Product Description

Remember to see specifics for slewing ring bearing swing bearing turntable bearing:

Flanged swing bearing slewing bearing ring
With out gear
L10.twenty.571.810  L10.20.0544.810  L10.20.0644.810  L10.twenty. 0571 .810  L10.20.0844.810  L10.twenty.0944.810  L10.20.1094.810
L10.30. 0571 .810  L10.30.1055.810  L10.30.1155.810  L10.thirty.1255.810  L10.thirty.1355.810  L10.thirty.1455.810 
External gear
L11.20.571.810  L11.20.0544.810  L11.twenty.0644.810  L11.twenty. 0571 .810  L11.20.0844.810  L11.20.0944.810  L11.twenty.1094.810
L11.thirty. 0571 .810  L11.30.1055.810  L11.30.1155.810  L11.30.1255.810  L11.30.1355.810  L11.30.1455.810  
Inside gear:
L12.20.571.810  L12.twenty.0544.810  L12.20.0644.810  L12.20. 0571 .810  L12.twenty.0844.810  L12.twenty.0944.810  L12.twenty.1094.810
L12.30. 0571 .810  L12.thirty.1055.810  L10.32.1155.810  L12.30.1255.810  L12.30.1355.810  L12.thirty.1455.810 

Solitary row ball slewing bearing ring 4 level get in touch with ball swing bearing
Without gear
K10.twenty.571.810  K10.twenty.0544.810  K10.20.0644.810  K10.twenty. 0571 .810  K10.20.0844.810  K10.20.0944.810  K10.20.1094.810
K10.twenty five.571.810  K10.twenty five.571.810  K10.twenty five. 0571 .810  K10.twenty five.1055.810  K10.25.1155.810  K10.twenty five.1255.810  K10.twenty five.1355.810  K10.twenty five.1455.810 
External equipment
K11.twenty.571.810  K11.20.0544.810  K11.20.0644.810  K11.20. 0571 .810  K11.20.0844.810  K11.twenty.0944.810  K11.20.1094.810
K11.twenty five.571.810  K11.twenty five.571.810  K11.twenty five. 0571 .810  K11.25.1055.810  K11.25.1155.810  K11.twenty five.1255.810  K11.25.1355.810  K11.twenty five.1455.810 
K11.thirty.1060  K11.thirty.1180  K11.thirty.1320  K11.thirty.1500  K11.thirty.1700
K11.40.1400  K11.40.1500  K11.40.1600  V  K11.40.1700  K11.forty.1800  K11.40.1900  K11.40.2120  K11.forty.2360
K11.50.1900  K11.fifty.2130  K11.50.2300  K11.50.2645  K11.50.3000  K11.50.3350
Internal equipment:
K12.twenty.571.810  K12.twenty.0544.810  K12.20.0644.810  K12.twenty. 0571 .810  K12.twenty.0844.810  K12.20.0944.810  K12.20.1094.810
K12.twenty five.571.810  K12.twenty five.571.810  K12.25. 0571 .810  K12.25.1055.810  K12.twenty five.1155.810  K12.twenty five.1255.810  K12.25.1355.810  K12.twenty five.1455.810 
K12.thirty.1060  K12.30.1120  K12.thirty.1400  K12.thirty.1500  K12.30.1600  K12.thirty.1700
K12.forty.1500  K12.40.1700  K12.40.1900  K12.forty.2120  K12.40.2360
K12.50.1800  K12.fifty.2000  K12.50.2120  K12.50.2360  K12.fifty.2650  K12.fifty.3000  K12.fifty.3350

Double row ball slewing bearing ring 8 level get in touch with ball swing bearing
External gear
K21.twenty.0800  K21.20.1000  K21.twenty.1200  K21.twenty.1400
K21.thirty.1300  K21.thirty.1500  K21.30.1700  K21.thirty.1900  K21.thirty.2100  K21.30.2300
K21.40.1900  K21.40.2100  K21.40.2300  K21.40.2500  K21.40.2700  K21.forty.2900  K21.40.3100
K21.50.2700  K21.forty.2900  K21.40.3100  K21.40.3300  K21.forty.3500  K21.40.3700  K21.forty.3900
Inner gear
K22.20.0800  K22.20.1000  K22.twenty.1200  K22.20.1400
K22.thirty.1300  K22.thirty.1500  K22.30.1700  K22.thirty.1900  K22.thirty.2100  K22.30.2300
K22.40.1900  K22.40.2100  K22.40.2300  K22.forty.2500  K22.40.2700  K22.40.2900  K22.40.3100
K22.50.2700  K22.forty.2900  K22.40.3100  K22.forty.3300  K22.40.3500  K22.forty.3700  K22.40.3900

