Home Power Transmission Sprockets Pilot Bore Sprockets ASA Pilot Bore Sprockets Finer PT 25A1-23PB Pilot Bore Sprocket – ASA 25-1 Simplex – 1/4″ Pitch – 23 Teeth
Finer PT 25A1-23PB Pilot Bore Sprocket - ASA 25-1 Simplex - 1/4" Pitch - 23 Teeth
25A1-23PB

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Finer PT

Finer PT 25A1-23PB Pilot Bore Sprocket – ASA 25-1 Simplex – 1/4″ Pitch – 23 Teeth

Part Number: 25A1-23PB
Inner Diameter (Bore) 8 mm
Outer Diameter 48.6 mm

Finer PT 25A1-23PB pilot bore sprocket for ASA 25-1 simplex roller chain. 23 teeth – 1/4″ (6.35mm) pitch – 46.63mm PCD x 48.6mm OD. 8mm pilot bore – 15mm overall length. Steel with induction hardened teeth.

Qty:
  • 1/4" (6.35mm) pitch - 46.63mm PCD
  • 23 tooth pilot bore sprocket for ASA 25-1 simplex roller chain
  • 8mm pilot bore - machine out to suit your shaft and keyway
  • Engineered in accordance with ISO 9000 standards
  • High quality steel with induction hardened teeth for wear resistance and longer working life
  • Supplied by Finer Power Transmissions
Brand

Finer PT
Product Type

Pilot Bore Sprocket
Standard

ASA
Series

25
Configuration

Simplex
Number of Teeth

23
Pitch

1/4" (6.35 mm)
Pitch Circle Diameter (PCD)

46.63 mm
Outer Diameter

48.6 mm
Inner Diameter (Bore)

8 mm
Bore Type

Pilot Bore
Overall Length (A)

15 mm
Material

Steel
Measurement System

Metric
Cross Reference Roller Chain: 25-1
Features & Benefits 1/4" (6.35mm) pitch - 46.63mm PCD
23 tooth pilot bore sprocket for ASA 25-1 simplex roller chain
8mm pilot bore - machine out to suit your shaft and keyway
Engineered in accordance with ISO 9000 standards
High quality steel with induction hardened teeth for wear resistance and longer working life
Supplied by Finer Power Transmissions

The Finer PT 25A1-23PB is a 23 tooth pilot bore sprocket for ASA 25-1 simplex roller chain – 1/4″ (6.35mm) pitch. It has a 46.63mm pitch circle diameter (PCD) and a 48.6mm outside diameter. It comes with an 8mm pilot bore.

A pilot bore sprocket is supplied with a small starter bore so it can be machined out to suit the shaft – keyway and set screws. Finer sprockets are made from high quality steel with induction hardened teeth – improving resistance to wear and extending working life. All Finer sprockets are engineered in accordance with ISO 9000 standards.

Dimensions:

  • Hub diameter (dm): 38 mm
  • Overall length (A): 15 mm
  • Tooth width (B1): 2.9 mm
  • Tooth radius (r3): 6 mm
  • Radius width (C): 0.6 mm
  • Chain: 1/4″ (6.35 mm) pitch – 3.18 mm inside width – 3.3 mm roller diameter

Please note: this pilot bore sprocket is supplied with an 8mm pilot bore – it is not finish bored.

Downloads:

Supplied by Finer Power Transmissions.

Finer PT Sprockets BS / ASA Interchange Chart
PDF — 26 KB
Download
Finer PT ASA 25 Pilot Bore Sprockets Spec Sheet
PDF — 868 KB
Download

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