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D12CTB70 (2517) Metric Double Roller Chain Sprocket Taper Bushed

BRAND: Martin Sprocket | MODEL: D12CTB70 | CONDITION: NEW | SKU: 256192
D12CTB70 (2517) Metric Double Roller Chain Sprocket Taper Bushed

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Weight: 59.65 lbs UOM: EA

Additional Description

Technical Specifications

Pitch 19.050 mm
Number Of Teeth 70
Outside Dia 436.360 mm
Material Steel
Pitch Diameter 424.610 mm


A metric taper bushed sprocket is a sprocket where a tapered bushing is bolted into the taper bore that is machined in the sprocket. When installed this bushing is compressed onto the shaft providing a tight grip. Taper bushed sprockets have a tapered bushing bolted into a taper bore with hex head set screws instead of bolts.
Material Steel Width across Teeth/ Rows 30.330 mm
Chain Number 12B-2 Hub Configuration C
Chain Pitch 19.050 mm Hub Outside Diameter 108.000 mm
Number of Chain Rows 2 Construction Detail Welded
Number of Teeth 70 Bore Type Bushed TB
Outside Diameter 436.360 mm Bushing Part Number 2517
Pitch Diameter 424.610 mm Bushing Min Bore Size 12.700 mm
Single Strand Tooth Thickness 10.870 mm Bushing Max Bore Size 63.500 mm
Storage Dimension Length 17.192 in. Weight 71.87 lbs.
Storage Dimension Width 17.192 in. Individually Packaged No
Storage Dimension Height 1.750 in.