Name: 50BS21HT-1-1/8 PITCH: #50 TEETH: 21HT Bore: 1-1/8 INCH
SKU: 3717068165
Availability: InStock

Bore

1-1/8″

Material

Steel

Number Of Teeth

Outside Dia

4.522″

Pitch

0.625 in.

Teeth

Material	Steel	Length thru Bore	1.000 in.
Chain Number	50	Hub Recessed For Chain	No
Chain Pitch	0.625 in.	Construction Detail	Solid
Number of Chain Rows	1	Bore Type	Bored To Size
Number of Teeth	21	Finished Bore Size	1.125 in.
Outside Diameter	4.522 in.	Key Way Size	1/4×1/8 in.
Pitch Diameter	4.193 in.	Set Screw Size	.313-18X.313 in.
Single Strand Tooth Thickness	0.343 in.	Set Screw Location	(2) Set Screws (1) Over Kw And (1) At 90
Hardened Teeth	Yes	Min Bore Size	1.125 in.
Hub Configuration	B	Max Bore Size	2.000 in.
Hub Outside Diameter	3.000 in.
Storage Dimension Length	4.625 in.	Weight	2.00 lbs.
Storage Dimension Width	4.625 in.	Individually Packaged	Yes
Storage Dimension Height	1.060 in.

SKU: 251697

Good stock

I was pleased with the help of customer service to answer my questions concerning inventory and how quickly I received my product. Thank you.

SKU: 262463

70 tooth 41 chain sprocket

The sprocket arrived on time, fit perfectly and was priced well. MRO SUPPLY is your best choice for hard to find sprockets!

SKU: 263484

Solid product at a great price

Solid product, fair and super fast shipping! MROSUPPLY delivers it all!

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.

When will I be charged for my order?

Do you provide credit terms?

Can I get a discounted price? I am a reseller / government entity.

What is the return/warranty policy?

Can it be shipped today?

Does “Usually ships in 24 hours” mean it’s in stock?

Read full FAQ