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SHF SHG Harmonic Reducer Bearings Special Bearing For Robot

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SHF SHG Harmonic Reducer Bearings Special Bearing For Robot

Brand Name : Giant Precision

Model Number : SHF SHG Series

Certification : ISO9001

Place of Origin : China

MOQ : 1 set

Price : To Be Negotiated

Payment Terms : T/T

Supply Ability : 20000 Sets per Month

Delivery Time : 3-4 Weeks

Packaging Details : Carton Box

Model : SHG(SHF) - 14 to SHG(SHF) - 50

Product : SHF SHG Series Harmonic Reducer Bearing

Material : Bearing Steel, Stainless Steel, Plastic / Polymer Materials, Lubricant, Ceramic Materials

d : 38 to 135 mm

D : 70 to 214 mm

Center diameterdm : 44 to 154

Weight : 0.11 to 4.5 kg

Warranty : 1 Year

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SHF SHG Harmonic Reducer Bearings

SHF SHG Harmonic Reducer Bearings Special Bearing For Robot

The outer ring and inner ring of the SHF (SHG) harmonic reducer bearing are of an integral structure, which allows for stable rotation accuracy and torque. This makes it an ideal choice for the SHF (SHG) series harmonic reducer.

 

Harmonic reducer bearings are an integral component of harmonic drive systems, which are specialized gear mechanisms known for high precision, high reduction ratios, and compact design. These systems are commonly used in robotics, aerospace, medical equipment, and other high-tech industries where precise motion control and positioning are essential. The bearing within a harmonic reducer is critical for maintaining the system's performance, as it supports both the unique strain wave gearing structure and the highly accurate, backlash-free motion that harmonic drives provide.

Introduction

Bearings in harmonic drives must meet specific requirements to facilitate the unique motion and structure of the drive. These bearings are typically integrated with the wave generator, where they experience a combination of radial, axial, and tilting loads due to the flexspline’s deformation and the overall system’s high torque output.

Key Types and Configurations:

1. Crossed Roller Bearings: Often found in harmonic drives, these bearings feature rollers that are alternately crossed at right angles to each other. This design provides high stiffness and can support axial, radial, and moment loads within a compact space, making it ideal for applications that need precision and stability, such as robotic joints.

2. Thin Section Bearings: Harmonic reducers often use thin-section bearings, which provide high precision and load support while keeping the overall size of the drive compact. They are also lightweight, which is beneficial in applications like aerospace and medical equipment, where space and weight constraints are strict.

3. High-Precision Ball Bearings: While less common, some harmonic reducers may use high-precision ball bearings, especially in smaller or lighter-duty applications. These bearings can still provide excellent rotation accuracy with lower friction.

Features of Rotary Table Bearings

1. High Load-Bearing Capability: Harmonic reducer bearings handle multiple load types simultaneously, allowing for high torque transmission in compact systems.

2. Minimal Backlash: Due to the unique harmonic drive mechanics and high-precision bearings, backlash is virtually eliminated, which is crucial for applications requiring precise positioning.

3. Compact and Lightweight: Harmonic reducer bearings are designed to support a high reduction ratio in a compact, lightweight package. This helps in reducing the footprint of the machinery while still delivering high torque.

4. High Stiffness and Accuracy: Bearings used in harmonic drives have high stiffness, allowing for accurate, smooth rotation, even under heavy loads. This enhances the reliability and durability of the overall drive system.

5. Reduced Friction and Heat Generation: Properly designed bearings minimize friction, which is critical in high-speed applications to reduce wear and prevent excessive heat buildup.

Specifications

Model Dimension
d d3 D H C B B1 d1 d2
Unit:mm
SHG(SHF)-14 38 36 70 15.1 14.1 14.6 5 57 53
SHG(SHF)-17 47 44.1 80 17 16 16.4 6.5 68.1 64.1
SHG(SHF)-20 54 - 90 18.5 17.5 17.5 - 78 84
SHG(SHF)-25 68 66 110 20.7 18.7 19.7 7.5 94.8 102
SHG(SHF)-32 88 84 142 24.4 23.4 23.4 8 123 132
SHG(SHF)-40 108 106 170 30 29 28.5 9.5 148 158
SHG(SHF)-50 135 129 214 36 34 34.5 11 188 200

 

Model Outer ring mounting hole Inner ring mounting hole Basic load rating Weight
Center diameterdm Mounting hole size1 Mounting hole size2(On the reverseof the seal) Center diameterdm Mounting hole size(On the front the seal) Mounting hole size(On the front the seal) Cr Cor KG
KN KN
SHG(SHF)-14 64 8-φ3.5 2-M3(Thread depth6) 44 12-M3(Thread depth6)   6.1 14 0.11
SHG(SHF)-17 74 12-φ3.5 4-M3(Thread depth6) 54 20-M3(Thread depth6)   9.4 16.1 0.36
SHG(SHF)-20 84 12-φ3.5 4-M3(Thread depth6) 62 16-M3(Thread depth6) 4-M3(Thread depth6) 20.2 31.1 0.44
SHG(SHF)-25 102 12-φ4.5 4-M3(Thread depth6) 77 16-M4(Thread depth8) 4-M3(Thread depth6) 28.5 45.2 0.7
SHG(SHF)-32 132 12-φ5.5 4-M4(Thread depth8) 100 16-M5(Thread depth8) 4-M4(Thread depth8) 47.3 77.3 1.57
SHG(SHF)-40 158 12-φ6.5 6-M4(Thread depth8) 122 16-M6(Thread depth10) 4-M5(Thread depth10) 35.5 71.2 2.4
SHG(SHF)-50 200 12-φ9 6-M5(Thread depth10) 154 16-M8(Thread depth112) 8-M5(Thread depth10) 80.4 151.9 4.5

Drwaings

SHF SHG Harmonic Reducer Bearings Special Bearing For Robot

Application

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Industrial Automation Medical Equipment Aerospace Precision Equipment

 


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