Description
D28B11 D28B12 D28B13 D28B14 D28B15 D28B16 D28B17
D28B18 D28B19 D28B20 D28B21 D28B22 D28B23 D28B24
D28B25 D28B26 D28B28 D28B30 D28B32

28B-2 Chain Sprockets

28B-2 Chain Sprockets (28B-2 roller chain sprockets) work with metric 28B-2 roller chain. We produce the sprockets according to the standard: ISO, DIN, and BS228 standards. All of our sprockets are precision manufactured from high-quality steel.  Coating The majority of them are black oxide coating, with hardened-teeth on tooth counts 30 or less. Something important to know note is that on tooth counts 31 and up hardened teeth make little to no performance increase, this is why it is not standard.

28B-2 Chain Sprockets

28B-2 B-Hub Sprockets

Sprocket Size Tooth Count Pitch Diameter Stock Bore Max. Bore Hub Diameter (H) Length Thru Bore (L) Weight (kg)
D28B11 11 157.77mm 40mm 73mm 112mm 120mm 10.21
D28B12 12 171.74mm 40mm 84mm 125mm 120mm 13.02
D28B13 13 185.74mm 40mm 84mm 130mm 120mm 16.00
D28B14 14 199.76mm 40mm 84mm 135mm 120mm 19.28
D28B15 15 213.79mm 40mm 87mm 145mm 120mm 22.91
D28B16 16 227.84mm 40mm 96mm 160mm 120mm 26.92
D28B17 17 241.91mm 40mm 108mm 178mm 120mm 30.83
D28B18 18 255.98mm 40mm 114mm 178mm 120mm 34.74
D28B19 19 270.06mm 40mm 114mm 178mm 120mm 38.93
D28B20 20 284.14mm 40mm 133mm 178mm 120mm 44.27
D28B21 21 298.24mm 40mm 133mm 178mm 120mm 45.08
D28B22 22 312.34mm 40mm 133mm 178mm 120mm 48.15
D28B23 23 326.44mm 40mm 133mm 178mm 120mm 51.59
D28B24 24 340.54mm 40mm 133mm 178mm 120mm 55.03
D28B25 25 354.65mm 40mm 133mm 178mm 120mm 58.47
D28B26 26 368.77mm 40mm 133mm 178mm 120mm 64.06
D28B28 28 397.00mm 40mm 133mm 178mm 120mm 76.05
D28B30 30 425.24mm 40mm 133mm 178mm 120mm 89.16
D28B32 32 453.49mm 40mm 133mm 178mm 120mm 103.38

28B-2 C-Hub Sprockets

Sprocket Size Tooth Count Pitch Diameter Stock Bore Max. Bore Hub Diameter (H) Length Thru Bore (L) Weight (kg)
D28B11 11 157.77mm 40mm 73mm 112mm 120mm 10.21
D28B12 12 171.74mm 40mm 84mm 125mm 120mm 13.02
D28B13 13 185.74mm 40mm 84mm 130mm 120mm 16.00
D28B14 14 199.76mm 40mm 84mm 135mm 120mm 19.28
D28B15 15 213.79mm 40mm 87mm 145mm 120mm 22.91
D28B16 16 227.84mm 40mm 96mm 160mm 120mm 26.92
D28B17 17 241.91mm 40mm 108mm 178mm 120mm 30.83
D28B18 18 255.98mm 40mm 114mm 178mm 120mm 34.74
D28B19 19 270.06mm 40mm 114mm 178mm 120mm 38.93
D28B20 20 284.14mm 40mm 133mm 178mm 120mm 44.27
D28B21 21 298.24mm 40mm 133mm 178mm 120mm 45.08
D28B22 22 312.34mm 40mm 133mm 178mm 120mm 48.15
D28B23 23 326.44mm 40mm 133mm 178mm 120mm 51.59
D28B24 24 340.54mm 40mm 133mm 178mm 120mm 55.03
D28B25 25 354.65mm 40mm 133mm 178mm 120mm 58.47
D28B26 26 368.77mm 40mm 133mm 178mm 120mm 64.06
D28B28 28 397.00mm 40mm 133mm 178mm 120mm 76.05
D28B30 30 425.24mm 40mm 133mm 178mm 120mm 89.16
D28B32 32 453.49mm 40mm 133mm 178mm 120mm 103.38
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Packing&Shipping & Delivery

china Packing Shipping Delivery

Packing Shipping Delivery

Chains package: First we will use carton package the chains--------then put in wooden box.
We also can custom color package according to your demand
Company Profile
Company Profile
FAQ

