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Order total (product + machining): £33.29

Price varies by bore size and Bore Qty (per machined hub).

Bore size (Hub 1)

Bore size (Hub 2)

Bore Qty (machined items)

Max equals product quantity.

Please Confirm any Additional Machining Details Required (optional)

Keyway size (optional)

Price Breakdown

Up to 25mm (0.984") – (£15)
Up to 40mm (1.575") – (£20)
Up to 60mm (2.362") – (£30)
Over 60mm (2.362"+) – (£45)

Quantity Discount Breakdown

1 to 5 items: No discount
6 to 9 items: 10% off
10 to 19 items: 15% off
20 to 49 items: 20% off
50 to 99 items: 25% off
100+ items: 30% off

SKU: SPB12502 V-Belt Pulleys

SPB 125-02 V-BELT PULLEY(2012)

Name: SPB 125-02 V-Belt Pulley (2012) | UK Stock | Arrow Engineering
SKU: SPB12502
Price: 33.29 GBP
Availability: InStock

£33.29

ex. VAT · £39.94 inc. VAT

JS9 Tight Fit Anti-Roll H7 Precision Transition Fit ISO 9001 Quality Assured

In Stock — Dispatches within 24 hours. Bulk orders (10+) available — call for lead time.

Technical Specifications

Belt Section

SPB

Pitch Diameter (mm)

125

Number of Grooves

Taper Bush Size

2012

Groove Angle

34Â°

Belt Width

16.3mm

Groove Depth

14mm

Material

Cast Iron EN-GJL-200

Weight

1.9kg

Dimensions (L × W × H)

12.5 × 12.5 × 12.5 cm

Overall envelope

Standards & Fit

JS9

JS9 Keyway Tight fit anti-roll standard

Precision Transition Fit Precision bore fit

ISO

ISO 9001:2015 Quality Assured

Parameter	Value	Notes
SKU	SPB12502	Aroflex part number
Belt Section	SPB
Pitch Diameter (mm)	125
Number of Grooves	2
Taper Bush Size	2012
Groove Angle	34Â°
Belt Width	16.3mm
Groove Depth	14mm
Material	Cast Iron EN-GJL-200
Weight	1.9 kg
Dimensions	12.5 × 12.5 × 12.5 cm	Overall envelope
Bore Tolerance	H7	Precision transition fit
Certification	ISO 9001:2015	Quality assured

SPB 125-02 V-Belt Pulley (Taper Bore 2012)

The SPB 125-02 V-Belt Pulley is an industrial-grade power transmission component precision-manufactured from high-grade Cast Iron EN-GJL-200 (G20 – UNI 5007). Designed for heavy-duty drive systems, it features a 125mm pitch diameter to operate seamlessly with standard SPB-profile wedge belts. The integrated taper bore design accepts a standard 2012 taper lock bushing, ensuring a secure, flush-fit mounting on the shaft without slipping or rotational timing delays.

Product Features & Specifications

Groove Configuration: 2 precision-machined V-grooves suited for SPB wedge belts.
Pitch Diameter: 125mm effective reference diameter.
Groove Angle: 34Â° standard wedge belt profile.
Shaft Mounting System: Pre-machined Taper Bore designed for a standard 2012 Taper Bushing.
Industrial Build Material: Engineered from heavy-duty Cast Iron EN-GJL-200 (G20 – UNI 5007) for optimal wear resistance and structural balance.
Bushing Readiness: Taper lock bushings are sold separately. Pair seamlessly using our In-House Machining Services.

SPB 125-02 V-Belt Pulley (Taper Bore 2012) Dimensional Diagram

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 18 February 2025
 
 
 Trustindex verifies that the original source of the review is Google. Very helpful, friendly staff.
  
 
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 16 August 2023
 
 
 Trustindex verifies that the original source of the review is Google. Excellent service and customer support.  Professional staff. And really informative.
  
 
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 29 November 2021
 
 
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 16 November 2020
 
 
 Trustindex verifies that the original source of the review is Google. Very very helpful a pleasure to deal with you
  
 
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 25 October 2020
 
 
 Trustindex verifies that the original source of the review is Google. Everytime ive been here they have had what i needed, and good prices, so all good with me