Drive Belts & V Belts

A drive belt is a length of synthetic flexible material or rubber, joined to make a loop. Drive belts or V belts are used to join two or more pulleys together. The belts are designed to be fitted to the outer edge of the pulley. When tension is applied to the belt it creates friction, thus transferring friction into motion.
How to identify the correct belt
Identifying the correct size belt for your application is critical. As belts can stretch over time is it all too easy to make a mistake. One way to ensure you make the correct selection is by checking to see if the drive belt still has any manufacturers part numbers printed on the belt. If this is not possible due to wear then you need to measure the belt in two very specific ways. A drive belts size is determined by two things, the length and the width.
Measuring the length
The length of the drive or V belt is calculated by measuring the inner circumference of the belt. This can be done with either a specialist V belt measuring tool or a cloth tape. Do not try to measure with a steel tape or ruler. Once you have the circumference of the belt make the tape straight giving you the length.
Measuring the width
If you look at a belts cross section a V or wedge belt will have trapezoidal shaped teeth along the inner side of the belt. To measure the width simply measure across the top of the Vee and the height of the vee. The two measurements relate to ’section’ size.
Belt Types
Once you have the two measurements the figures can be used to identify the belt 'type'. The width measurement would generally appear as a single letter or three letters x the length. Typical belts would appear like,
A Section x Length
B Section x Length
Z Section x Length
XPZ Section x Length
SPZ Section x Length
SPB Section x Length
Applications and uses
Drive belts, V belts and wedge belts are used in a wide range of industrial power transmission applications that utilise pulleys, tensioners, sprockets and gears. Some of the most common are
• Conveyor rollers
• Generators
• Air conditioning compressors
• Water pumps
• Alternators
• Power steering pumps
• Automotive engines
• Lawn mowers

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Description Price Length Inside Length Top Width Height Belt Section Minimum Pulley Diameter Series Material Minimum Operating Temperature Maximum Operating Temperature
RS Stock No. 471-730
BrandRS PRO
TWD84.00
Each
units
610mm - 10mm 6mm Z 50mm - PET, Rubber - -
RS Stock No. 901-0882
Mfr. Part No.L04G89Z
TWD7,583.00
Each
units
30m - 10mm 6.5mm Z 59mm - Polyurethane -30°C +66°C
RS Stock No. 488-3405
Mfr. Part No.XPB 2240
BrandContitech
TWD1,461.00
Each
units
2.24m - 16.5mm 13mm XPB 100mm CONTI FO-Z Rubber -30°C +90°C
RS Stock No. 471-742
BrandRS PRO
TWD197.00
Each
units
1.4m - 13mm 8mm A 80mm - PET, Rubber - -
RS Stock No. 515-0936
Mfr. Part No.XPB 1550
BrandContitech
TWD875.00
Each
units
1.55m - 16.5mm 13mm XPB 100mm CONTI FO-Z Rubber -30°C +90°C
RS Stock No. 488-3398
Mfr. Part No.XPB 2120
BrandContitech
TWD1,300.00
Each
units
2.12m - 16.5mm 13mm XPB 100mm CONTI FO-Z Rubber -30°C +90°C
RS Stock No. 471-809
BrandRS PRO
TWD96.00
Each
units
530mm - 10mm 6mm Z 50mm - PET, Rubber - -
RS Stock No. 488-3168
Mfr. Part No.XPA 950
BrandContitech
TWD399.00
Each
units
950mm - 13mm 9mm XPA 63mm CONTI FO-Z Rubber -30°C +90°C
RS Stock No. 471-916
BrandRS PRO
TWD353.00
Each
units
1.72m - 17mm 11mm B 125mm - PET, Rubber - -
RS Stock No. 488-3275
Mfr. Part No.XPA 1340
BrandContitech
TWD547.00
Each
units
1.34m - 13mm 9mm XPA 63mm CONTI FO-Z Rubber -30°C +90°C
RS Stock No. 474-2950
Mfr. Part No.XPB 2360
BrandContitech
TWD1,452.00
Each
units
2.36m - 16.5mm 13mm XPB 100mm CONTI FO-Z Rubber -30°C +90°C
RS Stock No. 515-0958
Mfr. Part No.XPB 1750
BrandContitech
TWD989.00
Each
units
1.75m - 16.5mm 13mm XPB 100mm CONTI FO-Z Rubber -30°C +90°C
RS Stock No. 474-2461
Mfr. Part No.XPZ 1180
BrandContitech
TWD346.00
Each
units
1.18m - 10mm 8mm XPZ 50mm CONTI FO-Z Rubber -30°C +90°C
RS Stock No. 471-736
BrandRS PRO
TWD145.00
Each
units
1.01m - 13mm 8mm A 80mm - PET, Rubber - -
RS Stock No. 144-8921
Mfr. Part No.SPB 5300
BrandOPTIBELT
TWD2,689.00
Each
units
5.3m 5240mm 16.3mm 13mm SPB 140mm SK Fabric (Cover), Fibre Reinforced Polychloroprene Rubber, Polyester (Tension Cord) -40°C +70°C
RS Stock No. 136-7305
Mfr. Part No.SPB 3550
BrandOPTIBELT
TWD1,804.00
Each
units
3550mm 3490mm 16.3mm 13mm SPB 140mm SK Fabric (Cover), Fibre Reinforced Polychloroprene Rubber, Polyester (Tension Cord) -40°C +70°C
RS Stock No. 471-786
BrandRS PRO
TWD164.00
Each
units
1.14m - 13mm 8mm A 80mm - PET, Rubber - -
RS Stock No. 474-2562
Mfr. Part No.XPZ 1600
BrandContitech
TWD470.00
Each
units
1.6m - 10mm 8mm XPZ 50mm CONTI FO-Z Rubber -30°C +90°C
RS Stock No. 136-7306
Mfr. Part No.SPB 4000
BrandOPTIBELT
TWD2,015.00
Each
units
4000mm 3940mm 16.3mm 13mm SPB 140mm SK Fabric (Cover), Fibre Reinforced Polychloroprene Rubber, Polyester (Tension Cord) -40°C +70°C
RS Stock No. 144-8922
Mfr. Part No.SPC 2360
BrandOPTIBELT
TWD1,935.00
Each
units
2.36m 2277mm 22mm 18mm SPC 224mm SK Fabric (Cover), Fibre Reinforced Polychloroprene Rubber, Polyester (Tension Cord) -40°C +70°C