What are the dimensions and profile of this V-belt?

This Conti V-belt has an SPB profile with a width of 16.3 mm, a height of 13 mm, and a datum length Ld of 4250 mm.

What does the L=L designation mean?

It indicates matched-set manufacturing tolerances: belts of the same nominal size can be used together in multi-groove drives without sorting.

What are the inside and outside lengths of this belt?

The outside length La is 4272 mm and the inside length is 4190 mm (164.96 inches).

What material is used for the tension cord?

The internal tension cord is made of polyester (PE) to ensure dependable power transmission and minimal stretch.

Which standard profiles does this belt match?

This SPB profile belt is also equivalent to the US RMA standard 5V1673 and profile 15N.

CONTI SPB4250 CONTI V-belt SPB 4250

Name: CONTI SPB4250 CONTI V-belt SPB 4250
Brand: CONTI
SKU: 05010306
Price: 187.37 EUR
Availability: InStock

Supplier number: CONTI SPB4250 | EAN 4010858744274

187.37 tax incl.

€154.85 excl. VAT (incl. all environmental contributions)

On stock - immediately available

Ordered before 20:00 - delivered as of 09/10/2026
Free shipping
Delivery by DHL

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Reliable power transmission with Conti

Practical benefits

Consistent matched set length: Thanks to the L=L manufacturing tolerance, you can install multiple belts together without tension differences.
High temperature and oil resistance: You achieve dependable operation in temperatures from -55 °C to +70 °C, even in dusty or oily environments.
Built-in certified antistatic protection: Full compliance with ISO 1813 helps you prevent dangerous electrostatic build-up in demanding drives.

In a nutshell

The right choise for

With the Conti Conti-V V-belt spb 4250, you ensure dependable power transmission across heavy industrial machinery, pumps, industrial fans, and agricultural processing equipment. Thanks to the precise L=L matched-set tolerance, you can install multiple belts alongside each other without length discrepancies, delivering balanced load distribution and reduced vibration. The durable polyester tension cord minimizes elongation, while the spb profile with a 16.3 mm width and 4250 mm datum length guarantees efficient power transfer without slippage. Combined with iso 1813 antistatic compliance and strong resistance to dust, oil, and temperatures ranging from -55 °C to +70 °C, this belt keeps your drive systems operating smoothly and reliably.

Product information FAQ

€187.37

In stock - tax incl.

Key features according to our expert

Length: 4250
Width: 16,3 mm
Height: 13 mm
Profile (V-belt): SPB
Reference length Ld: 4250 mm
Inner length Li: 4190 mm; 164,96 inch
Outer length La: 4272 mm
Material (cord): PE
Product line: CONTI V
RMA: 5V1673
Colour (manufacturer): Black

Product description:

Wrapped V-belts for demanding drives in all sectors of machine engineering to DIN 2215 or DIN 7753

Properties:

Temperature range from -55 °C to +70 °C
Matched-set L=L (from 1000 mm)
Electrically conductive to ISO 1813
Conditionally resistant to oil
Suitable for tropical climates
Dust-proof

All Features

Length: 4250
Width: 16,3 mm
Height: 13 mm
Profile (v-belt): SPB
Reference length ld: 4250 mm
Inner length li: 4190 mm; 164,96 inch
Outer length la: 4272 mm
Material (cord): PE
Product line: CONTI V
Rma: 5V1673
Colour (manufacturer): Black

Brand CONTI
05010306
EAN 4010858744274
Supplier number CONTI SPB4250

Frequently asked questions about this product

Answered by specialists

What are the dimensions and profile of this V-belt?: This Conti V-belt has an SPB profile with a width of 16.3 mm, a height of 13 mm, and a datum length Ld of 4250 mm.
What does the L=L designation mean?: It indicates matched-set manufacturing tolerances: belts of the same nominal size can be used together in multi-groove drives without sorting.
What are the inside and outside lengths of this belt?: The outside length La is 4272 mm and the inside length is 4190 mm (164.96 inches).
What material is used for the tension cord?: The internal tension cord is made of polyester (PE) to ensure dependable power transmission and minimal stretch.
Which standard profiles does this belt match?: This SPB profile belt is also equivalent to the US RMA standard 5V1673 and profile 15N.