Crossed roller slewing bearing ring swing bearing
Without equipment
X10.fourteen.571.810  X10.fourteen.5414.810  X10.14.0644.810  X10.fourteen. 0571 .810  X10.14.0844.810  X10.14.0944.810  X10.fourteen.1094.810
External gear
X11.fourteen.571.810  X11.14.5414.810  X11.14.0644.810  X11.fourteen. 0571 .810  X11.14.0844.810  X11.fourteen.0944.810  X11.fourteen.1094.810
X11.20.0450  X11.twenty.0560  X11.20.0630  X11.twenty.571  X11.20.571  X11.20.1030  X11.20.1175
X11.25.0765  X11.twenty five.0885  X11.25.0980  X11.twenty five.1077  X11.25.1120  X11.twenty five.1180  X11.twenty five.1250 
X11.28.1030  X11.28.1175  X11.28.1350  X11.28.1400  X11.28.1500  X11.28.1600  X11.28.1700 
X11.36.1560  X11.36.1700  X11.36.1800  X11.36.1900  X11.36.2000  X11.36.2280  X11.36.2445 
X11.45.2240  X11.45.2365  X11.45.2510  X11.forty five.2655  X11.45.2765  X11.45.3000
Internal equipment
X12.14.571.810  X12.14.5414.810  X12.fourteen.0644.810  X12.14. 0571 .810  X12.14.0844.810  X12.14.0944.810  X12.fourteen.1094.810
X12.twenty.0450  X12.20.0560  X12.twenty.0630  X12.twenty.571  X12.twenty.571  X12.20.1030  X12.twenty.1175
X12.25.0765  X12.twenty five.0885  X12.25.0980  X12.25.1077  X12.twenty five.1120  X12.25.1180  X12.twenty five.1250 
X12.28.1030  X12.28.1175  X12.28.1350  X12.28.1400  X12.28.1500  X12.28.1600  X12.28.1700 
X12.36.1560  X12.36.1700  X12.36.1800  X12.36.1900  X12.36.2000  X12.36.2280  X12.36.2445 
X12.45.2240  X12.forty five.2365  X12.forty five.2510  X12.45.2655  X12.forty five.2765  X12.45.3000

Triple row roller slewing bearing ring swing bearing
Exterior equipment
R31.twenty.1250  R31.20.1400  R31.twenty.1600  R31.20.1800  R31.twenty.2000
R31.25.1800  R31.twenty five.2000  R31.twenty five.2240  R31.twenty five.2500  R31.twenty five.2800
R31.32.2240  R31.32.2500  R31.32.2800  R31.32.3150  R31.32.3550  R31.32.4000
R31.40.2800  R31.forty.3150  R31.forty.3550  R31.40.4000  R31.forty.4500
R31.50.3150  R31.fifty.3550  R31.fifty.4000  R31.fifty.4500  R31.fifty.4750
Internal equipment
R32.20.1250  R32.twenty.1400  R32.20.1600  R32.20.1800  R32.20.2000
R32.25.1800  R32.twenty five.2000  R32.25.2240  R32.25.2500  R32.twenty five.2800
R32.32.2240  R32.32.2500  R32.32.2800  R32.32.3150  R32.32.3550  R32.32.4000
R32.forty.2800  R32.40.3150  R32.forty.3550  R32.40.4000  R32.40.4500
R32.50.3150  R32.50.3550  R32.50.4000  R32.fifty.4500  R32.fifty.4750

If you need to have more particulars, please feel free to get in touch with us for designing and producing, Attn: Susan Yang

1. Why pick CZPT slewing bearings
Who we are?
We (HangZhou CZPT particular heavy-duty and massive bearing manufacturing CO., LTD) are a professional
bearing producer in the world, established in 2000, specializing in slewing bearings, slewing drives
and specific bearings, with layout, generation, sales, marketing and services from OD200mm to 8000mm.
For 18 years ordeals, our bearings have flied to a lot more than fifty nations.