How to choose power transmissions parts and industrial products which meet our requirement

Chains Sprockets Pulleys Timing belt Pulley V-belt Pulley
Sheaves Coupings Bush &Hub Gear& Rack V-Belt
Locking Assembly Pulley Gearbox Reducer Shaft Collar
Rod End Bearing Clevis PTO Chain Guide Belt Guide
Rubber Buffer Chain Tensioner PTO Drive Shafts Universal Joints Roller Chains
Conveyor Chains V-Belts Worm Gearbox Helical Gear Worm
Agricultural Chain CNC Proces Parts Casting Stamping
Powder Metallurgy CNC Proces Parts Casting Stamping

What Products Do you sell ? 

We  are a group of factories, give customer one stop solution of power transmission and industrial products. We are in the position to supply wide range of products, including chains, sprockets, v-belt and v-belt pulleys, timing belt and timing belt pulleys, gears, speed reducers, motors, racks, couplings, and many other parts, like locking assembly, taper bushing, Chain guide, shaft collar, torque limiter, cam clutch, universal joint, motor base and motor slide, rod end, clevis, rubber mount, etc. We make special parts according to drawings and/or samples.

How to choose a gearbox which meets our requirement?
You can refer to our catalogue to choose the gearbox or we can help to choose when you provide
the technical information of required output torque, output speed and motor parameter etc.

What information shall we give before placing a purchase order?
a) Type of the gearbox, ratio, input and output type, input flange, mounting position, and motor informationetc.
b) Housing color.
c) Purchase quantity.
d) Other special requirements.

What industries are your gearboxes being used?
Our gearboxes are widely used in the areas of textile, food processing, beverage, chemical industry,
escalator,automatic storage equipment, metallurgy, tabacco, environmental protection, logistics and etc.

What is the producing process?

Production process including raw material cutting, machine processing, grinding, accessories cleaning, assemble, cleaning, stoving, oil coating, cover pressing, testing, package.

How to control the products quality?

Combining advanced equipment and strict management, we provide high standard and quality bearings for our customers all over the world.

What is the transportation?

-If small quantity , we Suggest to send by express, such as DHL,UPS, TNT FEDEX. If large amount, by air or sea shipping.

Can we design packaging?

-Yes. Default is regular packing, and we can make customer's own packing.

Can you provide OEM service?

-Yes, we work on OEM orders. Which means size, quantity, design, packing solution, etc will depend on your requests; and your logo will be customized on our products.

Can you give me discount on Power Transmissions Parts and Industrial parts?

-Yes, of course. Pls. send me your Email, you'll get more

Q: Are You a trading company or a manufacturer?

A: We Are the factory and have our Own trading company

Q: How Can I get an offer?

A: please send US quotation information: drawings, materials, weight, quantity and requirements, we can accept PDF, ISGS, DWG, STEP file format. If you don't have the drawings, please send us the samples, we can also quote you according to your samples.

Q: What is your minimum order size?

A: it is usually 100 pieces, but a low quantity is acceptable under some special circumstances.

Q: Do you provide samples? Is it free or extra?

A: Yes, we can provide samples free of charge, but we don't pay the freight.

Q: What is the lead time for mass production?

A: honestly, it depends on the number of orders. Normally, if you don't need the tools, deposit them after 30 days or so.

Q: What if the parts don't Work?

A: we can guarantee the quality, but if it happens, please contact us immediately, take some photos, we will check the problem and solve it as soon as possible.

Q: What are your terms of payment?

A: payment is less than US $1000,100% in advance. Payment: $1000,50% wire transfer in advance, balance before shipment,Other Terms of payment are negotiable