Image for Illustration purposes only. Actual product may vary

Martin Sprocket S442 steel spur gear with 4 diametral pitch (DP), 42 teeth, and 14.5-degree pressure angle. Features an 11.000" outside diameter (OD) and weighs 55.96 lbs. Stock spur gear for industrial power transmission drives. Compatible only with

Name: Martin Sprocket S442 steel spur gear with 4 diametral pitch (DP), 42 teeth, and 14.5-degree pressure angle. Features an 11.000" outside diameter (OD)
Brand: Martin Sprocket
Price: 1065.28 USD
Availability: InStock
Rating: 5.0 (4 reviews)

MODEL S442

BRAND

Martin Sprocket

SKU

251401

WEIGHT

55.960 lb

UOM

each

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

$1,065.28 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

Steel

Number Of Teeth

Outside Dia

11.000"

Material	Steel	Bore Type	Reborable
Diametral Pitch	4	Min Bore Size	1.250 in.
Pressure Angle	14.500 deg.	Max Bore Size	3.125 in.
Number of Teeth	42	Hub Outside Diameter	5.125 in.
Pitch Diameter	10.500 in.	Hub Projection	1.500 in.
Outside Diameter	11.000 in.	Length thru Bore	3.500 in.
Face Width	2.000 in.

Storage Dimension Width	11.000 in.	Individually Packaged	No
Storage Dimension Height	3.500 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: 251489

High quality

strong material

SKU: 250207

Perfect

Perfect replacement part, Good purchase experience. I would use MRO again.

SKU: 249218

Service

qUICK SERVICE ON THIS ORDER

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

#2066542

The SKF NUP 2210 ECP/C3 is a 50mm bore NUP-type cylindrical roller bearing with C3 clearance. It features an enhanced polyamide cage (ECP) and a double-flanged outer ring with retainer, allowing axial location in both directions. Suitable for high-radial-load applications with moderate to high speeds.

Brand	SKF Bearing
Model	NUP 2210 ECP/C3

$413.54 Each

Free Shipping orders over $100

#6394213

M8-1.25 x 20mm Machine Screw (DIN7985A), Phillips Drive, Pan Head, Coarse, Full Thread, Steel, Zinc CR+3 Finish

Brand	MROSupply Fasteners
Model	FSTPCK-662215

$22.97 Per Bx

Free shipping

#5701834

Allen-Bradley 20AD040A3AYNANC0 is a PowerFlex 70 AC drive rated for 40A continuous output, 240V AC 3-phase input, and 20HP motor control. This Bulletin 20A drive features V/Hz control, an internal brake transistor, and an integrated EMC filter. It is designed for variable speed control of AC motors in industrial applications, providing reliable performance for fans, pumps, and conveyors.

Brand	Allen Bradley
Model	20AD040A3AYNANC0

$15,730.00 Each

#6465520

SMC C96SDB63-200C-M9N C96 ISO 15552 standard pneumatic cylinder with 63mm bore and 200mm stroke. Double acting, tie rod construction with auto switch mounting groove. High accuracy covers and tie rod nuts improve mounting accuracy and extend cylinder life.

Brand	SMC
Model	C96SDB63-200C-M9N

$294.89 Each

Free Shipping orders over $100

#5758842

Coilhose CL31080404 Coilock Male Branch Tee 4 mm x 1/4 BSPT

Brand	Coilhose
Model	CL31080404

$17.67 Each

Free shipping

#2262890

Brook Crompton BA2M001V4 is a 1 HP 3600 RPM AC Inverter Vector Duty Motor on 230/460V 3-phase 60 Hz power. It features an Aluminum IEC 80 frame with Foot mounting and Totally Enclosed Fan Cooled (TEFC) enclosure. Designed for VFD operation across an extended speed range with Class F or H insulation. Manufactured by Brook Crompton, trusted in motor design since 1898.

Brand	Brook Crompton
Model	BA2M001V4

$419.69 Each

Free Shipping orders over $100

#2000361

Jason Industrial 1120-8M-35 HTB Tiger timing belt with 8mm pitch, 1120mm pitch length, and 35mm width. Constructed with neoprene compound and aramid tension cords for high load capacity. Engineered for positive-engagement industrial drives requiring precise synchronization.

Brand	Jason Industrial
Model	1120-8M-35

$77.58 Each

Free shipping

#5701307

Allen-Bradley 20AC8P7A0AYNANC0 is a PowerFlex 70 AC drive rated for 8.7A continuous output, 400V 3-phase input, and 4 kW (5 HP) motor control. This Bulletin 20A drive features V/Hz and sensorless vector control, an internal brake transistor, and an integrated EMC filter. It includes an Ethernet communication interface for network integration and is housed in an IP20 open-type chassis for panel mounting.

Brand	Allen Bradley
Model	20AC8P7A0AYNANC0

$3,257.98 Each

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: 251489

High quality

strong material

SKU: 250207

Perfect

Perfect replacement part, Good purchase experience. I would use MRO again.

SKU: 249218

Service

qUICK SERVICE ON THIS ORDER

Martin Sprocket S442 steel spur gear with 4 diametral pitch (DP), 42 teeth, and 14.5-degree pressure angle. Features an 11.000" outside diameter (OD) and weighs 55.96 lbs. Stock spur gear for industrial power transmission drives. Compatible only with

Return policy