Bonfiglioli 321L Series Planetary Gearbox Reducer Replacement 321L1 321L2 321L3 321L4
321L series Planetary gearbox is widely used in various industries, known for their high efficiency, compact size, high torque to weight ratio, light weight, modular structure that allows for assembly in several stages, high cycling and radial load capacity, low rear clearance, and improved lubrication. Using our state-of-the-art infrastructure, we produce various planetary reduction gearboxes, including top grade alloy steel, cast steel, cast iron, and more. We utilize the latest technology to manufacture all of our products.
321L Series Planetary Gearbox
321L series Planetary gearbox is widely used in various industries, known for their high efficiency, compact size, high torque to weight ratio, light weight, modular structure that allows for assembly in several stages, high cycling and radial load capacity, low rear clearance, and improved lubrication. Using our state-of-the-art infrastructure, we produce various planetary reduction gearboxes, including top grade alloy steel, cast steel, cast iron, and more. We utilize the latest technology to manufacture all of our products.
The rigid structure and optimal performance of these gearboxes make them widely used in machinery and plastic industry, construction and maintenance, Material-handling equipment, conveyor, construction equipment, chemical industry, cement industry, sugar industry, mining industry, marine industry, food industry, ecological industry, textile, agriculture and forestry, transportation.
Technical Parameter
Type |
Rated torque (Nm) |
Rated power (Kw) |
Input speed (Max rpm) |
Ratio range for Inline gear |
Ratio range for Right angle gear |
Ratio range for Combined with worm gear |
Design |
300 |
1000 |
20 |
3000 |
3.3-2700 |
7-800 |
400-9000 |
A |
301 |
1750 |
30 |
3000 |
3.3-2700 |
7-800 |
400-9000 |
A |
303 |
2500 |
40 |
3000 |
3.6-2900 |
9-900 |
400-9000 |
A |
305 |
5000 |
60 |
3000 |
3.6-2900 |
9-900 |
400-9000 |
A |
306 |
8500 |
75 |
2500 |
3.7-2900 |
9-900 |
400-9000 |
A |
307 |
12500 |
100 |
2500 |
3.4-2500 |
13-800 |
400-9000 |
A |
309 |
18500 |
130 |
2500 |
3.4-2500 |
13-800 |
400-9000 |
B |
310 |
25000 |
150 |
2000 |
3.8-2500 |
40-900 |
400-9000 |
B |
311 |
35000 |
180 |
2000 |
4-2200 |
18-800 |
400-9000 |
B |
313 |
50000 |
200 |
2000 |
4-2200 |
18-800 |
400-9000 |
B |
315 |
80000 |
250 |
1500 |
4-2000 |
70-900 |
400-9000 |
B |
316 |
105000 |
270 |
1500 |
4-2000 |
50-600 |
400-9000 |
B |
317 |
150000 |
300 |
1000 |
4-1900 |
70-900 |
400-3000 |
B |
318 |
200000 |
340 |
1000 |
4-1100 |
200-700 |
400-9000 |
B |
319 |
300000 |
380 |
500 |
4-1400 |
300-800 |
1000-9000 |
B |
321 |
450000 |
450 |
500 |
4-1100 |
300-800 |
1000-9000 |
B |
Raleted Planetary Gearboxes
You can click on the image to learn about the corresponding related products
Planetary Feed Mixer Gearbox | Tracked Vehicle | Winch Drive | Wheeled Vehicle Drive |
Slewing Drive | Wind Turbines Drive | Inline Planetary gearbox | Right Angle Planetary gearbox |
Replaceable Planetary Gearbox Models
The 300L series gearbox and 300R series planetary gearboxes can be interchangeable with the following models of Trasmital Bonfiglioli.
The installation and dimensions of the planetary gearboxes are strictly designed according to Italian and American manufacturers, so they are interchangeable with Brevini ED, ET, EQ, EM, EC, and EL Bonfiglioli 300 series, and Dinamicoil RE, RA series. Performance and connection size. They are ideal substitutes for those Italian products.
300L 1 | 300L 2 | 300L 3 | 300L 4 | 300R2 | 300R3 | 300R4 |
301L 1 | 301L 2 | 301L 3 | 301L 4 | 301R2 | 301R3 | 301R4 |
303L 1 | 303L 2 | 303L 3 | 303L 4 | 303R2 | 303R3 | 303R4 |
305L 1 | 305L 2 | 305L 3 | 305L 4 | 305R2 | 305R3 | 305R4 |
306L 1 | 306L 2 | 306L 3 | 306L 4 | 306R2 | 306R3 | 306R4 |
307L 1 | 307L 2 | 307L 3 | 307L 4 | 307R2 | 307R3 | 307R4 |
309L 1 | 309L 2 | 309L 3 | 309L 4 | 309R2 | 309R3 | 309R4 |
310L 1 | 310L 2 | 310L 3 | 310L 4 | 310R2 | 310R3 | 310R4 |
311L 1 | 311L 2 | 311L 3 | 311L 4 | 311R2 | 311R3 | 311R4 |
313L 1 | 313L 2 | 313L 3 | 313L 4 | 313R2 | 313R3 | 313R4 |
315L 1 | 315L 2 | 315L 3 | 315L 4 | 315R3 | 315R4 | |
316L 1 | 316L 2 | 316L 3 | 316L 4 | 316R3 | 316R4 | |
317L 1 | 317L 2 | 317L 3 | 317L 4 | 317R3 | 317R4 | |
318L 1 | 318L 2 | 318L 3 | 318L 4 | 318R4 | ||
319L 1 | 319L 2 | 319L 3 | 319L 4 | 319R4 | ||
321L 1 | 321L 2 | 321L 3 | 321L 4 | 321R4 |
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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