MARTIN SPROCKET & GEAR 20BTB12H

MARTIN SPROCKET & GEAR 20BTB12H

MARTIN SPROCKET & GEAR

MARTIN SPROCKET & GEAR 20BTB12H

20BTB12H PART NUMBER

Tapered Bushed Sprocket - Metric - Taper Lock Bushing, 20B / 1-1/4 in, 12 Teeth, 1615 Bushing, Steel Material

MARTIN SPROCKET & GEAR - MARTIN SPROCKET & GEAR 20BTB12H

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.

Tolerances meet or exceed ISO standards

Manufactured of high carbon steel

Precise machining and processes ensure consistent finish and high quality

Bores are concentric to pitch line, minimizing run out

Chain rows are parallel and precisely spaced to increase longevity of sprocket and chain

Interchangeable with other manufacturers’ Taper bushings


SPECIFICATIONS

Bushing Type Taper Lock Bushing
Pitch Diameter 122.7 mm
Bore Type Bushed
Caliper Diameter 103.6 mm
Chain Number & Pitch 20B / 1-1/4 in
Hub Style TB
Chain / Sprocket Type Metric Roller Chain
Hub Type B Hub
Bore Diameter 12.7 mm
Overall Width 38.1 mm
Bushing Size 1615
Hub Diameter 70.64 mm
Number Of Teeth 12
Hub Outside Diameter 71 mm
Number Of Strands Across 1
Hub Projection 20 mm
Material Steel
Chain Roller Diameter 19 mm
Number Of Hubs 1
Chain Roller Width 20 mm
Maximum Bore Diameter 38.1 mm
Surface Treatment Protective Coating
Length Through Bore 38.1 mm
Storage Dimension Height 1.5 mm
Bushing Bore Range 1/2 to 1-5/8 in
Storage Dimension Length 5.58 mm
Outside Diameter 143.3 mm
Storage Dimension Width 5.58 mm
Pitch Type Single
Manufacturer Upc Number 697950411378
Hardened Teeth Hardened Teeth
Tooth Width 19 mm
Weight 2.6 lbs
Tooth Thickness 19 mm
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RPM GROUP

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