GEBJ...S	 Automatic Transmission Spherical Plain Bearing
GEBJ...S	 Automatic Transmission Spherical Plain Bearing
GEBJ...S	 Automatic Transmission Spherical Plain Bearing

GEBJ...S

The GEBJ Automatic Transmission Spherical Plain Bearing is a specialized mechanical joint designed to facilitate angular deflection and oscillatory motion within automotive transmission systems. This component features a spherical contact surface that allows for multidirectional alignment, effectively compensating for shaft misalignments resulting from structural deformation or assembly tolerances. Manufactured from high-density bearing steel and processed through precision grinding, the GEBJ series is engineered to operate under heavy radial loads and moderate axial loads. The integration of advanced surface treatments or self-lubricating liners ensures consistent friction coefficients throughout the service life of the automatic gearbox assembly. By reducing mechanical stress on surrounding housings, this bearing supports the operational stability of shifting mechanisms and power delivery components.

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GEBJ Automatic Transmission Spherical Plain Bearing

Core Technical Advantages

  • Misalignment Compensation: The spherical geometry enables the bearing to adjust to angular deviations, preventing edge loading and premature fatigue.
  • Load Distribution: Optimized contact area ensures uniform pressure distribution under static and dynamic load conditions.
  • Wear Resistance: Hardened sliding surfaces and specialized phosphate or chrome coatings provide a robust barrier against fretting corrosion and surface galling.
  • Compact Design: High load-carrying capacity relative to its cross-sectional area allows for integration into space-constrained transmission housings.

Key Product Characteristics

Technical Parameter Detailed Specification
Series Designation GEBJ Series (Metric/Imperial)
Material Composition Chrome Steel (GCr15) / Stainless Steel Options
Sliding Contact Surface Steel-on-Steel / Steel-on-PTFE Composite
Operational Temperature -40°C to +150°C (Application Dependent)
Standard Compliance ISO 12240 / DIN Standards
Lubrication Requirement Maintenance-free or Relubricatable Variants

Primary Application Scenarios

  • Automatic Transmission Linkages: Facilitates smooth motion in shift selectors and control rods where pivot points undergo complex movement.
  • Chassis Suspension Systems: Utilized in control arms and tie rods to manage oscillatory stress in automotive steering and suspension.
  • Torque Converters: Supporting internal components that require radial alignment under high-torque transmission phases.
  • Industrial Actuators: Applied in hydraulic or pneumatic cylinder ends within automated manufacturing environments.

Maintenance and Storage Guidelines

Storage Conditions

The GEBJ Spherical Plain Bearing must be stored in its original, unopened anti-corrosion packaging. Maintain a controlled environment with a relative humidity of less than 60% and a temperature range between 15°C and 25°C. Avoid stacking heavy loads directly on the bearing boxes to prevent geometric distortion of the outer rings.

Installation and Usage Precautions

  • Fitment Tolerance: Ensure the housing bore and shaft diameter conform to recommended tolerance classes (e.g., H7/m6) to prevent excessive interference or radial play.
  • Force Application: During installation, pressure should be applied uniformly to the ring being fitted; avoid transmitting mounting forces through the spherical sliding surfaces.
  • Lubrication Compatibility: If using relubricatable types, ensure the grease is compatible with the transmission fluid environment and thermal requirements of the gearbox.
  • Surface Protection: Periodically inspect for seal integrity in harsh environments to prevent the ingress of abrasive contaminants into the sliding interface.

Product parameters

Designation Dimensions (mm) Load Ratings (KN) α· ≈ Weight (kg)
d D B C d1 min r1s min r2s min C CO
GEBK5S 5 16 8 6 7.7 0.3 0.3 3.3 7.8 13 0.009
GEBK6S 6 18 9 6.75 9 0.3 0.3 4.3 9.8 13 0.013
GEBK8S 8 22 12 9 10.4 0.3 0.3 6.8 16 14 0.024
GEBK10S 10 26 14 10.5 12.9 0.3 0.6 10 23 14 0.039
GEBK12S 12 30 16 12 15.4 0.3 0.6 13 31 13 0.058
GEBK14S 14 34 19 13.5 16.9 0.3 0.6 17 40 16 0.084
GEBK16S 16 38 21 15 19.4 0.3 0.6 21 50 15 0.111
GEBK18S 18 42 23 16.5 21.9 0.3 0.6 26 61 15 0.16
GEBK20S 20 46 25 18 24.4 0.3 0.6 31 73 15 0.21
GEBK22S 22 50 28 20 25.8 0.3 0.6 38 88 15 0.26
GEBK25S 25 56 31 22 29.6 0.6 0.6 47 110 15 0.39
GEBK30S 30 66 37 25 34.8 0.6 0.6 63 148 17 0.61
GEBJ5S 5 13 8 6 7.7 0.3 0.3 3.2 9 13 0.007
GEBJ6S 6 16 9 6.75 9 0.3 0.3 4.1 12 13 0.01
GEBJ8S 8 19 12 9 10.4 0.3 0.3 6.5 20 13 0.016
GEBJ10S 10 22 14 10.5 12.9 0.3 0.6 9.6 28 13 0.031
GEBJ12S 12 26 16 12 15.4 0.3 0.6 12 37 13 0.055
GEBJ14S 14 28 19 13.5 16.9 0.3 0.6 16 49 15 0.078
GEBJ16S 16 32 21 15 19.4 0.3 0.6 20 61 15 0.095
GEBJ18S 18 35 23 16.5 21.9 0.3 0.6 25 74 15 0.14
GEBJ20S 20 40 25 18 24.4 0.3 0.6 30 89 15 0.18
GEBJ22S 22 42 28 20 25.8 0.3 0.6 36 108 15 0.21
GEBJ25S 25 47 31 22 29.6 0.6 0.6 45 130 15 0.35
GEBJ30S 30 55 37 25 34.8 0.6 0.6 61 178 15 0.56

about Yinin

Shanghai Yinin Bearing and Transmission Company was founded in 2009 and has over 20 years of experience in the bearing field. We are China GEBJ...S Automatic Transmission Spherical Plain Bearing manufacturers and offer custom GEBJ...S Automatic Transmission Spherical Plain Bearing factory. Since 1999, starting from representing bearing manufacturers in China, we have exported different kinds of bearings. Nowadays we are developing one completed sales and manufacturing bearings group.

Industry Applications

Bearings also play a very important role in agricultural machinery. They are used to support rotatin...

Bearings are widely used in automobiles. They are the key supporting and rotating parts of many movi...

Used for support, height, angle, joint, and rotating parts of medical equipment.

Used for support, rotation, motor and compressor parts of household appliances.

Used for rotation and movement of support and guide parts of automation equipment

In building structures, bearings can be used to connect different structural components.

In the production process of food and beverages, pumps are needed to transport liquids and compresso...

Bearings are used in aircraft and spacecraft engines to support rotating components such as turbines...

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