Image for Illustration purposes only. Actual product may vary

Martin 40BTB21H hardened tooth Taper-Lock sprocket for #40 roller chain (1/2" pitch). 21 teeth, 3.617" OD, uses 1610 series taper bushing (sold separately). Steel construction for industrial drives requiring extended wear resistance.

Name: Martin 40BTB21H hardened tooth Taper-Lock sprocket for #40 roller chain (1/2" pitch). 21 teeth, 3.617" OD, uses 1610 series taper bushing (sold separa
Brand: Martin Sprocket
Price: 71.81 USD
Availability: InStock
Rating: 5.0 (4 reviews)

MODEL 40BTB21H

BRAND

Martin Sprocket

SKU

261914

WEIGHT

0.800 lb

UOM

each

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

$71.81 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

Suggested Items

#261212

Martin 40A12 Type A plain bore roller chain sprocket for #40 chain, 1/2" pitch, 12 teeth, 2.166" outside diameter. Flat plate design with no hub, steel construction. Suitable for light-duty applications where a simple, economical sprocket is required.

Brand

Martin Sprocket

Model

40A12

$23.37 Each

Free shipping

#261213

Martin 40A13 Type A plain bore roller chain sprocket for #40 chain with 1/2" pitch, 13 teeth, and 2.329" outside diameter. Flat plate design with no hub, steel construction. Suitable for light-duty applications where a simple, economical sprocket is required.

Brand

Martin Sprocket

Model

40A13

$23.74 Each

Free shipping

#2182855

Renold Jeffrey 40-1R PREMIUM ROLLER CHAIN 10 RIVETED

Brand

Renold Jeffrey

Model

40A1X10FT

Call for pricing

#2265612

HKK RC040R1A 40R10 ANSI 40 single strand roller chain, 1/2" pitch, 10 ft reel. Solid bushings and rollers, pin diameter 0.156", plate height 0.457", roller diameter 0.312", roller width 5/16". Average ultimate strength 4,300 lbs, maximum allowable load 940 lbs. ANSI B29.1 compliant, made in Japan.

Brand

HKK Chain

Model

40R10

$8.64 Per Foot

Free shipping

Material

Steel

Number Of Teeth

Outside Dia

3.617"

Pitch

0.500 in.

Material	Steel	Hub Configuration	B
Chain Number	40	Hub Outside Diameter	2.781 in.
Chain Pitch	0.500 in.	Hub Recessed For Chain	No
Number of Chain Rows	1	Construction Detail	Solid
Number of Teeth	21	Bore Type	Bushed TB
Outside Diameter	3.617 in.	Bushing Part Number	1610
Pitch Diameter	3.355 in.	Bushing Min Bore Size	0.500 in.
Single Strand Tooth Thickness	0.284 in.	Bushing Max Bore Size	1.625 in.
Hardened Teeth	Yes

Storage Dimension Length	4.313 in.	Weight	0.85 lbs.
Storage Dimension Width	4.313 in.	Individually Packaged	Yes
Storage Dimension Height	1.060 in.

SKU: 256485

Nice sprocket

sprocket is very nice.

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: 263484

Solid product at a great price

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

SKU: 262256

Works great

Works perfect and made my gokart way faster

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

#6055737

Pramet CNMM 643-NR2:T8430 negative turning insert — CNMM 643 (ISO CNMM 190612E), NR2 heavy roughing chipbreaker, T8430 PVD grade, 3/4 in (19.05 mm) IC, 1/4 in (6.35 mm) thick, 1.2 mm corner radius. Article 7977338.

Brand	Pramet
Model	7977338

$23.47 Each

Free shipping

#6254297

E-Z LOK SK40620 Thread Repair Kit for Metal - Standard - M6-1.0 x 2D

Brand	E-Z Lok
Model	SK40620

$30.28 Each

Free shipping

#2185816

U.S. Seal Mfg. PS-4380 mechanical pump seal, bellows-style elastomeric design for centrifugal pumps. Suitable for pool, spa, HVAC, and industrial applications. Direct replacement for many common pump models.

Brand	U.S. Seal Mfg.
Model	PS-4380

$546.66 Each

Free Shipping orders over $100

#1101078

Hubbell RSLV600PW single-pole slide dimmer rated 600W for magnetic and low-voltage loads at 120V. White finish. Designed for residential and commercial lighting control.

Brand	Hubbell Wiring
Model	RSLV600PW

$67.21 Each

Free shipping

#6418895

M4-0.70 Thin Hex Nut, Coarse, Stainless A2 (304 18-8)

Brand	MROSupply Fasteners
Model	FSTPCK-V71032

$2.05 Per Bx

Free shipping

#6417866

M12-1.50 Hex Nut, Fine, Grade 8 Steel, Plain Finish

Brand	MROSupply Fasteners
Model	FSTPCK-557174

$8.79 Per Bx

Free shipping

Reviews

SKU: 256485

Nice sprocket

sprocket is very nice.

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: 263484

Solid product at a great price

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

SKU: 262256

Works great

Works perfect and made my gokart way faster

Martin 40BTB21H hardened tooth Taper-Lock sprocket for #40 roller chain (1/2" pitch). 21 teeth, 3.617" OD, uses 1610 series taper bushing (sold separately). Steel construction for industrial drives requiring extended wear resistance.

Return policy