Our specialized staff:
We have sixty personnel, with 6 experienced engineers and professional technicists.
All our bearings are made by CAD-packages, made in accordance to customers’ particular requires.
Our technological crew can also validate security & reliability based on the load situation and the energy of raceway
as nicely as gear and bolt connections.

Equipped with innovative producing equipments and take a look at instruments, all bearings are of uniform marking
and packing with outstanding quality, sensible charges and excellent providers.

We have been certificated by ISO9001:2008, and we are also aligned to international good quality expectations
from application consulting and engineering to productions, exams, documentations and dispatch.
We will prepare added take a look at studies if clients want.

2. Framework of CZPT slewing bearings
Primary Types:
One row ball slewing ring bearings
Double row ball slewing ring bearings
Crossed roller slewing ring bearing
A few row cylindrical roller slewing bearings
BALL & ROLLER combined slewing bearings
Flanged slewing ring bearing
Gear Sort:
Slewing bearings with external equipment
Slewing bearings with interior gear
Slew bearings with out equipment
Flange variety:
Slewing bearings with external flange and inner equipment
Slew rings with interior flange and exterior equipment
Slew bearings with external and inside flange

3. About CZPT bearings Positive aspects:
three.1 introduction:we are a manufacturer of slewing bearing considering that 1993, our manufacturing facility occupies a area of 30000square meters with 4 workshop and 1 office building. 
3.2 Highlighted merchandise: slewing bearing and slewing push
3.3 Cash: Present is 1 million RMB, but we are increasing the cash to 10 million RMB
3.4 Personnel: 60
three.5 Certificate: ISO9001:2008, 3.1 certification, CCS certification
All CZPT slew rings can betested by the 3rd get together inspection group if customer needs, this kind of as BV, CCS, SGS, LR, Ab muscles and so on. All swing bearings inspection stories will be supplied to buyers, which includes raw substance certificate, warmth treatment method certification, UT&PT and so on.
three.6 Annual Exportation: 8 million USD
three.7 Guarantee Period of time: All CZPT slewing ring bearings have a warranty interval of eighteen months, for some special doing work condition, guarantee period can be lengthened to 3-4 many years.
three.8 Creation Time: All CZPT slewing ring bearings can be typically delivered timely, usual manufacturing time is 15-50 days based on different slew bearings diameters, sometimes slew rings will be in stock.
3.9 Specialized Manage
All CZPT slewing ring bearings are cast rings with material steel 50Mn or 42CrMo, slewing rings are machined by CNC lathe, slew bearings raceway are quenched by means of medium-frequency hardening with hardness 55-60HRC, turntable bearings are drilled holes by CNC drilling machine, slew gears are machined by hobbing device with gear quenched if necessary, swing bearings then are grinded by grinding machine with higher precision.

four. CZPT Slewing Bearing Packing 
four.1 Fundamental Packing
Bearing surface area is protected with the anti-rust oil first and then wrapped with the plastic movie
And then packed with kraft paper and skilled belts
At previous, with wooden box totally at the outer packing to invoid the rust or the moist
We can depend on the customers  demand to be packed

four.2 CZPT slewing ring bearings can be packed by diverse techniques.
If bearing diameter is less than 2300mm, slewing rings will be normally packed by square plywood situation.
If bearing diameter is more than 2300mm, slewing rings can be packed by square plywood scenario, round plywood case, or metal tripod. Each and every bundle way can be absolutely retained goods safely and securely.

5. CZPT Slewing Bearing Transportation:
Slewing bearings can be provided various supply conditions, such as EXW, FOB, CIF, DDU and so on.
Also, slewing rings can be transported by various transportation methods, by specific (these kinds of as DHL, TNT, UPS, FEDEX and so on), by air, by sea, by truck, by railway and so on.

