SPB 8 Groove Taper Lock Pulley
SPB 8 Groove Pulley Specifications & Dimensions
As a leading China factory manufacturer and B2B OEM supplier, PowerTrans manufactures precision-engineered SPB 8 groove pulley units designed for heavy-duty drive systems. We cast each pulley from high-density gray cast iron in strict compliance with ISO 4183 and DIN 2211 engineering standards, delivering exceptional structural strength, supreme torque absorption, and extended drive belt lifespan in high-power machine setups.
SPB 8 Groove Pulley Key Benefits & Structural Features
- Universal Dual-Duty Grooves: Machined with precise ISO 4183 profiles to accommodate both SPB wedge belts and standard B classical V-belts.
- Engineered Gray Cast Iron: Cast from high-grade gray iron (GG22/GG25) to provide high torsional strength and thermal stability across a 158mm face width.
- Quick Taper Lock Bushing Fit: Machined to accept standard Taper Lock Bushings (TB 2517 to TB 5050) for fast, keyless axial locking onto power shafts.
- Precision Dynamic Balancing: Statically balanced during manufacturing, with dynamic balancing options available to support smooth high-speed rotation up to 40 m/s.
- Protective Anti-Corrosion Finish: Finished with black phosphating or anti-rust primer coating for high atmospheric resistance in harsh working conditions.
- Custom B2B OEM Service: We provide tailored OEM manufacturing including non-standard bore dimensions, specialized dynamic balancing grades, and custom hub profiles based on customer technical drawings.
Typical Industrial Applications
Our SPB 8-groove pulleys deliver reliable heavy-duty performance across various demanding sectors, including heavy mining crushers, industrial ventilation fans, stone machinery, high-pressure fluid pumps, and large agricultural processing plants.
SPB 8 Groove Pulley Dimensions Table
| Type | Grooves | Pitch Dia (P) | Outside Dia (O) | Type | Bush No. | Max Bore (mm) | E | F | J | K | L | M | N |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| SPB 140-08 | 8 | 140 | 147 | 3 | 2517 | 60 | — | 158 | 97 | 56.5 | 45 | 56.5 | — |
| SPB 160-08 | 8 | 160 | 167 | 3 | 3020 | 75 | — | 158 | 117 | 53.5 | 51 | 53.5 | — |
| SPB 170-08 | 8 | 170 | 177 | 3 | 3030 | 75 | — | 158 | 127 | 41 | 76 | 41 | — |
| SPB 180-08 | 8 | 180 | 187 | 3 | 3030 | 75 | — | 158 | 137 | 41 | 76 | 41 | — |
| SPB 190-08 | 8 | 190 | 197 | 3 | 3030 | 75 | — | 158 | 147 | 41 | 76 | 41 | — |
| SPB 200-08 | 8 | 200 | 207 | 3 | 3535 | 90 | — | 158 | 157 | 34.5 | 89 | 34.5 | — |
| SPB 212-08 | 8 | 212 | 219 | 3 | 3535 | 90 | — | 158 | 169 | 34.5 | 89 | 34.5 | — |
| SPB 224-08 | 8 | 224 | 231 | 3 | 3535 | 90 | — | 158 | 181 | 34.5 | 89 | 34.5 | — |
| SPB 236-08 | 8 | 236 | 243 | 3 | 3535 | 90 | — | 158 | 193 | 34.5 | 89 | 34.5 | — |
| SPB 250-08 | 8 | 250 | 257 | 3 | 3535 | 90 | — | 158 | 207 | 34.5 | 89 | 34.5 | — |
| SPB 280-08 | 8 | 280 | 287 | 3 | 3535 | 90 | — | 158 | 237 | 34.5 | 89 | 34.5 | — |
| SPB 300-08 | 8 | 300 | 307 | 6 | 3535 | 90 | 20 | 158 | 257 | 34.5 | 89 | 34.5 | 170 |
| SPB 315-08 | 8 | 315 | 322 | 6 | 3535 | 90 | 18 | 158 | 272 | 34.5 | 89 | 34.5 | 170 |
| SPB 335-08 | 8 | 335 | 342 | 6 | 3535 | 90 | 18 | 158 | 292 | 34.5 | 89 | 34.5 | 170 |
| SPB 355-08 | 8 | 355 | 362 | 6 | 3535 | 90 | 18 | 158 | 312 | 34.5 | 89 | 34.5 | 170 |
| SPB 400-08 | 8 | 400 | 407 | 5 | 4040 | 100 | — | 158 | 357 | 28 | 102 | 28 | 200 |
| SPB 450-08 | 8 | 450 | 457 | 5 | 4040 | 100 | — | 158 | 407 | 28 | 102 | 28 | 200 |
| SPB 500-08 | 8 | 500 | 507 | 5 | 4040 | 100 | — | 158 | 457 | 28 | 102 | 28 | 200 |
| SPB 560-08 | 8 | 560 | 567 | 5 | 4545 | 110 | — | 158 | 517 | 22 | 114 | 22 | 225 |
| SPB 630-08 | 8 | 630 | 637 | 5 | 4545 | 110 | — | 158 | 587 | 22 | 114 | 22 | 225 |
| SPB 710-08 | 8 | 710 | 717 | 5 | 4545 | 110 | — | 158 | 664 | 22 | 114 | 22 | 225 |
| SPB 800-08 | 8 | 800 | 807 | 5 | 4545 | 110 | — | 158 | 754 | 22 | 114 | 22 | 225 |
| SPB 900-08 | 8 | 900 | 907 | 5 | 4545 | 110 | — | 158 | 854 | 22 | 114 | 22 | 225 |
| SPB 1000-08 | 8 | 1000 | 1007 | 5 | 5050 | 125 | — | 158 | 954 | 15.5 | 127 | 15.5 | 245 |
| SPB 1250-08 | 8 | 1250 | 1257 | 5 | 5050 | 125 | — | 158 | 1204 | 15.5 | 127 | 15.5 | 245 |
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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







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