Stop searching, install MROSupply Smart Check and see our price instantly wherever you browse.

Download Now

Add products to your shopping cart
Know When You’re Overpaying
The MROSupply Chrome Extension instantly alerts you when the part you’re viewing is available for less at MROSupply.
Download Now
We never track your browsing or search history
We never sell your data to third parties
40BS25 1 1/4

Image for Illustration purposes only. Actual product may vary

View in markdown

Martin 40BS25 1 1/4 Type B finished bore roller chain sprocket for #40 chain, 1/2" pitch, 25 teeth, 1-1/4" bore with keyway and setscrews. Steel construction with hub on one side. Outside diameter: 4.258".

MODEL 40BS25 1 1/4

SKU

261522

WEIGHT

2.200 lb

UOM

each

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

$67.04 Each

Prices are subject to change

FREE SHIPPING ON ORDERS OVER $100

Select Quantity

GET A QUOTE

Typically Ships in: 1 day

Returnable: See conditions

Bore

1-1/4"

Material

Steel

Number Of Teeth

25

Outside Dia

4.258"

Pitch

0.500 in.

Teeth

25

MaterialSteelHub Outside Diameter3.250 in.
Chain Number40Length thru Bore1.000 in.
Chain Pitch0.500 in.Hub Recessed For ChainNo
Number of Chain Rows1Construction DetailSolid
Number of Teeth25Bore TypeBored To Size
Outside Diameter4.258 in.Finished Bore Size1.250 in.
Pitch Diameter3.989 in.Key Way Size1/4 X 1/8 in.
Single Strand Tooth Thickness0.284 in.Set Screw Size5/16-18X5/16 in.
Hardened TeethNoSet Screw Location(2) Set Screws (1) Over Kw And (1) At 90
Hub ConfigurationB
Storage Dimension Length4.313 in.2.00 lbs.
Storage Dimension Width4.313 in.Individually PackagedYes
Storage Dimension Height1.060 in.

SKU: 250096

Durable and high quality

I bought a second one to keep as a spare, but the first one still hasn’t shown any signs of wear. Seems like a quality part.

Read more

SKU: 256495

Nice sprocket

sprocket is very nice.

Read more

SKU: 251489

High quality

strong material

Read more

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!

Read more
Recently Viewed
#5962707
Bestorq D450L075 Dual Sided TIMING BELT
Brand Bestorq
Model D450L075
$39.38 Each
Free shipping
#6142723
Siemens 3SU1000-0AB20-0AA0
Brand Siemens Controls
Model 3SU1000-0AB20-0AA0
$10.38 Each
Free shipping
Reviews

SKU: 250096

Durable and high quality

I bought a second one to keep as a spare, but the first one still hasn’t shown any signs of wear. Seems like a quality part.

Read more

SKU: 256495

Nice sprocket

sprocket is very nice.

Read more

SKU: 251489

High quality

strong material

Read more

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!

Read more

Return policy

Item must be unused.

Item must be in it's original package.

Restocking, shipping and handling fees may apply to any return with this manufacturer.

For more information please consult https://www.mrosupply.com/page/returnwarranty-policy/