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

Add products to your shopping cart

40B30

Image for Illustration purposes only. Actual product may vary

Martin 40B30 Type B Plain Bore roller chain sprocket for #40 chain (1/2" pitch). 30 teeth, minimum plain bore (MPB) for custom machining. Steel construction with hub on one side. Suitable for light to medium duty power transmission applications.

MODEL 40B30

BRAND

Martin Sprocket

SKU

261982

WEIGHT

2.980 lb

UOM

each

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

$59.50 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

30

Outside Dia

5.057"

Pitch

0.500 in.

Material	Steel	Hub Configuration	B
Chain Number	40	Hub Outside Diameter	3.250 in.
Chain Pitch	0.500 in.	Length thru Bore	1.000 in.
Number of Chain Rows	1	Hub Recessed For Chain	No
Number of Teeth	30	Construction Detail	Solid
Outside Diameter	5.057 in.	Bore Type	Stock Bore
Pitch Diameter	4.783 in.	Min Bore Size	0.625 in.
Single Strand Tooth Thickness	0.284 in.	Max Bore Size	2.250 in.
Hardened Teeth	No

Storage Dimension Length	5.250 in.	Weight	2.96 lbs.
Storage Dimension Width	5.250 in.	Individually Packaged	Yes
Storage Dimension Height	1.125 in.

SKU: 249218

Service

qUICK SERVICE ON THIS ORDER

SKU: 250135

Has the parts

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

SKU: 2925122

Martin c5-20t-19-09

Quality product. Fast shipping!

SKU: 261211

Plate gear

Just what I ordered at a reasonable price. Thank you, Dallas

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?

Suggested Items

40A112

#261211

Martin 40A112 Type A (Plain Bore) roller chain sprocket for #40 chain (1/2" pitch). 112 teeth, flat plate design with no hub. Steel construction, outside diameter 18.121".

Brand

Martin Sprocket

Model

40A112

$136.57 Each

Free Shipping orders over $100

40A14

#261214

Martin 40A14 Type A (Plain Bore) roller chain sprocket for #40 chain (1/2 in. pitch) with 14 teeth. Flat plate design with no hub, made of steel. Outside diameter: 2.491". Weight: 0.25 lbs. Compatible with ANSI B29.1 standard chain. Direct replacement

Brand

Martin Sprocket

Model

40A14

$23.33 Each

Free shipping

40A1X10FT

#2182855

Renold Jeffrey 40-1R PREMIUM ROLLER CHAIN 10 RIVETED

Brand

Renold Jeffrey

Model

40A1X10FT

Call for pricing

40A13

#261213

Martin 40A13 Type A (Plain Bore) roller chain sprocket for #40 chain (1/2" pitch). 13 teeth, flat plate design with no hub. Steel construction. Outside diameter: 2.329". Weight: 0.21 lbs.

Brand

Martin Sprocket

Model

40A13

$22.43 Each

Free shipping

40A12

#261212

Martin 40A12 Type A Plain Bore Roller Chain Sprocket for #40 chain (1/2" pitch). 12 teeth, flat plate design with no hub. Steel construction. Outside diameter: 2.166". Weight: 0.17 lbs.

Brand

Martin Sprocket

Model

40A12

$22.06 Each

Free shipping

Recently Viewed

#5906027

205KRR2

Brand	PEER Bearing
Model	205KRR2

$28.12 Each

Free shipping

#2203218

SHCSP205-25MM

PTI SHCSP205-25MM SS Pillow Block Bearing-25mm SHCSP 200 Silver Series - Normal Duty

Brand	PTI
Model	SHCSP205-25MM

$153.92 Each

Free Shipping orders over $100

#256751

D60B42

Martin D60B42 double strand roller chain sprocket for #60 chain (3/4" pitch) with 42 teeth. Type B plain bore design with hub on one side for re-boring. Steel construction, 10.458" outside diameter, 33.08 lb weight. For heavy-duty power transmission

Brand	Martin Sprocket
Model	D60B42

$337.51 Each

Free Shipping orders over $100

#2848224

AHL1530R

Cooper Eaton AHL1530R Receptacle Single 30A 250V 3PH 3P4W H/L Black

Brand	Cooper Wiring
Model	AHL1530R

$69.57 Each

Free shipping

Reviews

SKU: 249218

Service

qUICK SERVICE ON THIS ORDER

SKU: 250135

Has the parts

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

SKU: 2925122

Martin c5-20t-19-09

Quality product. Fast shipping!

SKU: 261211

Plate gear

Just what I ordered at a reasonable price. Thank you, Dallas