Tag Archives: slewing gear

China Hot selling Heavy Load Slewing Gear Reduction for Man Lift Working Platform with Good quality

Product Description

WH14 heavy load worm drive slewing gear reduction for man lift working platform

1. Our manufacturing standard is according to machinery standard JB/T2300-2011, we also has been found the efficient Quality Management Systems(QMS) of ISO 9001:2015 and GB/T19001-2008. 

2. We devote ourselves to the R &D of customized slewing bearing with high precision,special purpose and requirements.

3. With abundant raw materials and high production efficiency, the company can supply products to customers as quickly as possible and shorten the time for customers to wait for products.

4. Our internal quality control includes first inspection, mutual inspection, in-process quality control and sampling inspection to ensure product quality. The company has complete testing equipment and advanced testing method. 

5. Strong after-sales service team, timely solve customer problems, to provide customers with a variety of services.

Our Services & Strength

1.Raw material from reliable suppliers; 

2.Production process is in strict accordance with ISO9001 Quality Management System . 

3.Strict in-process quality control and 100% finished product inspection before delivery; 

4.Third party product inspections are acceptable CZPT customer request. 

5.Adoption of standardized product design process and APQP, PPAP, FEMA for application analysis.

Production photo

WH14 heavy load slewing drive worm drive turntable on aerial working platform 

Coresun Drive makes the salt spary testing and painting thickness testing for ensuring the quality of corrosion protection.C3 or C4 standard as the customer’s requirement.


It is sincerely looking CZPT to cooperating with you for and providing you the best quality product & service with all of our heart!

Material: 42CrMo
Holding Torque: 48kn.M
Tilting Moment Torque: 72kn.M
Output Torque: 6.8kn.M
Output Speed: 2.1rpm
Gear Ratio: 84:1


Customized Request


Hypoid Bevel Vs Straight Spiral Bevel – What’s the Difference?

Spiral gears come in many different varieties, but there is a fundamental difference between a Hypoid bevel gear and a Straight spiral bevel. This article will describe the differences between the two types of gears and discuss their use. Whether the gears are used in industrial applications or at home, it is vital to understand what each type does and why it is important. Ultimately, your final product will depend on these differences.

Hypoid bevel gears

In automotive use, hypoid bevel gears are used in the differential, which allows the wheels to rotate at different speeds while maintaining the vehicle’s handling. This gearbox assembly consists of a ring gear and pinion mounted on a carrier with other bevel gears. These gears are also widely used in heavy equipment, auxiliary units, and the aviation industry. Listed below are some common applications of hypoid bevel gears.
For automotive applications, hypoid gears are commonly used in rear axles, especially on large trucks. Their distinctive shape allows the driveshaft to be located deeper in the vehicle, thus lowering the center of gravity and minimizing interior disruption. This design makes the hypoid gearset one of the most efficient types of gearboxes on the market. In addition to their superior efficiency, hypoid gears are very easy to maintain, as their mesh is based on sliding action.
The face-hobbed hypoid gears have a characteristic epicycloidal lead curve along their lengthwise axis. The most common grinding method for hypoid gears is the Semi-Completing process, which uses a cup-shaped grinding wheel to replace the lead curve with a circular arc. However, this method has a significant drawback – it produces non-uniform stock removal. Furthermore, the grinding wheel cannot finish all the surface of the tooth.
The advantages of a hypoid gear over a spiral bevel gear include a higher contact ratio and a higher transmission torque. These gears are primarily used in automobile drive systems, where the ratio of a single pair of hypoid gears is the highest. The hypoid gear can be heat-treated to increase durability and reduce friction, making it an ideal choice for applications where speed and efficiency are critical.
The same technique used in spiral bevel gears can also be used for hypoid bevel gears. This machining technique involves two-cut roughing followed by one-cut finishing. The pitch diameter of hypoid gears is up to 2500 mm. It is possible to combine the roughing and finishing operations using the same cutter, but the two-cut machining process is recommended for hypoid gears.
The advantages of hypoid gearing over spiral bevel gears are primarily based on precision. Using a hypoid gear with only three arc minutes of backlash is more efficient than a spiral bevel gear that requires six arc minutes of backlash. This makes hypoid gears a more viable choice in the motion control market. However, some people may argue that hypoid gears are not practical for automobile assemblies.
Hypoid gears have a unique shape – a cone that has teeth that are not parallel. Their pitch surface consists of two surfaces – a conical surface and a line-contacting surface of revolution. An inscribed cone is a common substitute for the line-contact surface of hypoid bevel gears, and it features point-contacts instead of lines. Developed in the early 1920s, hypoid bevel gears are still used in heavy truck drive trains. As they grow in popularity, they are also seeing increasing use in the industrial power transmission and motion control industries.

