71624 XCMG GR2605 motor grader bearing

71624 XCMG GR2605 motor grader bearing

The 71624 bearing is a specialized rolling bearing for construction machinery. It is primarily used for supporting and reducing friction in rotating components, bearing combined radial and axial loads, reducing operational friction, and ensuring the coaxiality and smooth rotation of transmission components. It is a key fundamental component of equipment transmission and travel systems.

Technical Parameters

Model: 71624
Type: Angular contact ball bearing / Tapered roller bearing
Material: High carbon chromium bearing steel, heat-treated and hardened
Precision Grade: Conventional precision grade, suitable for construction machinery operating conditions
Load Type: Can withstand radial load + combined axial load
Operating Temperature: -30℃～120℃
Lubrication Method: Grease lubrication

Suitable Scenarios

Suitable for use in the gearboxes, drive axles, wheel assemblies, drive shafts, balance boxes, sprocket shafts, etc., of construction machinery such as loaders, graders, and road rollers; used for supporting rotating shaft systems, reducing friction loss, and ensuring smooth, jam-free operation.

Common Faults and Troubleshooting

Abnormal operating noise and overheating: Insufficient bearing lubrication, raceway peeling, or cage damage. Replace the 71624 bearing and refill with grease.

Excessive axial/radial clearance: Bearing wear or fatigue loosening. Replace the bearing directly and check the shaft diameter and housing dimensions.

Seizing or inability to rotate: Raceway jamming, foreign object ingress, or bearing corrosion. Clean the cavity and replace the bearing.

Premature damage: Installation misalignment, overload, or seal failure. Correct coaxiality and improve sealing and lubrication conditions.

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1 70812 Bolt M12×1.5×45
2 3239223 Locking Plate
3 3233683 Locking Disc
4 3267253 Sprocket
5 71624 Bearing
6 3114333 Washer
7 71355 Seal
8 3349543 Support Body
9 70573 Bearing
10 70386 Bolt M18×1.5×50
11 3349583 Output Shaft
12 71860 Pins
13 71860 Pin
14 3349513 Gear Ring
15 3349553 Planetary Shaft
16 3127443 Flat Washer
17 3127443 Roller Assembly 18 3132833 Spacer
19 3132823 Planetary Gear
20 3349573 Planetary Carrier
22 70201 Retaining Ring

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