Deciding on the Correct Ball Bearing for Your Software

When picking a Ball Bearing, there are numerous issues to take into account. These variables contain: the measurement, lubricant sort, existence of corrosive brokers, stray electrical currents, and a lot more. It can be difficult to pick the correct variety, size, and variety of ball bearing for your software. You need to also carefully calculate the loads to determine the right dimension. Below are some suggestions for deciding on the right Ball Bearing for your software.


The solitary-row ball bearing is 1 of the most well-liked sorts of bearings. The interior and outer ring are developed with raceway grooves that are formed marginally bigger than the balls. This variety of bearing has a low torque and can handle higher-speed programs with minimal electricity decline. The radial dimensions of solitary-row ball bearings also differ, so it is possible to discover a single that fits your particular software. Aside from the over-talked about positive aspects, solitary-row ball bearings are also accessible with different grease ranges and are extensively applicable to applications where the area is limited.
Single-row ball bearings are also named angular-get in touch with ball bearings. Because of their one-row design and style, they are not separable and can accommodate a high-velocity, weighty-responsibility software. Single-row angular-speak to ball bearings can only take care of axial load in 1 course, and they should be mounted in pairs for pure radial hundreds. One-row ball bearings are a common kind of rolling bearings and can be employed for a wide range of apps.


The self-aligning ball bearing was invented by Sven Wingquist, a plant engineer for a textile organization in Sweden. Whilst he was dependable for producing generation as successful as possible, he before long realized that the equipment he had in place was not functioning as successfully as it could. Though ball bearings are fantastic for reducing friction, they were not versatile sufficient to compensate for misalignments in the equipment.
Self-aligning ball bearings have two rows of balls and a common sphered raceway. The interior ring is curved and combines the two rows of balls into one particular cage. These bearings can tolerate shaft misalignment and compensate for static angular flaws. They can be utilised in simple woodworking equipment, ventilators, and conveying products. They are frequently the favored option for applications in which shaft alignment is an concern.


A Ceramic ball bearing is a sort of large-efficiency bearing that is obtainable in the two total-ceramic and hybrid varieties. The primary variances between ceramic and metal ball bearings are their design, lubrication, and mobility. Higher-high quality ceramic ball bearings are resilient, and they are ideal for corrosive and higher-temperature purposes. The content employed to generate these bearings assists avoid electrolytic corrosion. They are also perfect for reducing the friction and lubrication demands.
Ceramic balls are harder and much less brittle than steel balls, which offers them a greater degree of rigidity. Ceramics also have a increased hardness, with a hardness of Rc75-80 in comparison to Rc58-sixty four for metal balls. Their large compressive power is around 5 to 7 occasions greater than steel. In addition, they have a very reduced coefficient of friction, which enables them to spin at greater speeds and with much less friction. This boosts their lifespan and longevity, and decreases the strength required to flip cranks.


Unlike standard bearings, metal balls have a reasonably uniform hardness. Carbon steel, for instance, is 2.1% carbon by weight. In accordance to the American Iron and Metal Institute, copper material have to be no far more than .40% and manganese content material need to not be more than 1.sixty five g/cm3. After carbonizing, metal balls undergo a process known as sizing, which improves their roundness geometry and hardness.
The main differences among metal ball bearings and ceramic ball bearings can be traced to their different materials. Ceramic balls are produced from zirconium dioxide or silicon nitride. Silicon nitride is tougher than steel and resists shocks. The outcome is enhanced pace and more time provider lifestyle. Polyoxymethylene acetal (PMMA) bearing balls are identified for their stiffness, toughness, and tolerance, but are not as common as metal ball bearings.


The most well-known varieties of plastic ball bearings are manufactured of polypropylene or PTFE. These bearings are utilised in applications requiring larger chemical resistance. Polypropylene is a structural polymer that offers outstanding physical and chemical homes, including exceptional resistance to organic solvents and degreasing brokers. Its lightweight, reduced dampness absorption rate, and excellent warmth resistance make it an outstanding choice for substantial-temperature purposes. Nonetheless, plastic bearings are not without their negatives, specially when running at very higher temperatures or under heavy hundreds.
When compared to metallic bearings, plastic ball-bearings do not require lubrication. They also are extremely corrosion-resistant, creating them an exceptional option for wash-down purposes. They are also submit-, autoclave-, and gamma sterilizable. Several traditional metal ball-bearings can not take care of the higher temperatures of meals processing or swimming pools. In addition to high temperature apps, plastic ball bearings are resistant to chemicals, like chlorine.