Straight spiral bevel gears

There are many differences between spiral bevel gears and the traditional, non-spiral types. Spiral bevel gears are always crowned and never conjugated, which limits the distribution of contact stress. The helical shape of the bevel gear is also a factor of design, as is its length. The helical shape has a large number of advantages, however. Listed below are a few of them.
Spiral bevel gears are generally available in pitches ranging from 1.5 to 2500 mm. They are highly efficient and are also available in a wide range of tooth and module combinations. Spiral bevel gears are extremely accurate and durable, and have low helix angles. These properties make them excellent for precision applications. However, some gears are not suitable for all applications. Therefore, you should consider the type of bevel gear you need before purchasing.
Compared to helical gears, straight bevel gears are easier to manufacture. The earliest method used to manufacture these gears was the use of a planer with an indexing head. However, with the development of modern manufacturing processes such as the Revacycle and Coniflex systems, manufacturers have been able to produce these gears more efficiently. Some of these gears are used in windup alarm clocks, washing machines, and screwdrivers. However, they are particularly noisy and are not suitable for automobile use.
A straight bevel gear is the most common type of bevel gear, while a spiral bevel gear has concave teeth. This curved design produces a greater amount of torque and axial thrust than a straight bevel gear. Straight teeth can increase the risk of breaking and overheating equipment and are more prone to breakage. Spiral bevel gears are also more durable and last longer than helical gears.
Spiral and hypoid bevel gears are used for applications with high peripheral speeds and require very low friction. They are recommended for applications where noise levels are essential. Hypoid gears are suitable for applications where they can transmit high torque, although the helical-spiral design is less effective for braking. For this reason, spiral bevel gears and hypoids are generally more expensive. If you are planning to buy a new gear, it is important to know which one will be suitable for the application.
Spiral bevel gears are more expensive than standard bevel gears, and their design is more complex than that of the spiral bevel gear. However, they have the advantage of being simpler to manufacture and are less likely to produce excessive noise and vibration. They also have less teeth to grind, which means that they are not as noisy as the spiral bevel gears. The main benefit of this design is their simplicity, as they can be produced in pairs, which saves money and time.
In most applications, spiral bevel gears have advantages over their straight counterparts. They provide more evenly distributed tooth loads and carry more load without surface fatigue. The spiral angle of the teeth also affects thrust loading. It is possible to make a straight spiral bevel gear with two helical axes, but the difference is the amount of thrust that is applied to each individual tooth. In addition to being stronger, the spiral angle provides the same efficiency as the straight spiral gear.

