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
TWD66.00
Each
units
610mm - 10mm 6mm Z 50mm - PET, Rubber - -
RS Stock No. 488-3405
Mfr. Part No.XPB 2240
BrandContitech
TWD1,431.00
Each
units
2.24m - 16.5mm 13mm XPB 100mm CONTI FO-Z Rubber -30°C +90°C
RS Stock No. 901-0882
Mfr. Part No.L04G89Z
TWD7,420.00
Each
units
30m - 10mm 6.5mm Z 59mm - Polyurethane -30°C +66°C
RS Stock No. 488-3168
Mfr. Part No.XPA 950
BrandContitech
TWD391.00
Each
units
950mm - 13mm 9mm XPA 63mm CONTI FO-Z Rubber -30°C +90°C
RS Stock No. 471-809
BrandRS PRO
TWD51.00
Each
units
530mm - 10mm 6mm Z 50mm - PET, Rubber - -
RS Stock No. 515-0936
Mfr. Part No.XPB 1550
BrandContitech
TWD856.00
Each
units
1.55m - 16.5mm 13mm XPB 100mm CONTI FO-Z Rubber -30°C +90°C
RS Stock No. 515-0958
Mfr. Part No.XPB 1750
BrandContitech
TWD968.00
Each
units
1.75m - 16.5mm 13mm XPB 100mm CONTI FO-Z Rubber -30°C +90°C
RS Stock No. 471-916
BrandRS PRO
TWD238.00
Each
units
1.72m - 17mm 11mm B 125mm - PET, Rubber - -
RS Stock No. 471-742
BrandRS PRO
TWD120.00
Each
units
1.4m - 13mm 8mm A 80mm - PET, Rubber - -
RS Stock No. 488-3398
Mfr. Part No.XPB 2120
BrandContitech
TWD1,274.00
Each
units
2.12m - 16.5mm 13mm XPB 100mm CONTI FO-Z Rubber -30°C +90°C
RS Stock No. 488-3275
Mfr. Part No.XPA 1340
BrandContitech
TWD534.00
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
TWD1,281.00
Each
units
2.36m - 16.5mm 13mm XPB 100mm CONTI FO-Z Rubber -30°C +90°C
RS Stock No. 471-960
BrandRS PRO
TWD78.00
Each
units
585mm - 13mm 8mm A 80mm - PET, Rubber - -
RS Stock No. 701-0622
Mfr. Part No.XPA1482
BrandContitech
TWD542.00
Each
units
1.48m - 13mm 9mm XPA 63mm CONTI FO-Z Rubber -30°C +90°C
RS Stock No. 144-8879
Mfr. Part No.SPA 850
BrandOPTIBELT
TWD230.00
Each
units
850mm 805mm 12.7mm 10mm SPA 90mm SK Fabric (Cover), Fibre Reinforced Polychloroprene Rubber, Polyester (Tension Cord) -40°C +70°C
RS Stock No. 701-0625
Mfr. Part No.XPA1532
BrandContitech
TWD573.00
Each
units
1.53m - 13mm 9mm XPA 63mm CONTI FO-Z Rubber -30°C +90°C
RS Stock No. 144-8880
Mfr. Part No.SPA 907
BrandOPTIBELT
TWD255.00
Each
units
907mm 862mm 12.7mm 10mm SPA 90mm SK Fabric (Cover), Fibre Reinforced Polychloroprene Rubber, Polyester (Tension Cord) -40°C +70°C
RS Stock No. 136-7283
Mfr. Part No.SPB 1600
BrandOPTIBELT
TWD706.00
Each
units
1600mm 1540mm 16.3mm 13mm SPB 140mm SK Fabric (Cover), Fibre Reinforced Polychloroprene Rubber, Polyester (Tension Cord) -40°C +70°C
RS Stock No. 471-966
BrandRS PRO
TWD168.00
Each
units
1.09m - 17mm 11mm B 125mm - PET, Rubber - -
RS Stock No. 136-8368
BrandRS PRO
TWD375.00
Each
units
1.65m - 13mm 10mm SPA 90mm - - -40°C +70°C