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50BTB21H PITCH: #50 TEETH: 21 HardENED FOR Bushing: 1610

BRAND: Martin Sprocket | MODEL: 50BTB21H | CONDITION: NEW | SKU: 263235
50BTB21H PITCH: #50 TEETH: 21 HardENED FOR Bushing: 1610

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Weight: 1.34 lbs UOM: EA

Additional Description

Technical Specifications

Number Of Teeth 21
Outside Dia 4.522"
Material Steel
Pitch 0.625 in.


A hardened 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 Single Strand Tooth Thickness 0.343 in.
Chain Number 50 Hardened Teeth Yes
Chain Pitch 0.625 in. Hub Configuration B
Number of Chain Rows 1 Hub Outside Diameter 3.000 in.
Number of Teeth 21 Hub Recessed For Chain Clearance No
Outside Diameter 4.522 in. Construction Detail Solid
Pitch Diameter 4.193 in. Bore Type Bushed TB
Storage Dimension Length 4.625 in. Weight 1.75 lbs.
Storage Dimension Width 4.625 in. Individually Packaged Yes
Storage Dimension Height 1.060 in.