Hypoid gears

The primary application of hypoid gearboxes is in the automotive industry. They are typically found on the rear axles of passenger cars. The name is derived from the left-hand spiral angle of the pinion and the right-hand spiral angle of the crown. Hypoid gears also benefit from an offset center of gravity, which reduces the interior space of cars. Hypoid gears are also used in heavy trucks and buses, where they can improve fuel efficiency.
The hypoid and spiral bevel gears can be produced by face-hobbing, a process that produces highly accurate and smooth-surfaced parts. This process enables precise flank surfaces and pre-designed ease-off topographies. These processes also enhance the mechanical resistance of the gears by 15 to 20%. Additionally, they can reduce noise and improve mechanical efficiency. In commercial applications, hypoid gears are ideal for ensuring quiet operation.
Conjugated design enables the production of hypoid gearsets with length or profile crowning. Its characteristic makes the gearset insensitive to inaccuracies in the gear housing and load deflections. In addition, crowning allows the manufacturer to adjust the operating displacements to achieve the desired results. These advantages make hypoid gear sets a desirable option for many industries. So, what are the advantages of hypoid gears in spiral gears?
The design of a hypoid gear is similar to that of a conventional bevel gear. Its pitch surfaces are hyperbolic, rather than conical, and the teeth are helical. This configuration also allows the pinion to be larger than an equivalent bevel pinion. The overall design of the hypoid gear allows for large diameter shafts and a large pinion. It can be considered a cross between a bevel gear and a worm drive.
In passenger vehicles, hypoid gears are almost universal. Their smoother operation, increased pinion strength, and reduced weight make them a desirable choice for many vehicle applications. And, a lower vehicle body also lowers the vehicle’s body. These advantages made all major car manufacturers convert to hypoid drive axles. It is worth noting that they are less efficient than their bevel gear counterparts.
The most basic design characteristic of a hypoid gear is that it carries out line contact in the entire area of engagement. In other words, if a pinion and a ring gear rotate with an angular increment, line contact is maintained throughout their entire engagement area. The resulting transmission ratio is equal to the angular increments of the pinion and ring gear. Therefore, hypoid gears are also known as helical gears.

China Hot selling Heavy Load Slewing Gear Reduction for Man Lift Working Platform with Good qualityChina Hot selling Heavy Load Slewing Gear Reduction for Man Lift Working Platform with Good quality
editor by CX 2023-05-29

China 01-0880-00 High Quality Ball Bearing Slewing Ring Bearing Slewing Gear with Hot selling

Solution Description

Production Description for Slewing Bearing, ring bearing, rolling bearings, turntables

Slewing Bearing 01-0880-00 for building machinery, cranes

1 Type solitary row 4 position contact ball slewing bearing, ring bearing, slewing equipment
two Bore diameter 770mm
three Exterior diameter 1571mm
four Peak 82mm
five Material 42CrMo, 50Mn
six Precision P0. P6. P5.
seven Cage/retainer Nylon or aluminum
8 Gear variety External equipment
9 N.W. 159KGS

External Diameter Interior Diameter Height  Weight  Module  Gear No. Design   *
244 one hundred twenty five twenty five five two 120   STD 
318 169 45 fourteen 3 104 STD 
379 210 45 20 4 ninety two STD 
403.5 234 55 twenty five 4.five 88 STD 
440 265 fifty 28 4.5 95 STD 
505 304 56 32 five ninety nine SL
505 342 fifty six 32 5 99 SLBP
529 323 54 forty five 5 103 STD 
535 305 seventy five sixty one eight 65 STD 
589 383 75 sixty two five 116 STD 
640 434 56 44 6 one zero five SL
640 472 fifty six forty six 6 one zero five SLBP
654 390 85 98 8 80 STD 
689 455 seventy four 89 6 112 STD 
700 479 77 eighty five six 114 STD 
742 534 fifty six fifty two 6 122 SL
742 572 fifty six fifty five six 122 SLBP
774 516 eighty two 118 8 ninety four STD 
816 573 90 129 6 132 STD 
840 634 56 sixty 6 138 SL
840 672 56 62 6 138 SLBP
863 679 82 102 6 142 STD 
886 610 85 a hundred and fifty five eight 108 STD 
950 734 56 68 8 117 SL
950 772 56 71 8 117 SLBP
979 717 100 178 10 ninety four STD 
1571 770 eighty two 159 8 one hundred twenty five STD 
1046 834 fifty six seventy six eight 129 21 0571 01 SL
1046 872 56 seventy eight eight 129 31 0571 01 SLBP
1094 833 82 179 eight 134 STD 
1144 869 a hundred 228 ten 111 STD 
1198 984 fifty six 86 eight 148 SL
1198 1571 fifty six 91 8 148 SLBP
1218 930 ninety eight 268 ten 119 STD 
1289.five 984 114 330 10 one hundred twenty five STD 
1358 1045 ninety eight 325 ten 133 STD 
1431 1200 63 176 8 177 STD 
1476 1084 a hundred and ten 503 ten 144 STD 
1604 1206 130 653 10 157 STD 
1605 1270 a hundred and ten 469 12 131 STD 
1727 1500 sixty three 213 eight 214 STD
1836 1433 135 791 sixteen 112 STD 
1929 1565 a hundred and ten 617 14 one hundred thirty five STD 
1975 1750 sixty three 244 8 245 STD
2571 1615 150 1004 14 142 STD 
2140 1720 one hundred thirty 953 sixteen 131 STD 
2165 1950 sixty eight 278 8 269 STD
2267 1815 140 1174 sixteen 139 STD 
2342 2091 70 373 8 290 STD 
2390 1950 one hundred thirty 1111 18 130 STD 
2534 2042 a hundred and forty four 1482 eighteen 138 STD 
2695 2425 sixty three 411 eight 335 STD 
2790 2290 164 1895 eighteen 151 STD 
3116 2600 164 2200 20 152 STD 
3200 2914 a hundred ninety 716 10 318 STD

