The Ball-Roller Combination Slewing Ring is a versatile and highly efficient type of rotary bearing that combines the characteristics of both ball and roller bearings. It is designed to handle simultaneously both axial and radial loads, as well as moment loads, making it ideal for heavy-duty applications where high load-carrying capacity, precision, and stability are crucial. The main uses of Ball-Roller Combination Slewing Rings include construction machinery, wind turbines, industrial cranes, and various heavy equipment that necessitate smooth and reliable rotation.
Outer diameter: 3772mm~6287mm
Roller diameter: 32mm~45mm
Ring material: 42CrMo / 50Mn/ C45
Ball/roller material: GCr15
Quenching hardness of raceway: HRC55-62
The Ball-Roller Combination Slewing Ring is a versatile and highly efficient type of rotary bearing that combines the characteristics of both ball and roller bearings. It is designed to handle simultaneously both axial and radial loads, as well as moment loads, making it ideal for heavy-duty applications where high load-carrying capacity, precision, and stability are crucial. This kind of slewing ring bearing features long lifespan and large outer diameter and mainly used in applications where eccentricity ratio e(e=2 xMx 1000/Fa x Dpw) is smaller than 1.2.The main uses of Ball-Roller Combination Slewing Rings include construction machinery, wind turbines, industrial cranes, and various heavy equipment that necessitate smooth and reliable rotation.
ZENITH-DRIVE offers several types of Ball-Roller Combination Slewing Rings in order to accommodate diverse use cases:
Single-row Ball-Roller Combination Slewing Rings: Designed for applications with moderate to high load capacities, these Slewing Rings feature a single row of alternating balls and rollers for increased load handling capability.
Double-row Ball-Roller Combination Slewing Rings: Featuring two rows of balls and rollers, these Slewing Rings are ideal for applications requiring even higher load capacities.
Custom Ball-Roller Combination Slewing Rings: ZENITH-DRIVE also offers tailored solutions to cater to specific requirements of unique heavy-duty applications.
ZENITH-DRIVE's Ball-Roller Combination Slewing Rings boast the following key features:
High load-carrying capacity: Combining balls and rollers optimizes the load distribution, allowing for higher load capacities.
Precision and stability: These Slewing Rings provide increased accuracy and stability, making them perfect for applications requiring smooth and reliable rotation.
Durability: Constructed from high-quality materials and robust engineering, the Ball-Roller Combination Slewing Rings are built to endure tough conditions and provide an extended service life.
Customization: ZENITH-DRIVE offers tailored solutions to meet the demands of a diverse range of applications.
The versatility of ZENITH-DRIVE's Ball-Roller Combination Slewing Rings allows them to cater to various applications, such as:
Construction machinery: Excavators, cranes, and material handling equipment.
Wind turbines: Slewing Rings enable smooth and reliable rotation for wind energy generation systems.
Industrial cranes: Overhead, gantry, and jib cranes.
Other heavy equipment: Applications that require high load capacity, precision, and stability.
The cost of a Ball-Roller Combination Slewing Ring depends on factors such as material, size, and type of application. To obtain a precise quote, please contact ZENITH-DRIVE directly with your individual requirements.
As a leading Slew Bearing manufacturer, ZENITH-DRIVE takes pride in providing high-quality and customized Ball-Roller Combination Slewing Rings to meet your specific needs. With a commitment to excellence, ZENITH-DRIVE ensures its customers receive exceptional products at competitive prices. Contact ZENITH-DRIVE today to explore how their Ball-Roller Combination Slewing Rings can revolutionize your heavy-duty applications.
Our committed team of professionals is readily available to offer guidance and proficiency throughout the entire process. Regardless of whether you are purchasing from our standard selection of products or seeking a customized solution for your ongoing project, our experts are prepared to assist you at each stage in the journey.
Ball-roller combination slewing ring
Designations |
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| Structure dimensions | Gear | Weight | ||||||||||
D | d | T | D₁ | d₁ | n | dn | M | n₁ | H | h | b | m | Z | ||
221.32.3550 | 3772.8 | 3358 | 159 | 3638 | 3418 | 76 | 30 | 27 | 10 | 16 | 143 | 50 | 109 | 232 | 2028 |
221.32.3750 | 3980.8 | 3558 | 159 | 3846 | 3618 | 80 | 30 | 27 | 10 | 143 | 50 | 109 | 16 | 246 | 2186 |
221.32.4000 | 4220.8 | 3808 | 159 | 4086 | 3868 | 84 | 30 | 27 | 12 | 143 | 50 | 109 | 16 | 261 | 2278 |
221.32.4250 | 4476.8 | 4058 | 159 | 4342 | 4118 | 90 | 30 | 27 | 12 | 143 | 50 | 109 | 16 | 276 | 2455 |
221.36.4000 | 4244.4 | 3792 | 175 | 4095 | 3858 | 76 | P9 | 30 | 12 | 159 | 50 | 125 | 18 | 232 | 2792 |
211.36.4250 | 4496.4 | 4042 | 175 | 4347 | 4108 | 80 | 33 | 30 | 12 | 159 | 50 | 125 | 18 | 247 | 2981 |
221.36.4500 | 4748.4 | 4292 | 175 | 4599 | 4358 | 84 | 33 | 30 | 14 | 159 | 50 | 125 | 18 | 261 | 3173 |
221.36.4750 | 5000.4 | 4542 | 175 | 4851 | 4608 | 90 | 33 | 30 | 14 | 159 | 50 | 125 | 18 | 275 | 3363 |
221.40.4500 | 4776 | 4276 | 183 | 4612 | 4348 | 72 | 36 | 33 | 14 | 167 | 50 | 133 | 20 | 236 | 3673 |
221.40.4750 | 5016 | 4526 | 183 | 4852 | 4598 | 76 | 36 | 33 | 14 | 167 | 50 | 133 | 20 | 248 | 3796 |
221.40.5000 | 5276 | 4776 | 183 | 5112 | 4848 | 80 | 36 | 33 | 16 | 167 | 50 | 133 | 20 | 261 | 4082 |
221.40.5300 | 5576 | 5076 | 183 | 5412 | 5148 | 84 | 36 | 33 | 16 | 167 | 50 | 133 | 20 | 276 | 4329 |
221.45.5000 | 5297.6 | 4747 | 203 | 5117 | 4825 | 76 | 39 | 36 | 16 | 187 | 50 | 153 | 22 | 238 | 5201 |
221.45.5300 | 5605.6 | 5047 | 203 | 5425 | 5125 | 80 | 39 | 36 | 16 | 187 | 50 | 153 | 22 | 252 | 5602 |
221.45.5600 | 5891.6 | 5347 | 203 | 5711 | 5425 | 84 | 39 | 36 | 18 | 187 | 50 | 153 | 22 | 265 | 5764 |
221.45.6000 | 6287.6 | 5747 | 203 | 6107 | 5825 | 90 | 39 | 36 | 18 | 187 | 50 | 153 | 22 | 282 | 6129 |