57 Tooth 12B Triplex Pilot Bore Sprocket for 3/4 inch Pitch Chain

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Equivalent to: PT11057 12B3 PS63-057

57 Tooth 12B Triplex Pilot Bore Sprocket for 3/4 inch Pitch Chain

SKU: PBS-T-12B-57

£284.81 ex VAT

Price Breaks

Quantity	Prices
5+	£253.48 each
9+	£239.24 each
19+	£236.39 each
29+	£233.55 each
49+	£230.70 each
74+	£227.85 each
99+	£213.61 each

5+ £253.48 each
9+ £239.24 each
19+ £236.39 eachClick Here…

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Pilot Bore Sprockets: Small sprockets are usually manufactured from C45 Steel and the large sprockets maybe supplied in G22 Cast Iron. These pilot bore sprockets allow the end user to machine the bore to suit their own application. The bore would then require a key way to be broached and threaded holes made through the boss to secure the sprocket to the shaft. The nominal pilot bore is purely to permit tooling to be used to machine the bore to size and should not be taken as a shaft sized finish.
Available in a comprehensive range of British Standard Simplex, Duplex and Triplex sizes. Taper Bore variants available.
Benefits: Universal on the shelf stock - can be machined to suit the application. Durable and Hard wearing.

Brand / Quality: Major Brand - High Quality
Number of Teeth: 57
Chain Pitch: 19.05mm = 0.75 (3/4) inch
Item Type: BS European Standard
Keysteel

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Triplex Chain Links?

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Triplex Chain

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Tooth Radius r3	=	19mm
Chamfer c	=	2mm
Tooth Width b1	=	10.8mm
Tooth Width B1	=	11.1mm
Tooth Width B2	=	30.3mm
Tooth Width B3	=	49.8mm
Pitch	=	19.05mm
Width Between Inner	=	11.68mm
Roller Diameter	=	12.07mm
No. of Teeth	=	57
Outer Diameter de	=	355.4mm
Pitch Diameter dp	=	345.81mm
Hub Diameter dm	=	140mm
Length Through Bore A	=	70mm
Stock Bore D1	=	40mm