Why decide on CZPT slewing bearings
A CZPT in slewing bearing subject, abundant expertise, can do layout, create, mounting information
Tiny purchase acknowledged
ISO qualified organization
Variorum types
7*24hours hotline to help you with your cranes
Stringent top quality control program to ensure top quality for slewing bearing

LYHY Slewing Bearing Varieties
LYHY slewing bearings can be divided into the following varieties as for every  their structures:
solitary row 4 stage contact ball slewing bearing,
solitary row cross roller slewing bearing,
double row various ball diameter slewing bearing,
3 row cylindrical roller slewing bearing and roller/ball mixture slewing bearing.
And all these kinds of slewing bearings can be more divided into bearings without having gears, bearings with exterior gears and bearings with interior gears.

In depth description of these sorts slewing bearings

Solitary row 4 point contact ball slewing bearings
     This variety of slewing bearings can help large dynamic loads, transmitting axial and radial forces simultaneously as properly as the resulting tilting times. Programs of this sort of bearings are hoisting, mechanical handling and general mechanical engineering and many others.
One row cross roller slewing bearings
     This type of bearings can support combos of massive radial drive, medium axial power and tilting moment with small or zero clearance. Major apps of this kind of bearings are hoisting and mechanical managing and standard mechanical engineering and so on.
Double row diverse ball diameter slewing bearings
     This kind of bearings can support substantial static loads with straightforward structures. They are mainly utilised in scenarios with variation load situation and direction and constantly rotating. Primary apps of this sort of bearings are deck hoisting, mining and content dealing with and so on.
Triple row cylindrical roller slewing bearings
     This sort of bearings has high load carrying potential. Underneath same masses, this type of bearings has significantly more compact diameters which can make the set up significantly compact, as various kinds of hundreds are supported by various races and rollers. Main programs of this kind of bearings are hoisting, mechanical handling, mining and materials dealing with, offshore engineering and basic mechanical engineering and so on.
Roller/ball blend slewing bearings
     This type of bearings can assist high axial load and low tilting moments. Generally they are huge diameter slewing bearings. Apps of this variety of bearings are mining and resources dealing with and so forth.

About CZPT bearings
one.introduction:we are a manufacturer of slewing bearing considering that 1993, our manufacturing unit occupies a area of 30000square meters with 4 workshop and 1 office developing. 
2. Showcased merchandise: slewing bearing and slewing drive
3. Cash: Recent is 1 million RMB, but we are growing the money to ten million RMB
4. Personnel: forty
5. Certificate: ISO9001:2008, 3.1 certificate, CCS certificate, Science and Technologies Development Award
six. Yearly Exportation: 8million USD
seven. Exported nations: (39)
Asia: India, Pakistan, Iran, Signore, Georgia, Malaysia, Vietnam, Thailand, Philippines, Israel, Korea, UAE, Sri Lanka, Saudi Arabia,
Europe: Turkey, Russia, Spain, Czech Republic, Italy, Poland, Slovakia, Bosnia and Herzegovina, Austria, France, Germany, Switzerland, Finland, Ukraine, United kingdom
America: USA, Canada, Mexico, Brazil, Puerto Rico, Peru, Chile
Africa: South Africa, Egypt
Oceania: Australia

Production Method of CZPT slewing bearings

Quality Handle Procedure of CZPT slewing bearings

LYHY Slewing Bearing Packing 
Bearing surface area is protected with the anti-rust oil 1st and then wrapped with the plastic film
And then packed with kraft paper and skilled belts
At final, with wood box entirely at the outer packing to invoid the rust or the moist
We can count on the customers  demand to be packed

