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L Inch Sizes Standard Pilot Bore Timing Pulleys

L Inch Sizes standard timing pulleys are the basic type of pulleys for belts with trapezoidal profiles and inch pitch. Their design is according to ISO 5296.

They are made from steel, cast iron or aluminium alloy with a pilot bore, alternatively unbored.

The pulleys are supplied as a semi-finished product and the bore must be modified before mounting the pulleys on the shafts.

66 L 075 (Type 6A, Steel)

66 L 075 (Type 6A, Steel)

Timing Belt Pulley

In stock: no

27.76 without VAT

33.59 including VAT

72 L 050 (Type 6A, Cast Iron)

72 L 050 (Type 6A, Cast Iron)

Timing Belt Pulley

In stock: no

26.00 without VAT

31.46 including VAT

72 L 075 (Type 6A, Cast Iron)

72 L 075 (Type 6A, Cast Iron)

Timing Belt Pulley

In stock: yes

27.14 without VAT

32.84 including VAT

72 L 100 (Type 6A, Cast Iron)

72 L 100 (Type 6A, Cast Iron)

Timing Belt Pulley

In stock: no

34.79 without VAT

42.10 including VAT

84 L 050 (Type 6A, Cast Iron)

84 L 050 (Type 6A, Cast Iron)

Timing Belt Pulley

In stock: no

31.71 without VAT

38.37 including VAT

84 L 075 (Type 6A, Cast Iron)

84 L 075 (Type 6A, Cast Iron)

Timing Belt Pulley

In stock: no

33.97 without VAT

41.10 including VAT

84 L 100 (Type 6A, Cast Iron)

84 L 100 (Type 6A, Cast Iron)

Timing Belt Pulley

In stock: no

23.47 without VAT

28.40 including VAT

Total 5 pages

Pulleys Fields of Use

The L standard timing pulleys are designed for all types of L belts with pitch 9.525 mm.

They are typically used in older machines with lower and medium performance, for example in packaging machines, in the ceramic, textile, food and tobacco industry and in many other machines.

In new applications, they are often replaced by HTD, STD or CTD profiles.

Pulleys Material

Steel or cast iron.

Other materials to order.

Parameter Standard
Surface roughness ISO 254
Balance quality grade VDI 2060, ISO 1940

Caution

Cast iron pulleys at v < 30 m/s must be balanced.

Pulley Code Description

Example:
30 L 075 (Type 6F, Steel)

Code Part Description
30

Number of pulley teeth

L

Teeth pitch in mm and type of pulleys for belts STD

075

Width of the belt in inches × 1/100 (0,75" = 19,05 mm)

6F

Type of construction

Steel

Pulley material 

Documents for Download

Dimensions and Parameters of L Standard Pilot Bore Timing Pulleys - Preview

Dimensions and Parameters of L Standard Pilot Bore Timing Pulleys

TYMA CZ Data Sheets

Czech and English (PDF 121.32 kB)

Pulleys and Clamping Bushes - Preview

Pulleys and Clamping Bushes

TYMA CZ Catalogue

Czech and English (PDF 3.64 MB)