China Best Sales T Coupling, Sbt Coupling, PU Coupling, Rubber Coupling 90-98 Shore a

Product Description

T Coupling, Sbt Coupling, PU Coupling, Rubber Coupling 90-98 Shore A
T type rubber coupling ,  T type polyurethane coupling , T type PU coupling
1. Material: polyurethane, rubber 
2. Good stability 
3. Easy to maintain 
4. ISO9001-2000 certificate
1. Jaw coupling/ SBT coupling
2. Flange cast iron, Insert Bubber
3. Taper bore universal series
4. Keyway dimensions conform to DIN6885,GB1095-1979 standards.

Item No. OD(mm) ID(mm) Thickness(mm) USD/piece for PU USD/piece for Rubber
T40       US$0.18  
T45 45 20 10 US$0.18  
T50 50     US$0.18  
T55 55 26 10 US$0.18  
T60 60 26 11 US$0.21  
T65 65 30 15 US$0.21  
T70 70 32 16 US$0.21  
T75 75 36 17 US$0.28 US$0.14
T80 80 36 18 US$0.28 US$0.16
T85 85 41 18 US$0.30 US$0.18
T90 90 41 18 US$0.39 US$0.21
T95 95 45 18 US$0.39 US$0.23
T100 100 54 22 US$0.49 US$0.26
T105 105 54 22 US$0.53 US$0.28
T108 108 52 22 US$0.62 US$0.28
T110 110 55 22 US$0.71 US$0.30
T115 115 55 23 US$0.85 US$0.34
T120 120 55 24 US$0.88 US$0.35
T125 125 60 25 US$0.97 US$0.44
T130 130 60 25 US$1.04 US$0.49
T135 135 60 25 US$1.15 US$0.53
T140 140 70 26 US$1.18 US$0.62
T145 145 72 27 US$1.24 US$0.71
T150 150 76 27 US$1.34 US$1.06
T154 154 78 26 US$1.76 US$1.24
T170 170 80 28 US$5.29 US$1.59
T185 185 113 40 US$5.65  
T190 190 0 0 US$6.18  
T210 210 100 36 US$7.06 US$3.18


Others standard size for polyurethane coupling: 
GR14, GR19, GR24, GR28, GR38, GR42, GR48, GR55, GR65, GR75, GR90, GR100, GR110, GR125, GR140, GR160, GR180
MT1, MT2, MT3, MT4, MT5, MT6, MT7, MT8, MT9, MT10, MT11, MT12, MT13
HRC70, HRC90, HRC110, HRC130, HRC150, HRC180, HRC230, HRC280
L35, L50, L70, L75, L90/95, L99/100, L110, L150, L190, L225, L276
FALK-R 10R, 20R, 30R, 40R, 50R, 60R, 70R, 80R

standard size for rubber coupling:
Hb80, Hb95, Hb110, Hb125, Hb140, Hb160, Hb180, Hb200, Hb240, Hb280, Hb315
HRC70, HRC90, HRC110, HRC130, HRC150, HRC180, HRC230, HRC280
L35, L50, L70, L75, L90/95, L99/100, L110, L150, L190, L225
NM50, NM67, NM82, NM97, NM112, NM128, NM148, NM168, NM194, NM214, NM240, NM265
Gear 3J, 4J, 5J, 6J, 7J, 8J, 9J, 10J, 11J
special size build molding according to the buyer’s drawings
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rubber coupling

Maintaining and Preserving Rubber Coupling Performance

To ensure the longevity and optimal performance of rubber couplings, the following best practices should be observed:

  • Regular Inspections: Perform visual inspections for signs of wear, cracks, or damage.
  • Lubrication: Apply appropriate lubricants to minimize friction and extend rubber life.
  • Alignment: Maintain proper alignment between connected shafts to prevent undue stress on the coupling.
  • Temperature Control: Monitor operating temperatures to prevent overheating that can accelerate rubber degradation.
  • Load Monitoring: Avoid overloading the coupling beyond its rated capacity.
  • Vibration Analysis: Monitor vibration levels and address excessive vibrations promptly.
  • Regular Maintenance: Follow manufacturer’s recommendations for maintenance schedules.
  • Replacement: Replace worn or damaged rubber elements as needed.

By adhering to these practices, the performance and service life of rubber couplings can be effectively preserved.

rubber coupling

Industry Standards and Guidelines for Rubber Couplings

There are no specific industry standards or guidelines that exclusively govern the design and application of rubber couplings. However, various general standards and engineering practices apply to flexible couplings, including rubber couplings:

  • ISO 14691: This standard provides guidelines for the installation, use, and maintenance of industrial flexible couplings, which include rubber couplings.
  • AGMA 9005: The American Gear Manufacturers Association (AGMA) standard provides information on selecting lubricants and lubrication methods for flexible couplings, ensuring proper performance and longevity.
  • API 671: This API standard specifies the requirements for special-purpose couplings used in petroleum, chemical, and gas industry services, which can include rubber couplings for specific applications.
  • Manufacturer Recommendations: Many rubber coupling manufacturers provide guidelines, specifications, and installation instructions for their products, helping users select the right coupling and use it correctly.

Since rubber couplings fall under the category of flexible couplings, engineers and designers can follow these broader standards and best practices while considering the specific characteristics and performance requirements of rubber couplings for their applications.

rubber coupling

Role of Rubber Flexibility in Accommodating Misalignment

Rubber couplings are designed with a flexible element, usually made of elastomers, that plays a crucial role in accommodating misalignment between connected shafts. The flexibility of the rubber element allows it to deform and absorb angular, axial, and radial misalignments, providing several benefits:

1. Angular Misalignment: When the input and output shafts are not perfectly aligned in terms of angle, the rubber element can flex and twist, allowing the coupling to transmit torque even when the axes are not parallel.

2. Axial Misalignment: Axial misalignment occurs when the shafts move closer together or farther apart along their axis. The rubber element can compress or extend, adjusting the distance between the shafts without hindering torque transfer.

3. Radial Misalignment: Radial misalignment refers to the offset between the centers of the shafts. The rubber element can bend in response to radial displacement, ensuring that the coupling remains operational while accommodating the offset.

This flexibility not only enables the rubber coupling to handle misalignment but also helps prevent excessive stress on the connected machinery. By absorbing shock loads and distributing forces, the rubber element reduces wear and tear on components and minimizes the risk of premature failure.

In essence, the rubber’s flexibility in the coupling acts as a buffer against misalignment-induced stresses, contributing to smoother operation, improved longevity, and reduced maintenance in mechanical systems.

China Best Sales T Coupling, Sbt Coupling, PU Coupling, Rubber Coupling 90-98 Shore a  China Best Sales T Coupling, Sbt Coupling, PU Coupling, Rubber Coupling 90-98 Shore a
editor by CX 2024-03-06

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Rubber Coupling

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