Slewing Ring Bearings——Apps:
Slewing ring bearings are commonly utilized in business and recognized as “the device joints” Here under is the distinct slewing bearing apps
one. Building equipment (e.g. cranes, excavators, loader, scraper)
2. Metallurgical machinery (e.g. for steel plant)
three. Heavy equipment equipment (e.g. mining machinery, concrete equipment)
four. Maritime machinery tools (e.g. vessel, port hoisting machine, port oil transfer equipment, onshore and offshore crane)
five. Gentle equipment equipment (e.g. paper device, plastic, rubber equipment, weave equipment)
six. Wind energy generator
seven. Packing equipment

All CZPT slewing ring bearings can be generally shipped timely, normal creation time is fifteen-fifty times primarily based on distinct slew bearings diameters, sometimes slew rings will be in inventory.
Slewing bearings can be presented diverse supply terms, this sort of as EXW, FOB, CIF, DDU and so on.
Also, slewing rings can be transported by distinct transport techniques, by specific (this kind of as DHL, TNT, UPS, FEDEX and so on), by air, by sea, by truck, by railway and so on.


Make positive that the model is correct and slewing bearing is not damaged throughout transportation.
two.  Check the visual appeal and rotational condition of the bearing, this sort of as rotational precision clearance, rotating versatility, seals situation, lubrication grease etc.
three.  The installation datum airplane and bracket installing plane must be clean, grease, burr, paint and other overseas body ought to be wiped off.

Set up:

1. The screws in the setting up aircraft must be match with the mounting holes in the slewing bearing
2.  The slewing bearing has a gentle zone marked with an “s” on the higher floor, when putting in the bearing, it is critical to make sure that this location is placed in a non-load or rare load zone.
3.  When the bearing is positioned on the supporting frame function it is critical to verify the interface amongst these 2 surfaces. This check out need to be carried out with the insertion of truly feel gauges among the 2 surfaces. If a gap should exist then it is recommended to plane/resurface the successful spot so as to get rid of the gap.
4.  Install slewing bearing with high strength screws, and select proper power bolts. All bolts are necessary to be tightened evenly. The sequence of this tightening procedure is demonstrated in Pic. Welding of bearing is not allowed, in the event of welding any adjacent elements, warmth transfer shall be averted so as to result in the bearing to turn into deformed or modify the hardness.
5.  After installation, the bearing must be rotated to examine for easy procedure and any emission of unusual sounds. If both of the aforementioned are observed, then the bearing need to be modified to remove them. The enamel of the largest operate-out are coated with environmentally friendly paint.


Q: Are LYHY BEARINGS trading firm or maker?
A: CZPT BEARINGS is a professional manufacturer for slewing bearings, slim area bearings, ball bearings and rolling bearings

Q: How do LYHY BEARINGS management high quality of their bearing?
A: LYHY BEARINGS has established strict good quality management programs, all the goods and companies has handed ISO9001-2008 Good quality Certificate and third party this kind of as CCS, LR,Abs,BV

Q: What is the MOQ?
A: MOQ is 1pc, pls message us for detailed details.

Q: How about the bundle for CZPT bearings?
A: Normal Industrial packing in standard issue (Plastic tube+ professional plastic belts+ plywood scenario). Accept layout package when OEM.

Q: How long is the manufacturing time?
A: It just takes about seven-forty days, depends on the product and quantity.

Q: How about the transport?
A: We can prepare the shipment or you may possibly have your own forwarder.

Q: Is sample obtainable?
A: Of course, sample buy is satisfactory.

Q: Can we use our possess Emblem or style on bearings?
A: Sure. OEM is acceptable for LYHY BEARINGS. We can design as for every your demands and use your own Emblem and deal layout.

Standard or Nonstandard: Standard
Sealing Gland: Sealed On Both Sides
Rolling-Element Number: Single-Row
Roller Type: Four Point Contact Ball
Material: 50mn, 42CrMo
Type: No Gear
US$ 710/Piece
1 Piece(Min.Order)

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Customized Request