Image for Illustration purposes only. Actual product may vary

Martin 815BS21 1 Type B finished bore sprocket for #815 chain with 21 teeth and 1" bore, keyway, and setscrews. Cast iron construction for 800 series conveyor applications. Outside diameter is 5.120".

Name: Martin 815BS21 1 Type B finished bore sprocket for #815 chain with 21 teeth and 1" bore, keyway, and setscrews. Cast iron construction for 800 series
Brand: Martin Sprocket
Price: 242.9 USD
Availability: InStock
Rating: 5.0 (4 reviews)

MODEL 815BS21 1

BRAND

Martin Sprocket

SKU

265811

WEIGHT

6.200 lb

UOM

each

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

$242.90 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

Material

Cast Iron

Number Of Teeth

Outside Dia

5.120"

Material	Cast Iron	Length thru Bore	1.688 in.
Chain Number	815	Bore Type	Bored To Size
Split	No	Finished Bore Size	1.000 in.
Number of Teeth	21	Key Way Size	.250 X .125 in.
Outside Diameter	5.120 in.	Set Screw Size	5/16 - 18x5/16 in.
Body Type	Arm Body	Face Width	1.688 in.
Drilled For Guide Rings	Yes
Storage Dimension Length	5.120 in.	Storage Dimension Height	1.688 in.
Storage Dimension Width	5.120 in.	Weight	6.20 lbs.

SKU: 251157

21 tooth 12 dp spur gear

The 21 tooth 12 DP gear I bought arrived very quickly. It was exactly what I needed to fix my RV slide out. I had to machine it to fit, but I knew that when I ordered it. VERY SATISFIED!!!

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: 250135

Has the parts

Its hard to find parts these days. When I reorder, they are in stock and shipped quickly.

SKU: 256485

Nice sprocket

sprocket is very nice.

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

Recently Viewed

#151797

Dodge 30A15LR18 TIGEAR-2 worm gear speed reducer with 15:1 ratio, double solid output shafts, 3-piece coupled input, 180TC flange, 3" center distance, cast iron housing, 5 HP input, 4.39 HP output, 117 rpm maximum, 1.375" output shaft diameter, green finish.

Brand	Dodge
Model	30A15LR18

Add to cart to see price

Free Shipping orders over $100

#5770446

JWWINCO 10N25A09K GN300.1-92-M10-25-SW Zinc Die-Cast Adjustable Lever 92mm Long Black

Brand	JW Winco
Model	10N25A09K

$23.30 Each

Free shipping

#1245273

Gates 2/5M1280JB is a 2-band Polyflex JB Belt with a 5M section and 1280 mm length. Designed for high-speed precision drives requiring compact power transmission. Polyurethane construction with aramid tensile cord provides flexibility and durability.

Brand	Gates Rubber
Model	2/5M1280JB

$90.08 Each

Free shipping

#95772942

Hubbell GFPST5266C GFCI straight plug rated 15A at 120V. Provides ground fault protection for portable tools and equipment. Brown nylon housing. UL listed.

Brand	Hubbell Wiring
Model	GFPST5266C

$99.50 Each

Free shipping

#1962589

Champion DT22HEX-7/16-14 HEX SHANK 11/32 COMBO DRIL/TAP

Brand	Champion
Model	DT22HEX-7/16-14

$21.47 Each

Free shipping

#5732965

Allen-Bradley 193-TAC10 Bulletin 193 thermal overload relay, 10A full load current, 3-pole, Class 10 trip curve for standard motor starting. Provides reliable overload protection for motors up to 5 HP at 460V AC, with manual or automatic reset options and ambient temperature compensation.

Brand	Allen Bradley
Model	193-TAC10

$735.00 Each

Free Shipping orders over $100

#2788904

Smith Bearing YR-2-3/4 yoke-type cam follower with 2-3/4" outer diameter. This needle bearing cam follower is designed for high radial loads in track, guide, and cam applications. The sealed design protects against contaminants, extending service life in demanding environments.

Brand	Smith Bearings
Model	YR-2-3/4

$66.93 Each

Free shipping

#5696611

Allen-Bradley 193-A1K4 Bulletin 193 thermal overload relay, 1.0-1.6A adjustable current range, 3-pole, provides precise overload and phase-loss protection for fractional horsepower motors. Direct replacement for Bulletin 100 and 500 series motor starters, offering reliable thermal trip protection in industrial control applications.

Brand	Allen Bradley
Model	193-A1K4

$540.00 Each

Free Shipping orders over $100

Reviews

SKU: 251157

21 tooth 12 dp spur gear

The 21 tooth 12 DP gear I bought arrived very quickly. It was exactly what I needed to fix my RV slide out. I had to machine it to fit, but I knew that when I ordered it. VERY SATISFIED!!!

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: 250135

Has the parts

Its hard to find parts these days. When I reorder, they are in stock and shipped quickly.

SKU: 256485

Nice sprocket

sprocket is very nice.

Martin 815BS21 1 Type B finished bore sprocket for #815 chain with 21 teeth and 1" bore, keyway, and setscrews. Cast iron construction for 800 series conveyor applications. Outside diameter is 5.120".

Return policy