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50BS21 1 1/4

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Martin 50BS21 1 1/4 Type B Finished Bore roller chain sprocket for #50 chain (5/8" pitch), 21 teeth, 1-1/4" finished bore with keyway and setscrews, 4.522" outside diameter. Steel construction with single hub. For power transmission drives requiring a standard finished bore sprocket.

MODEL 50BS21 1 1/4

BRAND

Martin Sprocket

SKU

262745

WEIGHT

2.090 lb

UOM

each

Contact supplier for technical support on: 323-728-8117

$72.39 Each

Prices are subject to change

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Typically Ships in: 1 day

Returnable: See conditions

Bore

1-1/4"

Material

Steel

Number Of Teeth

21

Outside Dia

4.522"

Pitch

0.625 in.

Teeth

21

Material	Steel	Hub Outside Diameter	3.000 in.
Chain Number	50	Length thru Bore	1.000 in.
Chain Pitch	0.625 in.	Hub Recessed For Chain	No
Number of Chain Rows	1	Construction Detail	Solid
Number of Teeth	21	Bore Type	Bored To Size
Outside Diameter	4.522 in.	Finished Bore Size	1.250 in.
Pitch Diameter	4.193 in.	Key Way Size	1/4 X 1/8 in.
Single Strand Tooth Thickness	0.343 in.	Set Screw Size	5/16-18X5/16 in.
Hardened Teeth	No	Set Screw Location	(2) Set Screws (1) Over Kw And (1) At 90
Hub Configuration	B
Storage Dimension Length	4.625 in.	Weight	1.90 lbs.
Storage Dimension Width	4.625 in.	Individually Packaged	Yes
Storage Dimension Height	1.060 in.

SKU: 256495

Nice sprocket

sprocket is very nice.

SKU: 249218

Service

qUICK SERVICE ON THIS ORDER

SKU: 256485

Nice sprocket

sprocket is very nice.

SKU: 254588

Electric motor pulley sheave

Good selection of motor belt pulley sheaves. Found the size unit I was looking to fit to my new compressor motor. confirmed with manufacturers rep then ordered. Price was good and MRO ships out ASAP. Free shipping. If you need real soon have to pay for quicker shipping.

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Martin 50BS21 1 1/4 Type B Finished Bore roller chain sprocket for #50 chain (5/8" pitch), 21 teeth, 1-1/4" finished bore with keyway and setscrews, 4.522" outside diameter. Steel construction with single hub. For power transmission drives requiring a standard finished bore sprocket.

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Reviews

SKU: 256495

Nice sprocket

sprocket is very nice.

SKU: 249218

Service

qUICK SERVICE ON THIS ORDER

SKU: 256485

Nice sprocket

sprocket is very nice.

SKU: 254588

Electric motor pulley sheave

Good selection of motor belt pulley sheaves. Found the size unit I was looking to fit to my new compressor motor. confirmed with manufacturers rep then ordered. Price was good and MRO ships out ASAP. Free shipping. If you need real soon have to pay for quicker shipping.