Plastic sliding bearings are molded bearings manufactured of engineering plastic. With self-lubricating modification technological innovation, these bearings can be made by injection molding of plastic beads. They are extensively employed in different industries this sort of as office products, health and automotive tools. In addition to plastic bearings, glass balls are utilized in a selection of other applications, like health-related gear. Glass ball bearings have exceptional corrosion resistance, exceptional mechanical houses, and are electrically insulators.
Plastic ball bearings are manufactured of all-plastic races and cages. These bearings are suitable for programs that are exposed to acids and alkalis. Simply because they are less expensive than glass balls, plastic ball bearings are well-known in chemical-exposed environments. Stainless metal balls are also resistant to warmth and corrosion. But the principal downside of plastic ball bearings is that they are not as powerful as glass balls. So, if fat and noise is your main issue, think about employing plastic balls alternatively.


The international miniature ball bearing industry is predicted to get to US$ 2.39 Billion by 2027, at a CAGR of 7.2%. Growth in the location is attributed to technological advancement and govt initiatives. Nations around the world this kind of as India and China are attracting FDIs and emphasizing the institution of a international production hub. This is boosting the industry for miniature ball bearings. The miniscule ball bearings are manufactured in tiny quantities and are really tiny.
Some manufacturers generate miniature ball bearings in various resources and types. Chrome steel is the most well-liked content for miniature ball bearings due to the fact of its high load ability, lower noise homes, and reduced price. But the cost of stainless metal miniature bearings is reduced, since the sum of steel employed is minimum. Stainless steel miniature bearings are the smallest in dimensions. As a result, you can pick stainless metal mini ball bearings for higher-velocity purposes.

Angular-make contact with

Angular-speak to ball bearings have 3 factors: a cage, interior ring, and balls. Angular-get in touch with ball bearings can support higher axial and radial masses. A variety of style and manufacturing characteristics make angular-make contact with ball bearings ideal for a variety of applications. Some attributes of this bearing sort include a special lubricant, various cage materials, and distinct coatings.
The size of an angular-make contact with ball bearing is determined by the layout models: outer ring width, axial load, and radial load. Depending on the sort of application, an angular-speak to ball bearing may possibly be created in double-row, triple-row, or quadruple-row configurations. Angular contact ball bearings can be categorized in accordance to their style models, which variety from metric to imperial. A larger ABEC quantity means tighter tolerances. To figure out the tolerance equivalent of a particular bearing, seek advice from a standard Angular-speak to ball bearing desk.
Angular-get in touch with ball bearings characteristic high and lower-shoulder configurations. They have two-dimensional races that accommodate axial and radial hundreds. They are offered in self-retaining units with reliable inner and outer rings, and ball and cage assemblies. Cages made of solid and wrought brass are the most popular, but light-weight phenolic cages are also offered. The latter is a greater choice due to the fact it isn’t going to take in oil and has reduce rolling friction.


When it will come to the development of a ball bearing, large-good quality uncooked supplies are a essential part. These supplies not only have an effect on the general high quality of a ball bearing, but also influence the cost. That is why you need to spend close consideration to uncooked content top quality. In addition to that, uncooked resources must be tested a number of instances before the producing procedure to guarantee quality. Go through on for some information about the distinct types of resources utilised to make ball bearings.
Steel is the most frequent material for ball bearings. Most ball bearings have stainless metal balls, which are remarkably corrosion-resistant. They are also resistant to saltwater and alkalis. Even so, stainless steel balls are heavier than plastic kinds, and they are also magnetic, which could be a disadvantage in some programs. If you might be hunting for a steel-free selection, glass balls are the way to go. They’re strong, light-weight, and resistant to a extensive assortment of chemical compounds.

China supplier Eight Point Contact Ball Swing Bearing Geared Slewing Bearing Ring Roller Turntable Bearing     near me factory China supplier Eight Point Contact Ball Swing Bearing Geared Slewing Bearing Ring Roller Turntable Bearing     near me factory

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