525 mm)
• Profile L 100 - ½" (12.7 mm)
• Profile H 150 - ½" (12.7 mm)
• Profile H 200 - ½" (12.7 mm)
• Profile H 300 - ½" (12.7 mm)

HTD® taper system timing belt pulleys

partly with or without flanged pulleys

• Profile 5M-15
• Profile 8M-20 (also with customised number of teeth)
• Profile 8M-30 (also with customised number of teeth)
• Profile 8M-50
• Profile 8M-85
• Profile 14M-55
• Profile 14M-85
• Profile 14M-115
• Profile 14M-170

Taper system timing belt pulleys for POLY CHAIN® GT or SYNCHROCHAIN® CTD belts

• Profile GT/CTD 8M-12
• Profile GT/CTD 8M-21
• Profile GT/CTD 8M-36
• Profile GT/CTD 8M-62
• Profile GT/CTD 14M-37
• Profile GT/CTD 14M-68

Please note that clamping bushes must always be ordered separately!

It is extremely important to match the pitch of the pulley and the belt in timing belt drives. Torques are positively transmitted. The teeth of the belts must fit into the tooth gaps of the corresponding profile pulley without friction. For difficult drive problems and serial applications, we recommend that you contact us for advice!

Further information about our timing belt pulleys:

Depending on the operating conditions and gear load, timing belt pulleys can be made of grey cast iron, steel or aluminium alloys. The version depends on the manufacturer and may vary. Smaller timing belt pulleys are supplied from the factory with flanged pulleys. Flanged pulleys prevent the timing belts from slipping off. In a timing belt drive at least one of two timing belt pulleys need two flanged wheels. The self tracking HOT Helical Offset Tooth design of Conti® SilentSync eliminates the need for pulley flanges. We supply timing belt pulleys either pre-bored or with a clamping bush system such as Taper-Lock®. This taper system is used more and more frequently because there is no need to bore and ream a groove directly into the pulley.

Advantages of timing belt drives:

• low-noise
• high power transmission due to the positive gearing
• high rotational speeds
• small installation dimensions
• tight wrap angles

A great deal of research was required to achieve the variety of timing or toothed belt drives that exist today. The stringent requirements of a wide range of drive systems have be taken into consideration. Ever greater power levels have to be transmitted as quietly as possible. Spatial conditions are to some extent very narrow - meanwhile there is a belt for almost every requirement and of course the corresponding pulley profile.