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The 29424-E1-XL (also designated as 29424E) is an extreme-capacity spherical roller thrust bearing measuring 120 mm (ID) × 250 mm (OD) × 78 mm (Width). Designed specifically to accommodate very high axial loads while allowing for shaft misalignment, this single-row bearing is essential for heavy-duty vertical shafts and industrial presses. We supply B2B manufacturers globally with highly customizable material options (GCr15 Chrome Steel, Stainless Steel, or Full/Hybrid Ceramics), flexible OEM/ODM services, and reliable payment terms.
The 29424 Spherical Roller Thrust Bearing features asymmetrical barrel rollers arranged at an angle to the bearing axis. These rollers transmit loads from one raceway to the other, making the bearing capable of supporting massive axial (thrust) loads, along with a certain amount of simultaneous radial load. The spherical raceway in the housing washer makes this bearing self-aligning. This crucial feature compensates for initial mounting errors and dynamically absorbs shaft deflection during operation, preventing edge-loading and extending machine life.
Please use the following technical dimensions to ensure proper integration into your heavy machinery designs.
Item | Specification |
|---|---|
Bearing Designation | 29424-E1-XL / 29424 E |
Bore Diameter (d) | 120 mm |
Outer Diameter (D) | 250 mm |
Height/Width (H) | 78 mm |
Dynamic Load Rating (C) | ≈ 1,370 kN |
Static Load Rating (C0) | ≈ 3,450 kN |
Weight | ≈ 17.5 kg - 22 kg (depending on cage material) |
The standard 29424 model is often heavily optimized by manufacturers. The suffix "E" or "E1-XL" indicates an Increased Capacity Design. This means the bearing's internal geometry has been upgraded—often featuring larger rollers or an optimized stamped steel/machined brass cage—to significantly increase its basic dynamic load rating and operational lifespan compared to older, standard designs. Furthermore, these bearings are fully separable, meaning the shaft washer (with the cage and rollers) can be mounted independently from the housing washer for easier assembly.
While standard GCr15 (High Carbon Chromium Steel) is sufficient for most heavy machinery, we offer deep material customization to suit extreme environments:
GCr15 Chrome Steel: Standard for heavy loads, offering excellent fatigue resistance.
Stainless Steel / Carbon Steel: For wet, corrosive, or cost-sensitive, low-load environments.
Ceramic (Si3N4, ZrO2): Full ceramic or hybrid options available for applications requiring electrical insulation, extreme high temperatures, or non-magnetic properties.
Typical Application Industries:
Vertical shafts in heavy industrial pumps and marine propeller thrust blocks.
Extruders, injection molding machines, and heavy-duty presses.
Mining crushers, crane hooks, and rotary drilling tables.
We cater to the exact needs of wholesale distributors and original equipment manufacturers.
Service: Full OEM & ODM services available based on your technical drawings.
Payment Terms: Flexible to support international trade: 100% T/T, 30% T/T deposit (70% against B/L copy or L/C at sight), Western Union, and PayPal.
Q1: Can the 29424-E1-XL bearing handle radial loads?
A: Yes, spherical roller thrust bearings are unique in that they can accommodate heavy axial loads simultaneously with a certain amount of radial load. However, the radial load must not exceed 55% of the simultaneous axial load.
Q2: What type of lubrication is recommended?
A: Due to the sliding friction between the roller ends and the inner ring rib, these bearings are generally oil-lubricated. If operating at lower speeds, standard extreme-pressure (EP) grease can be used.
Q3: Is the cage made of steel or brass?
A: The "E" or "E1" typically denotes an optimized stamped steel cage, which is standard. If your application involves extreme vibrations or shock loads, please request a machined brass cage (often denoted by an "M" or "MB" suffix) during your inquiry.
The 29424 Spherical Roller Thrust Bearing features asymmetrical barrel rollers arranged at an angle to the bearing axis. These rollers transmit loads from one raceway to the other, making the bearing capable of supporting massive axial (thrust) loads, along with a certain amount of simultaneous radial load. The spherical raceway in the housing washer makes this bearing self-aligning. This crucial feature compensates for initial mounting errors and dynamically absorbs shaft deflection during operation, preventing edge-loading and extending machine life.
Please use the following technical dimensions to ensure proper integration into your heavy machinery designs.
Item | Specification |
|---|---|
Bearing Designation | 29424-E1-XL / 29424 E |
Bore Diameter (d) | 120 mm |
Outer Diameter (D) | 250 mm |
Height/Width (H) | 78 mm |
Dynamic Load Rating (C) | ≈ 1,370 kN |
Static Load Rating (C0) | ≈ 3,450 kN |
Weight | ≈ 17.5 kg - 22 kg (depending on cage material) |
The standard 29424 model is often heavily optimized by manufacturers. The suffix "E" or "E1-XL" indicates an Increased Capacity Design. This means the bearing's internal geometry has been upgraded—often featuring larger rollers or an optimized stamped steel/machined brass cage—to significantly increase its basic dynamic load rating and operational lifespan compared to older, standard designs. Furthermore, these bearings are fully separable, meaning the shaft washer (with the cage and rollers) can be mounted independently from the housing washer for easier assembly.
While standard GCr15 (High Carbon Chromium Steel) is sufficient for most heavy machinery, we offer deep material customization to suit extreme environments:
GCr15 Chrome Steel: Standard for heavy loads, offering excellent fatigue resistance.
Stainless Steel / Carbon Steel: For wet, corrosive, or cost-sensitive, low-load environments.
Ceramic (Si3N4, ZrO2): Full ceramic or hybrid options available for applications requiring electrical insulation, extreme high temperatures, or non-magnetic properties.
Typical Application Industries:
Vertical shafts in heavy industrial pumps and marine propeller thrust blocks.
Extruders, injection molding machines, and heavy-duty presses.
Mining crushers, crane hooks, and rotary drilling tables.
We cater to the exact needs of wholesale distributors and original equipment manufacturers.
Service: Full OEM & ODM services available based on your technical drawings.
Payment Terms: Flexible to support international trade: 100% T/T, 30% T/T deposit (70% against B/L copy or L/C at sight), Western Union, and PayPal.
Q1: Can the 29424-E1-XL bearing handle radial loads?
A: Yes, spherical roller thrust bearings are unique in that they can accommodate heavy axial loads simultaneously with a certain amount of radial load. However, the radial load must not exceed 55% of the simultaneous axial load.
Q2: What type of lubrication is recommended?
A: Due to the sliding friction between the roller ends and the inner ring rib, these bearings are generally oil-lubricated. If operating at lower speeds, standard extreme-pressure (EP) grease can be used.
Q3: Is the cage made of steel or brass?
A: The "E" or "E1" typically denotes an optimized stamped steel cage, which is standard. If your application involves extreme vibrations or shock loads, please request a machined brass cage (often denoted by an "M" or "MB" suffix) during your inquiry.
