Image for Illustration purposes only. Actual product may vary

Martin 120BTB20 Taper-Lock bushed sprocket for #120 roller chain, 1-1/2" pitch, 20 teeth, 10.371" outside diameter. Steel construction. Requires 3020 series taper bushing (sold separately). Suitable for heavy-duty power transmission drives.

Name: Martin 120BTB20 Taper-Lock bushed sprocket for #120 roller chain, 1-1/2" pitch, 20 teeth, 10.371" outside diameter. Steel construction. Requires 3020
Brand: Martin Sprocket
Price: 433.25 USD
Availability: InStock
Rating: 5.0 (4 reviews)

MODEL 120BTB20

BRAND

Martin Sprocket

SKU

259097

WEIGHT

15.500 lb

UOM

each

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

$433.25 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

Customers Also Bought

#17879

AMI UCF204 four-bolt flange bearing unit with 20mm bore, set screw locking, and cast iron housing. Wide inner ring chrome steel insert provides normal duty performance for industrial mounted bearing applications.

Brand

AMI Bearings

Model

UCF204

$26.04 Each

Free shipping

#25031

Baldor CECP3581T 1 HP, 1765 RPM, 3-phase severe duty motor with 143TC NEMA frame and Totally Enclosed Fan Cooled (TEFC) enclosure. IEEE 841 rated with NEMA Premium Super-E efficiency, 1.15 service factor, and Class F insulation. Operates on 208-230/460V at 60 Hz. Designed for pumps, fans, and compressors in demanding environments with a 5-year warranty.

Brand

Baldor

Model

CECP3581T

Add to cart to see price

Free Shipping orders over $100

#25661

Baldor VEM3558T 2 HP, 1755 RPM, 3-phase Super-E premium efficient motor with NEMA 145TC frame and Totally Enclosed Fan Cooled (TEFC) enclosure. C-face less base design for pumps, fans, and compressors, operating on 230/460V at 60 Hz with 1.15 service factor and NEMA Design B torque. F1 foot mounting with standard conduit box left.

Brand

Baldor

Model

VEM3558T

Add to cart to see price

Free Shipping orders over $100

#37318

Boston Gear 30229692 ND21B-5/8 steel spur gear with 12 diametral pitch, 21 teeth, and 14.5° pressure angle. Bored to 5/8 inch with keyway. Steel construction for general industrial open gearing applications.

Brand

Boston Gear

Model

ND21B-5/8

$95.73 Each

Free shipping

Material

Steel

Number Of Teeth

Outside Dia

10.371"

Pitch

1.500 in.

Material	Steel	Hub Configuration	B
Chain Number	120	Hub Outside Diameter	5.250 in.
Chain Pitch	1.500 in.	Hub Recessed For Chain	No
Number of Chain Rows	1	Construction Detail	Welded
Number of Teeth	20	Bore Type	Bushed TB
Outside Diameter	10.371 in.	Bushing Part Number	3020
Pitch Diameter	9.589 in.	Bushing Min Bore Size	0.938 in.
Single Strand Tooth Thickness	0.924 in.	Bushing Max Bore Size	3.000 in.
Hardened Teeth	No

Storage Dimension Length	10.371 in.	Weight	16.70 lbs.
Storage Dimension Width	10.371 in.	Individually Packaged	No
Storage Dimension Height	2.000 in.

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: 250135

Has the parts

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

SKU: 256495

Nice sprocket

sprocket is very nice.

SKU: 263484

Solid product at a great price

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

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

#172312

Gates 98040329 1422V420 Multi-Speed Belt with RVS-R section, 42.0" effective length, and cogged construction. Designed for industrial variable-speed drives requiring smooth speed variation and high torque capacity. Features a fiber-loaded EPDM compound for durability and heat resistance.

Brand	Gates Rubber
Model	1422V420

$75.29 Each

Free shipping

#96634134

LS Electric 02155520UL Susol UTS800H molded case circuit breaker, 600A 3-pole, 65kA interrupting capacity at 600VAC. Fixed PR7 trip unit with long-time and instantaneous protection. UL489 listed, lug terminals on load side. Suitable for feeder and branch circuit protection in industrial and commercial applications.

Brand	LS Electric
Model	02155520UL

$9,901.42 Each

Free Shipping orders over $100

#6083778

Dormer Pramet P8053.0X3.0 6814110 ball nosed cylinder rotary burr, 3.00mm cutting diameter, solid carbide (HM) construction for extended tool life. Suitable for deburring and finishing on hardened materials, cast iron, stainless steel, non-ferrous metals, steel, and high-temperature alloys. Cylindrical shank with 3mm connection diameter and h6 tolerance for secure tool holding.

Brand	Dormer Pramet
Model	6814110

$7.62 Each

Free shipping

#2490478

Carter MCNBE-72-SB metric crowned needle cam follower, 72mm roller OD, 29mm roller width, eccentric bushing, sealed, hex socket drive. M24x1.50 thread, 38840 N dynamic load, 65400 N static capacity, 2100 RPM limiting speed. Crowned outer race relieves edge loading and accommodates slight misalignment. Full-complement needle bearing on hardened stud for high radial capacity in metric cam and track applications.

Brand	Carter
Model	MCNBE-72-SB

$233.19 Each

Free Shipping orders over $100

#6083685

Dormer P60112.7X6.0 7059507 rotary burr, cylinder shape without endcut, 12.70mm cutting diameter, 6mm shank diameter, solid carbide (HM) construction. Designed for stainless steel (M) material applications. DORMER standard.

Brand	Dormer Pramet
Model	7059507

$34.39 Each

Free shipping

#5088706

Timken 29507-5965 balanced bearing isolator, a non-contact labyrinth seal that replaces conventional lip seals for demanding industrial environments. Zero wear design requires no shaft finishing and operates effectively up to 400°F. Suitable for high-speed applications, contaminated conditions, electric motors, pumps, and industrial equipment where reliability and long service life are critical.

Brand	Timken
Model	29507-5965

$288.71 Each

Free Shipping orders over $100

#96940529

Ashland B33V1-10 B33 Series 1/3HP Cast Iron Sump Pump

Brand	Ashland
Model	B33V1-10

$241.69 Each

Free Shipping orders over $100

#181117

Gates 90132048 BX48 Tri-Power Cogged V-Belt with BX section, 48" effective length, and cogged construction. Designed for industrial drives requiring higher horsepower capacity and reduced bending resistance. The cogged design improves flexibility and heat dissipation compared to wrapped belts.

Brand	Gates Rubber
Model	BX48

$20.26 Each

Free shipping

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: 250135

Has the parts

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

SKU: 256495

Nice sprocket

sprocket is very nice.

SKU: 263484

Solid product at a great price

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

Martin 120BTB20 Taper-Lock bushed sprocket for #120 roller chain, 1-1/2" pitch, 20 teeth, 10.371" outside diameter. Steel construction. Requires 3020 series taper bushing (sold separately). Suitable for heavy-duty power transmission drives.

Return policy